Nume: Naoki Tajima
Å¢ara: Japonia
Data naşterii: 21.09.00, 25 Vârsta
Clasament ATP: 881
TOP poziţie în clasament: 604 (20.01.20, 38 puncte)
Puncte: 16
Premii: 75588 $
Total meciuri: 355
Victorii: 178
Succes: 50.14 %
Å¢ara: Japonia
Data naşterii: 21.09.00, 25 Vârsta
Clasament ATP: 881
TOP poziţie în clasament: 604 (20.01.20, 38 puncte)
Puncte: 16
Premii: 75588 $
Total meciuri: 355
Victorii: 178
Succes: 50.14 %
| an | sumar | Hard | Zgura | In. Hard | Carpet | Iarbă | Acryl |
| 2026 | 3/2 | 3/2 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2025 | 34/25 | 29/20 | 5/5 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2024 | 28/27 | 25/19 | 2/4 | 0/2 | 0/0 | 1/2 | 0/0 |
| 2023 | 32/25 | 26/19 | 6/6 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2022 | 6/20 | 6/18 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2021 | 21/24 | 10/14 | 8/8 | 3/2 | 0/0 | 0/0 | 0/0 |
| 2020 | 10/12 | 7/8 | 3/2 | 0/0 | 0/0 | 0/2 | 0/0 |
| 2019 | 30/24 | 18/13 | 9/9 | 3/2 | 0/0 | 0/0 | 0/0 |
| 2018 | 6/10 | 4/6 | 1/1 | 1/1 | 0/1 | 0/1 | 0/0 |
| 2017 | 8/7 | 5/4 | 1/1 | 0/0 | 0/1 | 2/1 | 0/0 |
| 2016 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| ÃŽN TOTAL | 178/177 | 133/124 | 35/38 | 7/7 | 0/2 | 3/6 | 0/0 |
| succes % | 50.14 % | 51.75 % | 47.95 % | 50 % | 0 % | 33.33 % | 0 % |
Naoki Tajima / nejucate / ultimele
| nu a fost găsit nici un meci |
Naoki Tajima form / suprafaţa: Hard
Naoki Tajima / suprafaţa: Hard
| 28.05.26 | a 2-a rundă | Sanhui Shin | Naoki Tajima | 6-2, 6-4 |  | detaliu meci |  M15 Gimcheon | Hard |
| 27.05.26 | 1-a rundă | Naoki Tajima | Dongjae Kim | 6-3, 4-6, 6-2 |  | detaliu meci | ||
| 25.05.26 | 2-a rundă de calif. | Naoki Tajima | Jeong Woo Kim | 6-3, 6-3 | | detaliu meci | ||
| 25.05.26 | Calificare | Naoki Tajima | Chikaya Sato | 6-2, 6-2 | | detaliu meci | ||
| 16.03.26 | 1-a rundă de calif. | Jumpei Yamasaki | Naoki Tajima | 6-2, 6-1 | | detaliu meci |  M15 Nishi | Hard |
| 23.11.25 | 1-a rundă de calif. | Carl Emil Overbeck | Naoki Tajima | 6-2, 6-2 | | detaliu meci |  Playford Challenger | Hard |
| 02.11.25 | 1-a rundă de calif. | Naoya Honda | Naoki Tajima | 6-3, 6-2 | | detaliu meci | Matsuyama Challenger | Hard |
| 20.10.25 | Calificare | Maxim Zhukov | Naoki Tajima | 6-2, 6-3 | | detaliu meci |  Suzhou Challenger | Hard |
| 19.10.25 | 1-a rundă de calif. | Naoki Tajima | Kokoro Isomura | 6-3, 6-4 | | detaliu meci | ||
| 09.10.25 | a 2-a rundă | Matthew Dellavedova | Naoki Tajima | 6-3, 6-2 | | detaliu meci | M25 Perth | Hard |
| 08.10.25 | 1-a rundă | Naoki Tajima | Anthony Susanto | 6-0, 6-2 | | detaliu meci | ||
| 06.10.25 | Calificare | Naoki Tajima | Isaac Becroft | 3-6, 6-0, 10-5 | | detaliu meci | ||
| 05.10.25 | 1-a rundă de calif. | Naoki Tajima | Michael Dylan Jimenez | 6-0, 6-2 | | detaliu meci | ||
| 28.09.25 | 1-a rundă de calif. | David Qariaqus | Naoki Tajima | 7-5, Naoki Tajima - retragere | | detaliu meci | M25 Perth | Hard |
| 18.09.25 | a 2-a rundă | Hikaru Shiraishi | Naoki Tajima | 6-4, 6-1 | | detaliu meci | M25 Takasaki | Hard |
| 17.09.25 | 1-a rundă | Naoki Tajima | Masamichi Imamura | 6-1, 6-0 | | detaliu meci | ||
| 15.09.25 | Calificare | Naoki Tajima | Yamato Sueoka | 6-1, 6-4 | | detaliu meci | ||
| 14.09.25 | 1-a rundă de calif. | Naoki Tajima | Yuki Karatsu | 6-2, 6-4 | | detaliu meci | ||
| 03.09.25 | 1-a rundă | Matthew Dellavedova | Naoki Tajima | 7-62, 6-4 | | detaliu meci | M25 Sapporo | Hard |
| 01.09.25 | Calificare | Naoki Tajima | Natsuki Yamamoto | 6-1, 6-1 | | detaliu meci | ||
| 31.08.25 | 1-a rundă de calif. | Naoki Tajima | Junnosuke Masuda | 6-1, 6-2 | | detaliu meci | ||
| 24.08.25 | 1-a rundă de calif. | Yuta Kikuchi | Naoki Tajima | 6-3, 7-5 | | detaliu meci | Zhangjiagang Challenger | Hard |
| 23.07.25 | 1-a rundă | Paul Jubb | Naoki Tajima | 6-1, 3-6, 6-2 | | detaliu meci |  M25 Champaign | Hard |
| 22.07.25 | Calificare | Naoki Tajima | Eli Stephenson | 6-3, 7-5 | | detaliu meci | ||
| 21.07.25 | 1-a rundă de calif. | Naoki Tajima | Marcell Dawson | 6-2, 6-0 | | detaliu meci | ||
| 29.06.25 | 1-a rundă de calif. | Moerani Bouzige | Naoki Tajima | 6-2, 6-3 | | detaliu meci | Cary Challenger | Hard |
| 25.05.25 | 1-a rundă de calif. | Stuart Parker | Naoki Tajima | 6-1, 1-0, Naoki Tajima - retragere | | detaliu meci |  Chisinau Challenger | Hard |
| 13.05.25 | 1-a rundă | Johannus Monday | Naoki Tajima | 6-2, 6-3 | | detaliu meci |  M25 Tbilisi | Hard |
| 12.05.25 | Calificare | Naoki Tajima | Alexander Ushakov | 7-62, 6-1 | | detaliu meci | ||
| 11.05.25 | 1-a rundă de calif. | Naoki Tajima | Daniil Sokolov | 6-0, 6-1 | | detaliu meci | ||
| 25.03.25 | 1-a rundă | Hyeon Chung | Naoki Tajima | 6-3, 6-2 | | detaliu meci | M15 Tsukuba | Hard |
| 24.03.25 | Calificare | Naoki Tajima | Shu Muto | 6-3, 6-4 | | detaliu meci | ||
| 23.03.25 | 1-a rundă de calif. | Naoki Tajima | Junhyun Lee | 7-60, 6-2 | | detaliu meci | ||
| 18.03.25 | 1-a rundă | Keisuke Saitoh | Naoki Tajima | 6-4, 6-1 | | detaliu meci | M25 Shenzhen | Hard |
| 17.03.25 | Calificare | Naoki Tajima | Zhengyu Sun | 6-1, 6-1 | | detaliu meci | ||
| 16.03.25 | 1-a rundă de calif. | Naoki Tajima | Yanjie Zheng | 6-4, 6-2 | | detaliu meci | ||
| 11.03.25 | Calificare | Nino Ehrenschneider | Naoki Tajima | 6-3, 6-4 | | detaliu meci | M25 Luan | Hard |
| 10.03.25 | 2-a rundă de calif. | Naoki Tajima | Zijiang Yang | 6-2, 6-0 | | detaliu meci | ||
| 09.03.25 | 1-a rundă de calif. | Naoki Tajima | Yuta Tomida | 6-1, 6-4 | | detaliu meci | ||
| 27.02.25 | a 2-a rundă | Christian Langmo | Naoki Tajima | 6-74, 6-4, 6-4 | | detaliu meci | M25 Launceston | Hard |
| 25.02.25 | 1-a rundă | Naoki Tajima | Sam Ryan Ziegann | 6-1, 6-3 | | detaliu meci | ||
| 24.02.25 | Calificare | Naoki Tajima | Jayden Court | 6-74, 6-3, 10-6 | | detaliu meci | ||
| 23.02.25 | 1-a rundă de calif. | Naoki Tajima | Roger Rogowski | 6-1, 6-2 | | detaliu meci | ||
| 17.02.25 | Calificare | Yuta Kikuchi | Naoki Tajima | 2-6, 6-3, 12-10 | | detaliu meci | M25 Burnie | Hard |
| 16.02.25 | 1-a rundă de calif. | Naoki Tajima | Ty Host | 6-4, 6-4 | | detaliu meci | ||
| 11.02.25 | 1-a rundă | Yuta Kikuchi | Naoki Tajima | 6-3, 6-2 | | detaliu meci |  M25 Timaru | Hard |
| 10.02.25 | Calificare | Naoki Tajima | Yuichiro Inui | 6-2, 6-2 | | detaliu meci | ||
| 09.02.25 | 1-a rundă de calif. | Naoki Tajima | Alvin Na | 6-1, 6-0 | | detaliu meci | ||
| 21.01.25 | 1-a rundă | Tuncay Duran | Naoki Tajima | 6-4, 6-3 | | detaliu meci |  M25 Doha | Hard |
| 20.01.25 | Calificare | Naoki Tajima | Matthew Summers | 4-1, Matthew Summers - retragere | | detaliu meci | ||
| 19.01.25 | 1-a rundă de calif. | Naoki Tajima | Andrei Cuceu | 6-1, 6-2 | | detaliu meci | ||
| 15.01.25 | 1-a rundă | Petr Nesterov | Naoki Tajima | 6-4, 6-1 | | detaliu meci | M15 Doha | Hard |
| 13.01.25 | Calificare | Naoki Tajima | Kohei Hayashi | 6-2, 7-66 | | detaliu meci | ||
| 12.01.25 | 1-a rundă de calif. | Naoki Tajima | Nelson Guo | 6-0, 6-0 | | detaliu meci | ||
| 27.11.24 | 1-a rundă | Renta Tokuda | Naoki Tajima | 6-1, 1-6, 7-64 | | detaliu meci | M25 Carrara | Hard |
| 26.11.24 | Calificare | Naoki Tajima | Issei Okamura | 6-4, 6-3 | | detaliu meci | ||
| 25.11.24 | 2-a rundă de calif. | Naoki Tajima | Ethan Cook | 1-6, 6-3, 10-3 | | detaliu meci | ||
| 21.11.24 | 1-a rundă | Joshua Sheehy | Naoki Tajima | 6-2, 7-5 | | detaliu meci | M25 Caloundra | Hard |
| 19.11.24 | Calificare | Naoki Tajima | Finley Hall | 7-5, Finley Hall - retragere | | detaliu meci | ||
| 18.11.24 | 2-a rundă de calif. | Naoki Tajima | Zachary Adam-Gedge | 7-63, 6-1 | | detaliu meci | ||
| 14.11.24 | a 2-a rundă | Matthew Dellavedova | Naoki Tajima | 6-3, 6-2 | | detaliu meci | M25 Brisbane | Hard |
| 13.11.24 | 1-a rundă | Naoki Tajima | Sam Ryan Ziegann | 7-62, 6-4 | | detaliu meci | ||
| 12.11.24 | Calificare | Naoki Tajima | Thomas Braithwaite | 6-4, 1-6, 10-8 | | detaliu meci | ||
| 11.11.24 | 2-a rundă de calif. | Naoki Tajima | Boyd Schreiber | 7-5, 6-3 | | detaliu meci | ||
| 20.10.24 | 1-a rundă de calif. | Yuki Mochizuki | Naoki Tajima | 6-1, 6-1 | | detaliu meci | Playford Challenger | Hard |
| 16.09.24 | Calificare | Ryusuke Horiuchi | Naoki Tajima | 6-2, 7-5 | | detaliu meci | M25 Takasaki | Hard |
| 15.09.24 | 1-a rundă de calif. | Naoki Tajima | Jeffrey Fradkin | 6-2, 6-3 | | detaliu meci | ||
| 12.09.24 | a 2-a rundă | Takuya Kumasaka | Naoki Tajima | 7-63, 6-2 | | detaliu meci | M25 Sapporo | Hard |
| 10.09.24 | 1-a rundă | Naoki Tajima | Taisei Ichikawa | 3-6, 6-2, 6-1 | | detaliu meci | ||
| 11.08.24 | 1-a rundă de calif. | James Story | Naoki Tajima | 6-4, 6-3 | | detaliu meci |  M25 Aldershot | Hard |
| 08.08.24 | a 2-a rundă | Ryan Peniston | Naoki Tajima | 6-2, 6-2 | | detaliu meci | M25 Roehampton | Hard |
| 06.08.24 | 1-a rundă | Naoki Tajima | Louis Bowden | 7-64, 2-6, 6-1 | | detaliu meci | ||
| 05.08.24 | Calificare | Naoki Tajima | Kyle Rae | 6-3, 6-3 | | detaliu meci | ||
| 04.08.24 | 1-a rundă de calif. | Naoki Tajima | Daniel Leong Prickett | 6-3, 6-0 | | detaliu meci | ||
| 19.06.24 | 1-a rundă | Kasidit Samrej | Naoki Tajima | 6-0, 6-3 | | detaliu meci |  M15 Hong | Hard |
| 13.06.24 | a 2-a rundă | Chase Ferguson | Naoki Tajima | 6-0, 6-2 | | detaliu meci | M15 Anseong | Hard |
| 12.06.24 | 1-a rundă | Naoki Tajima | Woohyuk Chang | 6-1, 6-2 | | detaliu meci | ||
| 07.06.24 | Sfert de finală | Sora Fukuda | Naoki Tajima | 6-2, 6-1 | | detaliu meci |  M15 Harmon | Hard |
| 06.06.24 | a 2-a rundă | Naoki Tajima | Shinji Hazawa | 7-68, 6-4 | | detaliu meci | ||
| 05.06.24 | 1-a rundă | Naoki Tajima | Issei Okamura | 3-6, 6-3, 6-3 | | detaliu meci | ||
| 01.04.24 | Calificare | Daisuke Sumizawa | Naoki Tajima | 4-6, 6-1, 10-8 | | detaliu meci | M15 Kashiwa | Hard |
| 31.03.24 | 1-a rundă de calif. | Naoki Tajima | Kenta Nakamura | 6-2, 6-2 | | detaliu meci | ||
| 24.03.24 | 1-a rundă de calif. | Ryotaro Shimomura | Naoki Tajima | 6-3, 1-6, 10-5 | | detaliu meci | M15 Tsukuba | Hard |
| 28.02.24 | 1-a rundă | Makoto Ochi | Naoki Tajima | 7-5, 4-6, 5-2, Naoki Tajima - retragere | | detaliu meci | M25 Traralgon | Hard |
| 27.02.24 | Calificare | Naoki Tajima | Luke Sorensen | 7-63, 5-7, 10-7 | | detaliu meci | ||
| 26.02.24 | 2-a rundă de calif. | Naoki Tajima | Benjamin Loccisano | 6-0, 6-0 | | detaliu meci | ||
| 19.02.24 | 2-a rundă de calif. | Adrian Arcon | Naoki Tajima | 6-3, 6-2 | | detaliu meci | M25 Traralgon | Hard |
| 04.02.24 | 1-a rundă de calif. | Jacob Bradshaw | Naoki Tajima | 6-4, 6-4 | | detaliu meci | Burnie 2 | Hard |
| 28.01.24 | 1-a rundă de calif. | Takuya Kumasaka | Naoki Tajima | 6-4, 7-64 | | detaliu meci | Burnie 1 | Hard |
| 18.01.24 | Sfert de finală | Sandro Kopp | Naoki Tajima | 6-3, 6-1 | | detaliu meci | M25 Doha | Hard |
| 17.01.24 | a 2-a rundă | Naoki Tajima | Stefan Palosi | 6-4, 5-7, 6-3 | | detaliu meci | ||
| 16.01.24 | 1-a rundă | Naoki Tajima | Mashari Nawaf | 6-1, 6-1 | | detaliu meci | ||
| 15.01.24 | Calificare | Naoki Tajima | Andrei Cuceu | 6-2, 6-1 | | detaliu meci | ||
| 14.01.24 | 1-a rundă de calif. | Naoki Tajima | Nikita Bortnichek | 6-1, 6-0 | | detaliu meci | ||
| 11.01.24 | a 2-a rundă | Viacheslav Bielinskyi | Naoki Tajima | 4-6, 6-4, 6-1 | | detaliu meci | M15 Doha | Hard |
| 10.01.24 | 1-a rundă | Naoki Tajima | Tanguy Genier | 2-6, 6-0, 3-0, Tanguy Genier - retragere | | detaliu meci | ||
| 09.01.24 | Calificare | Naoki Tajima | Matteo Covato | 6-4, 6-1 | | detaliu meci | ||
| 08.01.24 | 1-a rundă de calif. | Naoki Tajima | Andrei Cuceu | 6-1, 6-2 | | detaliu meci | ||
| 30.11.23 | 1-a rundă | Emile Hudd | Naoki Tajima | 6-4, 6-4 | | detaliu meci | M25 Gold | Hard |
| 28.11.23 | Calificare | Naoki Tajima | Geni Inoue | 6-4, 3-6, 10-5 | | detaliu meci | ||
| 27.11.23 | 2-a rundă de calif. | Naoki Tajima | Kemal Arda Karakas | 6-2, 6-3 | | detaliu meci | ||
| 19.11.23 | Calificare | August Holmgren | Naoki Tajima | 3-6, 7-5, 6-3 | | detaliu meci | Yokohama Challenger | Hard |
| 18.11.23 | 1-a rundă de calif. | Naoki Tajima | Egor Gerasimov | 6-4, 3-6, 6-2 | | detaliu meci | ||
| 11.10.23 | 1-a rundă | Jacob Brumm | Naoki Tajima | 6-2, 7-5 | | detaliu meci | M25 Cairns | Hard |
| 10.10.23 | 2-a rundă de calif. | Naoki Tajima | Blake Bayldon | 6-2, 7-63 | | detaliu meci | ||
| 10.10.23 | Calificare | Naoki Tajima | Thomas Patton | 7-63, 6-0 | | detaliu meci | ||
| 05.10.23 | a 2-a rundă | Blake Ellis | Naoki Tajima | 6-1, 6-4 | | detaliu meci | M25 Cairns | Hard |
| 04.10.23 | 1-a rundă | Naoki Tajima | Alexander Klintcharov | 0-6, 6-4, 6-4 | | detaliu meci | ||
| 03.10.23 | Calificare | Naoki Tajima | Lawrence Bataljin | 6-2, 6-1 | | detaliu meci | ||
| 02.10.23 | 2-a rundă de calif. | Naoki Tajima | Hugo Joaquim Babakian | 6-0, 6-1 | | detaliu meci | ||
| 17.09.23 | 1-a rundă de calif. | Yusuke Kusuhara | Naoki Tajima | 1-6, 6-2, 12-10 | | detaliu meci | M25 Takasaki | Hard |
| 12.09.23 | 1-a rundă | Tatsuma Ito | Naoki Tajima | 6-3, 6-1 | | detaliu meci | M25 Sapporo | Hard |
| 11.09.23 | Calificare | Naoki Tajima | Ko Suzuki | 7-63, 4-6, 10-8 | | detaliu meci | ||
| 10.09.23 | 1-a rundă de calif. | Naoki Tajima | Taiki Hosokawa | 6-1, 6-3 | | detaliu meci | ||
| 03.09.23 | 1-a rundă de calif. | Hiroki Sakagawa | Naoki Tajima | 6-2, 6-3 | | detaliu meci | M25 Sapporo | Hard |
| 01.08.23 | Calificare | Anton Shepp | Naoki Tajima | 1-6, 6-4, 10-7 | | detaliu meci | M15 Caloundra | Hard |
| 31.07.23 | 2-a rundă de calif. | Naoki Tajima | Hugh Winter | 6-3, 6-3 | | detaliu meci | ||
| 26.07.23 | 1-a rundă | Brandon Walkin | Naoki Tajima | 7-65, 3-6, 6-4 | | detaliu meci | M15 Caloundra | Hard |
| 25.07.23 | Calificare | Naoki Tajima | Jesse Delaney | 6-2, 6-2 | | detaliu meci | ||
| 24.07.23 | 2-a rundă de calif. | Naoki Tajima | Thomas Nicholas Gadecki | 6-2, 6-2 | | detaliu meci | ||
| 15.06.23 | a 2-a rundă | Chan-Yeong Oh | Naoki Tajima | 6-1, 6-3 | | detaliu meci | M25 Changwon | Hard |
| 14.06.23 | 1-a rundă | Naoki Tajima | Tatsuma Ito | 3-6, 6-6, Tatsuma Ito - retragere | | detaliu meci | ||
| 12.06.23 | 2-a rundă de calif. | Naoki Tajima | Sung Hun Kim | 6-4, 6-0 | | detaliu meci | ||
| 12.06.23 | Calificare | Naoki Tajima | Hyun Woo Cho | 6-1, 6-0 | | detaliu meci | ||
| 11.06.23 | 1-a rundă de calif. | Naoki Tajima | Je Won Jeon | 6-1, 6-1 | | detaliu meci | ||
| 25.04.23 | Calificare | Credit Chaiyarin | Naoki Tajima | 5-7, 6-3, 10-8 | | detaliu meci |  M25 Jakarta | Hard |
| 24.04.23 | 2-a rundă de calif. | Naoki Tajima | Arsya Philo Wisyesa Putra Sjarifuddin | 6-0, 6-0 | | detaliu meci | ||
| 17.04.23 | 2-a rundă de calif. | Andrew Rogers | Naoki Tajima | 7-64, 6-4 | | detaliu meci | M25 Jakarta | Hard |
| 16.04.23 | 1-a rundă de calif. | Naoki Tajima | Pruchya Isarow | 2-6, 6-3, 10-8 | | detaliu meci | ||
| 05.04.23 | 1-a rundă | Renta Tokuda | Naoki Tajima | 6-2, 2-0, Naoki Tajima - retragere | | detaliu meci | M25 Kashiwa | Hard |
| 03.04.23 | Calificare | Hiroyasu Ehara | Naoki Tajima | 6-4, 6-2 | | detaliu meci | ||
| 02.04.23 | 1-a rundă de calif. | Naoki Tajima | Ryotaro Matsumura | 6-4, 4-0, Ryotaro Matsumura - retragere | | detaliu meci | ||
| 30.03.23 | a 2-a rundă | Renta Tokuda | Naoki Tajima | 6-0, 6-4 | | detaliu meci | M25 Tsukuba | Hard |
| 29.03.23 | 1-a rundă | Naoki Tajima | Gen Nakamura | 6-4, 6-2 | | detaliu meci | ||
| 27.03.23 | Calificare | Naoki Tajima | Ryotaro Matsumura | 6-3, 0-6, 10-4 | | detaliu meci | ||
| 27.03.23 | 1-a rundă de calif. | Naoki Tajima | Taiyo Yamanaka | 4-6, 7-5, 10-8 | | detaliu meci | ||
| 12.02.23 | 1-a rundă de calif. | Niccolo Baroni | Naoki Tajima | 6-2, 6-2 | | detaliu meci |  M15 Monastir | Hard |
| 06.02.23 | Calificare | Aleksi Lofman | Naoki Tajima | 7-5, 6-2 | | detaliu meci | M15 Monastir | Hard |
| 05.02.23 | 1-a rundă de calif. | Naoki Tajima | Oskari Eerola | 6-2, 6-1 | | detaliu meci | ||
| 24.01.23 | Calificare | Woobin Shin | Naoki Tajima | 6-0, 6-4 | | detaliu meci | M15 Jakarta | Hard |
| 23.01.23 | 2-a rundă de calif. | Naoki Tajima | Claudio Renardi Lumanau | 6-0, 6-2 | | detaliu meci | ||
| 17.01.23 | Calificare | Yunseok Jang | Naoki Tajima | 6-3, 3-6, 10-4 | | detaliu meci | M15 Jakarta | Hard |
| 16.01.23 | 2-a rundă de calif. | Naoki Tajima | Sai Karteek Reddy Ganta | 7-66, 6-3 | | detaliu meci | ||
| 25.11.22 | a 2-a rundă | Mark Whitehouse | Naoki Tajima | 6-3, 6-1 | | detaliu meci | M25 Traralgon | Hard |
| 24.11.22 | 1-a rundă | Naoki Tajima | Tai Sach | 6-4, 6-0 | | detaliu meci | ||
| 15.11.22 | 1-a rundă | Alex Bolt | Naoki Tajima | 7-5, 4-6, 6-3 | | detaliu meci | M25 Traralgon | Hard |
| 03.10.22 | Calificare | Jason Jung | Naoki Tajima | 6-0, 6-3 | | detaliu meci | Gwangju Challenger | Hard |
| 02.10.22 | 1-a rundă de calif. | Naoki Tajima | Ray Ho | Ray Ho - nu s-a prezentat | | detaliu meci | ||
| 27.09.22 | 1-a rundă | Hiroyasu Ehara | Naoki Tajima | 6-2, 4-6, 4-2, Naoki Tajima - retragere | | detaliu meci | M25 Kashiwa | Hard |
| 26.09.22 | Calificare | Naoki Tajima | Yuto Takahashi | 7-64, 6-3 | | detaliu meci | ||
| 07.09.22 | 1-a rundă | Takuya Kumasaka | Naoki Tajima | 7-65, 6-0 | | detaliu meci | M25 Sapporo | Hard |
| 01.09.22 | 1-a rundă | Ryota Tanuma | Naoki Tajima | 6-1, 6-4 | | detaliu meci | M25 Sapporo | Hard |
| 23.06.22 | a 2-a rundă | Fajing Sun | Naoki Tajima | 6-1, 6-2 | | detaliu meci |  M15 Chiang | Hard |
| 22.06.22 | 1-a rundă | Naoki Tajima | Rishi Reddy | 6-4, 3-6, 6-3 | | detaliu meci | ||
| 15.06.22 | 1-a rundă | Makoto Ochi | Naoki Tajima | 6-2, 6-2 | | detaliu meci | M15 Chiang | Hard |
| 08.06.22 | 1-a rundă | Manish Sureshkumar | Naoki Tajima | 6-2, 6-2 | | detaliu meci | M25 Chiang | Hard |
| 26.04.22 | 1-a rundă | Jose Statham | Naoki Tajima | 6-3, 6-2 | | detaliu meci | M15 Chiang | Hard |
| 20.04.22 | 1-a rundă | Dayne Kelly | Naoki Tajima | 6-3, 6-2 | | detaliu meci | M15 Chiang | Hard |
| 13.04.22 | 1-a rundă | S D Prajwal Dev | Naoki Tajima | 6-3, 6-3 | | detaliu meci | M15 Chiang | Hard |
| 09.03.22 | 1-a rundă | Simon Beaupain | Naoki Tajima | 6-2, 7-67 | | detaliu meci | M25 Bendigo | Hard |
| 03.03.22 | a 2-a rundă | Tristan Schoolkate | Naoki Tajima | 6-2, 7-65 | | detaliu meci | M25 Bendigo | Hard |
| 02.03.22 | 1-a rundă | Naoki Tajima | Patrick Fitzgerald | 7-65, 7-62 | | detaliu meci | ||
| 15.02.22 | 1-a rundă | Matthew Dellavedova | Naoki Tajima | 6-3, 4-6, 6-4 | | detaliu meci | M25 Canberra | Hard |
| 08.02.22 | 1-a rundă | Hayden Jones | Naoki Tajima | 6-2, 4-6, 6-3 | | detaliu meci | M25 Canberra | Hard |
| 27.01.22 | a 2-a rundă | Arthur Bouquier | Naoki Tajima | 7-5, 6-4 | | detaliu meci | M15 Monastir | Hard |
| 26.01.22 | 1-a rundă | Naoki Tajima | Noel Larwig | 6-3, 6-1 | | detaliu meci | ||
| 18.01.22 | 1-a rundă | Adam Jurajda | Naoki Tajima | 6-3, 6-4 | | detaliu meci | M15 Monastir | Hard |
| 14.10.21 | a 2-a rundă | Nicholas Bybel | Naoki Tajima | 4-6, 6-2, 4-1, Naoki Tajima - retragere | | detaliu meci |  M15 Cancun | Hard |
| 13.10.21 | 1-a rundă | Naoki Tajima | Nikolas Moceanu | 6-3, 6-2 | | detaliu meci | ||
| 05.10.21 | 1-a rundă | Jose Pereira | Naoki Tajima | 6-2, 6-2 | | detaliu meci | M15 Cancun | Hard |
| 25.08.21 | 1-a rundă | Yuta Kawahashi | Naoki Tajima | 6-3, 6-4 | | detaliu meci | M15 Monastir | Hard |
| 19.08.21 | a 2-a rundă | Gage Brymer | Naoki Tajima | 6-3, 6-3 | | detaliu meci | M15 Monastir | Hard |
| 17.08.21 | 1-a rundă | Naoki Tajima | Preston Connor | 6-1, 6-0 | | detaliu meci | ||
| 12.08.21 | a 2-a rundă | Sho Shimabukuro | Naoki Tajima | 6-1, 7-64 | | detaliu meci | M15 Monastir | Hard |
| 11.08.21 | 1-a rundă | Naoki Tajima | Seif Adas | 6-2, 6-3 | | detaliu meci | ||
| 27.07.21 | 1-a rundă | Martin Breysach | Naoki Tajima | 3-6, 6-2, 6-2 | | detaliu meci |  M15 Castelo | Hard |
| 20.07.21 | 1-a rundă | Anton Matusevich | Naoki Tajima | 6-3, 7-5 | | detaliu meci | M25 Idanha | Hard |
| 15.07.21 | a 2-a rundă | Daniel Rodrigues | Naoki Tajima | 6-3, 7-5 | | detaliu meci | M25 Idanha | Hard |
| 14.07.21 | 1-a rundă | Naoki Tajima | Fabio Coelho | 4-6, 6-4, 6-2 | | detaliu meci | ||
| 07.07.21 | 1-a rundă | Martim Leote Prata | Naoki Tajima | 6-3, 6-2 | | detaliu meci | M15 Almada | Hard |
| 30.05.21 | Finală | Anton Matusevich | Naoki Tajima | 6-1, 4-6, 6-0 | | detaliu meci |  M15 Kouvola | Hard |
| 29.05.21 | Semifinală | Naoki Tajima | Lorenzo Rottoli | 7-5, 6-4 | | detaliu meci | ||
| 28.05.21 | Sfert de finală | Naoki Tajima | Luca Castelnuovo | 6-3, 6-2 | | detaliu meci | ||
| 27.05.21 | a 2-a rundă | Naoki Tajima | Aleksi Lofman | 3-6, 7-64, 6-4 | | detaliu meci | ||
| 26.05.21 | 1-a rundă | Naoki Tajima | Leevi Saatela | 6-4, 6-2 | | detaliu meci | ||
| 04.03.21 | a 2-a rundă | Franco Agamenone | Naoki Tajima | 6-0, 6-3 | | detaliu meci | M15 Monastir | Hard |
| 03.03.21 | 1-a rundă | Naoki Tajima | Stefano Reitano | 6-1, 6-0 | | detaliu meci | ||
| 23.02.21 | 1-a rundă | Alexis Gautier | Naoki Tajima | 7-5, 6-4 | | detaliu meci | M15 Monastir | Hard |
| 18.02.21 | a 2-a rundă | Jose Fco. Vidal Azorin | Naoki Tajima | 6-3, 7-5 | | detaliu meci | M15 Monastir | Hard |
| 16.02.21 | 1-a rundă | Naoki Tajima | Marvin Moeller | 6-2, 6-3 | | detaliu meci | ||
| 09.02.21 | 1-a rundă | Naoki Nakagawa | Naoki Tajima | 7-5, 6-0 | | detaliu meci | M15 Monastir | Hard |
| 26.11.20 | a 2-a rundă | Timo Stodder | Naoki Tajima | 6-3, 7-5 | | detaliu meci |  M15 Heraklion | Hard |
| 25.11.20 | 1-a rundă | Naoki Tajima | Mircea-Alexandru Jecan | 7-5, 6-3 | | detaliu meci | ||
| 24.11.20 | 2-a rundă de calif. | Naoki Tajima | Patrik Hartmeier | 6-4, 6-2 | | detaliu meci | ||
| 24.11.20 | Calificare | Naoki Tajima | Henry Patten | 7-5, 7-5 | | detaliu meci | ||
| 18.11.20 | 1-a rundă | Hanwen Li | Naoki Tajima | 5-7, 6-2, 6-1 | | detaliu meci | M15 Heraklion | Hard |
| 17.11.20 | Calificare | Stefan Palosi | Naoki Tajima | 5-7, 6-3, 10-5 | | detaliu meci | ||
| 16.11.20 | 2-a rundă de calif. | Naoki Tajima | Roman Andres Burruchaga | 6-3, 6-2 | | detaliu meci | ||
| 15.11.20 | 1-a rundă de calif. | Naoki Tajima | Michalis Sakellaridis | 6-1, 6-1 | | detaliu meci | ||
| 08.11.20 | 1-a rundă de calif. | Billy Harris | Naoki Tajima | 5-7, 6-1, 10-7 | | detaliu meci | M15 Heraklion | Hard |
| 04.02.20 | 1-a rundă | Blake Mott | Naoki Tajima | 4-6, 6-1, 6-2 | | detaliu meci | Launceston Challenger | Hard |
| 03.02.20 | Calificare | Naoki Tajima | Ryota Tanuma | 6-2, 6-2 | | detaliu meci | ||
| 27.01.20 | Calificare | Petros Tsitsipas | Naoki Tajima | 6-4, 4-6, 6-4 | | detaliu meci | Burnie Challenger | Hard |
| 13.01.20 | a 2-a rundă | Maverick Banes | Naoki Tajima | 6-1, 6-2 | | detaliu meci | Bendigo Challenger | Hard |
| 12.01.20 | 1-a rundă | Naoki Tajima | Min-Kyu Song | 6-3, 6-4 | | detaliu meci | ||
| 08.01.20 | 1-a rundă | Cing-Yang Meng | Naoki Tajima | 7-5, 1-6, 6-2 | | detaliu meci | M15 Hong | Hard |
| 15.11.19 | Sfert de finală | Aziz Kijametovic | Naoki Tajima | 6-2, 6-4 | | detaliu meci | M15 Monastir | Hard |
| 14.11.19 | a 2-a rundă | Naoki Tajima | Jake Hersey | 6-2, 6-3 | | detaliu meci | ||
| 13.11.19 | 1-a rundă | Naoki Tajima | Clement Geens | 3-6, 6-3, 7-5 | | detaliu meci | ||
| 07.11.19 | a 2-a rundă | Majed Kilani | Naoki Tajima | 6-3, 6-3 | | detaliu meci | M15 Monastir | Hard |
| 06.11.19 | 1-a rundă | Naoki Tajima | Pietro Orlando Fellin | 6-1, 6-0 | | detaliu meci | ||
| 30.10.19 | 1-a rundă | Skander Mansouri | Naoki Tajima | 6-2, 6-4 | | detaliu meci | M25 Monastir | Hard |
| 28.10.19 | Calificare | Naoki Tajima | Igor Ribeiro Marcondes | 6-4, 3-6, 10-6 | | detaliu meci | ||
| 27.10.19 | 2-a rundă de calif. | Naoki Tajima | Skander Ben Abdallah | 6-4, 7-5 | | detaliu meci | ||
| 18.10.19 | Sfert de finală | Marek Gengel | Naoki Tajima | 3-6, 6-1, 6-3 | | detaliu meci |  M15 Sharm | Hard |
| 17.10.19 | a 2-a rundă | Naoki Tajima | Kristjan Tamm | 6-2, 1-6, 6-1 | | detaliu meci | ||
| 16.10.19 | 1-a rundă | Naoki Tajima | Max Houkes | 6-3, 6-4 | | detaliu meci | ||
| 11.10.19 | Sfert de finală | Adam Moundir | Naoki Tajima | 6-1, 6-3 | | detaliu meci | M15 Sharm | Hard |
| 10.10.19 | a 2-a rundă | Naoki Tajima | Kalman L. Boyd | 6-2, 6-3 | | detaliu meci | ||
| 09.10.19 | 1-a rundă | Naoki Tajima | Daniele Catini | 6-4, 6-2 | | detaliu meci | ||
| 05.08.19 | 1-a rundă | Shintaro Imai | Naoki Tajima | 6-2, 6-3 | | detaliu meci | Yokkaichi Challenger | Hard |
| 25.07.19 | a 2-a rundă | Yuta Shimizu | Naoki Tajima | 6-0, 6-4 | | detaliu meci | M25 Nonthaburi | Hard |
| 24.07.19 | 1-a rundă | Naoki Tajima | Niki Kaliyanda Poonacha | 6-4, 4-6, 6-1 | | detaliu meci | ||
| 12.04.19 | a 2-a rundă | Naoki Tajima | Masamichi Imamura | 6-2, 6-4 | | detaliu meci | M25 Matsuyama | Hard |
| 12.04.19 | Sfert de finală | Shuichi Sekiguchi | Naoki Tajima | 6-4, 6-4 | | detaliu meci | ||
| 11.04.19 | 1-a rundă | Naoki Tajima | Kosuke Ogura | 6-4, 6-0 | | detaliu meci | ||
| 03.04.19 | 1-a rundă | Tamaki Yamao | Naoki Tajima | 6-1, 3-6, 6-2 | | detaliu meci | M15 Kashiwa | Hard |
| 30.03.19 | Semifinală | Shintaro Imai | Naoki Tajima | 6-1, 6-2 | | detaliu meci | M15 Tsukuba | Hard |
| 29.03.19 | Sfert de finală | Naoki Tajima | Yuta Shimizu | 6-4, 7-65 | | detaliu meci | ||
| 28.03.19 | a 2-a rundă | Naoki Tajima | Mark Whitehouse | 6-4, 4-6, 6-3 | | detaliu meci | ||
| 27.03.19 | 1-a rundă | Naoki Tajima | Issei Okamura | 6-3, 6-4 | | detaliu meci | ||
| 21.03.19 | a 2-a rundă | Yusuke Takahashi | Naoki Tajima | 6-3, 6-2 | | detaliu meci | M15 Kofu | Hard |
| 20.03.19 | 1-a rundă | Naoki Tajima | Tomohiro Masabayashi | 4-6, 6-1, 6-2 | | detaliu meci | ||
| 13.03.19 | 1-a rundă | Shintaro Imai | Naoki Tajima | 6-1, 6-4 | | detaliu meci | M15 Nishi | Hard |
| 08.03.19 | a 2-a rundă | Naoki Tajima | Sora Fukuda | 6-2, 3-0, Sora Fukuda - retragere | | detaliu meci | M15 Nishi | Hard |
| 08.03.19 | Sfert de finală | Sho Shimabukuro | Naoki Tajima | 6-3, 7-5 | | detaliu meci | ||
| 05.03.19 | 1-a rundă | Naoki Tajima | Shinji Hazawa | 7-5, 6-3 | | detaliu meci | ||
| 02.09.18 | 1-a rundă | Jonas Forejtek | Naoki Tajima | 6-1, 6-3 | | detaliu meci | U.S. Open | Hard |
| 12.04.18 | Sfert de finală | Makoto Ochi | Naoki Tajima | 6-4, 1-6, 6-0 | | detaliu meci | Japan F6 | Hard |
| 12.04.18 | a 2-a rundă | Naoki Tajima | Shunrou Takeshima | 4-6, 6-2, 6-4 | | detaliu meci | ||
| 09.04.18 | 1-a rundă | Naoki Tajima | Yuki Yudate | 6-2, 6-0 | | detaliu meci | ||
| 04.04.18 | a 2-a rundă | Yusuke Takahashi | Naoki Tajima | 6-4, 6-2 | | detaliu meci | Japan F5 | Hard |
| 02.04.18 | 1-a rundă | Naoki Tajima | Rimpei Kawakami | 6-3, 6-4 | | detaliu meci | ||
| 29.03.18 | a 2-a rundă | Shintaro Imai | Naoki Tajima | 6-4, 6-3 | | detaliu meci | Japan F4 | Hard |
| 27.03.18 | 1-a rundă | Naoki Tajima | Takuto Niki | 7-5, 7-64 | | detaliu meci | ||
| 19.03.18 | 1-a rundă | Seongchan Hong | Naoki Tajima | 6-1, 4-6, 6-4 | | detaliu meci | Japan F3 | Hard |
| 20.01.18 | 1-a rundă | Wojciech Marek | Naoki Tajima | 6-3, 6-4 | | detaliu meci | Australian Open | Hard |
| 08.09.17 | Sfert de finală | Axel Geller | Naoki Tajima | 6-3, 6-78, 6-4 | | detaliu meci | U.S. Open | Hard |
| 07.09.17 | a 3-a rundă | Naoki Tajima | Menelaos Efstathiou | 6-0, 6-71, 6-3 | | detaliu meci | ||
| 05.09.17 | a 2-a rundă | Naoki Tajima | Hugo Gaston | 6-1, 2-6, 7-64 | | detaliu meci | ||
| 03.09.17 | 1-a rundă | Naoki Tajima | Michael Vrbensky | 5-7, 6-4, 6-2 | | detaliu meci | ||
| 04.04.17 | 1-a rundă | Toshihide Matsui | Naoki Tajima | 1-6, 6-4, 6-3 | | detaliu meci | Japan F5 | Hard |
| 03.04.17 | 1-a rundă de calif. | Naoki Tajima | Yuichiro Inui | 6-4, 6-0 | | detaliu meci | ||
| 03.04.17 | Calificare | Naoki Tajima | Hiromasa Oku | 6-1, 6-0 | | detaliu meci | ||
| 29.03.17 | 1-a rundă | Yusuke Takahashi | Naoki Tajima | 3-6, 6-1, 6-4 | | detaliu meci | Japan F4 | Hard |
| 21.01.17 | 1-a rundă | Federico Iannaccone | Naoki Tajima | 0-6, 7-5, 6-2 | | detaliu meci | Australian Open | Hard |
| 07.03.16 | 1-a rundă de calif. | Tung-Lin Wu | Naoki Tajima | 6-4, 5-7, 6-4 | | detaliu meci | Japan F1 | Hard |
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