Nume: Collin Johns
Ţara: USA
Data naşterii: 15.06.93, 30 Vârsta
Premii: 19894 $
Total meciuri: 213
Victorii: 99
Succes: 46.48 %
Ţara: USA
Data naşterii: 15.06.93, 30 Vârsta
Premii: 19894 $
Total meciuri: 213
Victorii: 99
Succes: 46.48 %
| an | sumar | Hard | Zgura | In. Hard | Carpet | Iarbă | Acryl |
| 2018 | 7/11 | 2/3 | 5/8 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2017 | 28/20 | 10/7 | 18/13 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2016 | 29/30 | 26/23 | 3/7 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2015 | 11/21 | 11/16 | 0/5 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2014 | 16/21 | 13/14 | 3/6 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2013 | 8/11 | 5/6 | 3/5 | 0/0 | 0/0 | 0/0 | 0/0 |
| ÎN TOTAL | 99/114 | 67/69 | 32/44 | 0/1 | 0/0 | 0/0 | 0/0 |
| succes % | 46.48 % | 49.26 % | 42.11 % | 0 % | 0 % | 0 % | 0 % |
Collin Johns / nejucate / ultimele
| nu a fost găsit nici un meci |
Collin Johns form / an 2017
Collin Johns / an 2017
| 04.12.17 | Calificare | Lukas Greif | Collin Johns | 4-6, 6-4, 2-0, Collin Johns - retragere |  | detaliu meci |  Dominican Republic | Hard |
| 04.12.17 | 1-a rundă de calif. | Collin Johns | Brian Healy | 6-0, 6-0 |  | detaliu meci | ||
| 04.12.17 | 2-a rundă de calif. | Collin Johns | Daniel Alonte | 6-0, 6-0 | | detaliu meci | ||
| 30.11.17 | Sfert de finală | Jose Hernandez-Fernandez | Collin Johns | 6-2, 6-4 | | detaliu meci | Dominican Republic | Hard |
| 29.11.17 | a 2-a rundă | Collin Johns | Lukas Greif | 6-3, 6-2 | | detaliu meci | ||
| 28.11.17 | 1-a rundă | Collin Johns | Rowland Phillips | 6-3, 5-7, 6-2 | | detaliu meci | ||
| 14.11.17 | 1-a rundă | William Grant | Collin Johns | 6-4, 6-3 | | detaliu meci |  USA F37 | Zgura |
| 08.11.17 | 1-a rundă | Matias Zukas | Collin Johns | 6-4, 6-2 | | detaliu meci | USA F36 | Zgura |
| 06.11.17 | 2-a rundă de calif. | Collin Johns | Arnav Dhingra | 6-3, 6-0 | | detaliu meci | ||
| 06.11.17 | Calificare | Collin Johns | Alberto Barroso Campos | 6-4, 6-3 | | detaliu meci | ||
| 06.11.17 | 1-a rundă de calif. | Collin Johns | Jakub Wojcik | 6-4, 6-1 | | detaliu meci | ||
| 30.08.17 | 1-a rundă | Franco Agamenone | Collin Johns | 6-4, 6-1 | | detaliu meci |  Romania F12 | Zgura |
| 21.08.17 | 1-a rundă de calif. | Collin Johns | Karan Lalchandani | 6-0, 6-1 | | detaliu meci | Romania F11 | Zgura |
| 21.08.17 | Calificare | Antonin Bolardt | Collin Johns | 1-6, 6-4, 6-2 | | detaliu meci | ||
| 21.08.17 | 2-a rundă de calif. | Collin Johns | George Iulian Dina | 6-2, 6-2 | | detaliu meci | ||
| 16.08.17 | 1-a rundă | Petru-Alexandru Luncanu | Collin Johns | 6-3, 7-66 | | detaliu meci | Romania F10 | Zgura |
| 30.06.17 | Sfert de finală | Mikael Torpegaard | Collin Johns | 6-2, 5-7, 6-1 | | detaliu meci | USA F22 | Zgura |
| 28.06.17 | a 2-a rundă | Collin Johns | Thai Kwiatkowski | Thai Kwiatkowski - nu s-a prezentat | | detaliu meci | ||
| 28.06.17 | 1-a rundă | Collin Johns | Ansel Bivens | 6-0, 6-1 | | detaliu meci | ||
| 26.06.17 | 2-a rundă de calif. | Collin Johns | Yang Liu | 6-1, 6-2 | | detaliu meci | ||
| 26.06.17 | Calificare | Collin Johns | Cannon Kingsley | 6-2, 6-2 | | detaliu meci | ||
| 26.06.17 | 1-a rundă de calif. | Collin Johns | Jonathan Baker | 6-1, 6-2 | | detaliu meci | ||
| 22.06.17 | a 2-a rundă | Kaichi Uchida | Collin Johns | 4-6, 7-5, 6-3 | | detaliu meci | USA F20 | Zgura |
| 21.06.17 | 1-a rundă | Collin Johns | John Speicher | 6-2, 6-1 | | detaliu meci | ||
| 14.06.17 | 1-a rundă | Shawn H. Hadavi | Collin Johns | 2-6, 6-3, 6-3 | | detaliu meci | USA F18 | Zgura |
| 02.05.17 | 1-a rundă | Genaro Alberto Olivieri | Collin Johns | 6-4, 6-4 | | detaliu meci | USA F16 | Zgura |
| 27.04.17 | a 2-a rundă | Marcus Willis | Collin Johns | 6-4, 6-3 | | detaliu meci | USA F15 | Zgura |
| 26.04.17 | 1-a rundă | Collin Johns | Vasil Kirkov | 6-1, 6-1 | | detaliu meci | ||
| 24.04.17 | Collin Johns | Tomas Stillman | 6-1, 6-3 | | detaliu meci | |||
| 24.04.17 | Calificare | Alexandre Rotsaert | Collin Johns | 6-4, 6-1 | | detaliu meci | ||
| 24.04.17 | 1-a rundă de calif. | Collin Johns | Sage Leaman | 6-4, 6-3 | | detaliu meci | ||
| 24.04.17 | 2-a rundă de calif. | Collin Johns | Haydn Lewis | 6-2, 6-1 | | detaliu meci | ||
| 15.04.17 | 1-a rundă de calif. | Blaz Rola | Collin Johns | 6-0, 3-6, 6-2 | | detaliu meci | Sarasota Challenger | Zgura |
| 03.04.17 | 1-a rundă | Yusuke Takahashi | Collin Johns | 6-3, 6-1 | | detaliu meci |  Japan F5 | Hard |
| 27.03.17 | Calificare | Kaito Itsusaki | Collin Johns | 6-2, 2-6, 6-4 | | detaliu meci | Japan F4 | Hard |
| 27.03.17 | 1-a rundă de calif. | Collin Johns | Seiya Nakanishi | 6-2, 6-1 | | detaliu meci | ||
| 27.03.17 | 2-a rundă de calif. | Collin Johns | Hidetoshi Owada | 3-6, 6-3, 7-5 | | detaliu meci | ||
| 22.03.17 | 1-a rundă | Yusuke Watanuki | Collin Johns | 6-3, 6-1 | | detaliu meci | Japan F3 | Hard |
| 20.03.17 | Calificare | Collin Johns | Takuya Komura | 6-2, 6-2 | | detaliu meci | ||
| 20.03.17 | 1-a rundă de calif. | Collin Johns | Yohei Ono | 7-5, 6-2 | | detaliu meci | ||
| 20.03.17 | 2-a rundă de calif. | Collin Johns | Keigo Shimizu | 6-4, 6-1 | | detaliu meci | ||
| 13.03.17 | 2-a rundă de calif. | Collin Johns | Seiya Nakanishi | 6-4, 6-1 | | detaliu meci | Japan F2 | Hard |
| 13.03.17 | Calificare | Koichi Sano | Collin Johns | 7-5, 4-6, 6-4 | | detaliu meci | ||
| 06.03.17 | 1-a rundă de calif. | Yohei Ono | Collin Johns | 6-3, 4-6, 7-5 | | detaliu meci | Japan F1 | Hard |
| 27.02.17 | 2-a rundă de calif. | Collin Johns | Ty Trombetta | 2-6, 6-1, 6-4 | | detaliu meci | USA F9 | Zgura |
| 27.02.17 | Calificare | Ricardo Rodriguez-Pace | Collin Johns | 6-2, 7-63 | | detaliu meci | ||
| 27.02.17 | Collin Johns | Graham Alrutz | 6-3, 6-2 | | detaliu meci | |||
| 27.02.17 | 1-a rundă de calif. | Collin Johns | Mac Kiger | 6-1, 6-2 | | detaliu meci |
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