Japan
07.07.92, 31 years
07.07.92, 31 years
Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
USA
15.06.93, 30 years
19894 $
15.06.93, 30 years
19894 $
Yohei Ono vs. Collin Johns - head to head matches
| 20.03.17 | q 1 | Collin Johns | Yohei Ono | 7-5, 6-2 | match details |  Japan F3 | Hard |
| 06.03.17 | q 1 | Yohei Ono | Collin Johns | 6-3, 4-6, 7-5 | match details | Japan F1 | Hard |
Yohei Ono form & Collin Johns form
Yohei Ono - last matches
| Japan F8 - Carpet | ||||
| 14.06.17 1st round | vs. Yuto Sakai | 5-7, 0-6 |  | match details |
| 12.06.17 qual. | vs. Hiromasa Oku | 6-3, 6-3 |  | match details |
| 12.06.17 q 1 | vs. Yuki Watanabe | 6-1, 6-3 | | match details |
| 12.06.17 q 2 | vs. Yuichiro Inui | 7-65, 6-2 | | match details |
| Japan F4 - Hard | ||||
| 27.03.17 q 1 | vs. Koichi Sano | 6-3, 6-1 | | match details |
| 27.03.17 q 2 | vs. Yusuke Yoshikawa | 4-6, 6-1, 6-3 | | match details |
| 27.03.17 qual. | vs. Tomohiro Masabayashi | 3-6, 2-6 | | match details |
| Japan F3 - Hard | ||||
| 20.03.17 q 1 | vs. Collin Johns | 5-7, 2-6 | | match details |
| Japan F1 - Hard | ||||
| 06.03.17 qual. | vs. Shinta Fujii | 5-7, 5-7 | | match details |
| 06.03.17 q 1 | vs. Collin Johns | 6-3, 4-6, 7-5 | | match details |
| 06.03.17 q 2 | vs. Yohei Otsuka | 6-3, 6-3 | | match details |
| Japan F3 - Hard | ||||
| 23.03.15 q 2 | vs. Tetsuro Habusawa | 6-1, 6-2 | | match details |
| 23.03.15 q 1 | vs. Tsubasa Oyama | 6-0, 6-1 | | match details |
| 23.03.15 qual. | vs. Akira Santillan | 3-6, 0-6 | | match details |
| Japan F2 - Hard | ||||
| 16.03.15 q 1 | vs. Ayumu Iwasaki | 6-2, 6-2 | | match details |
| 16.03.15 qual. | vs. Soichiro Moritani | 6-2, 2-6, 2-6 | | match details |
| Japan F1 - Hard | ||||
| 09.03.15 q 2 | vs. Masato Yuhara | 6-2, 6-2 | | match details |
| 09.03.15 qual. | vs. Ken Onishi | 2-6, 1-6 | | match details |
| 09.03.15 q 1 | vs. Masayoshi Ono | 6-4, 7-62 | | match details |
| Japan F7 - Carpet | ||||
| 16.06.14 2nd round | vs. Katsuki Nagao | 7-5, 7-5 | | match details |
| 16.06.14 1/4 | vs. Chih-Jen Ho | 4-6, 6-3, 6-2 | | match details |
| 16.06.14 1st round | vs. Junya Toyono | 6-0, 6-0 | | match details |
| 16.06.14 1/2 | vs. Hiromasa Oku | 2-6, 4-6 | | match details |
| Japan F6 - Hard | ||||
| 09.06.14 1st round | vs. Atsushi Ushida | 6-73, 4-6 | | match details |
| Japan F5 - Clay | ||||
| 02.06.14 1st round | vs. Gengo Kikuchi | 4-6, 2-6 | | match details |
| Japan F3 - Hard | ||||
| 24.03.14 1st round | vs. Sho Katayama | 2-6, 3-6 | | match details |
| 24.03.14 q 2 | vs. Go James Fukugaki | 6-1, 6-1 | | match details |
| 24.03.14 qual. | vs. Yuki Nakamura | 6-2, 6-1 | | match details |
| 24.03.14 q 1 | vs. Yusuke Yoshikawa | 6-3, 6-2 | | match details |
| Japan F2 - Hard | ||||
| 17.03.14 q 1 | vs. Yutaro Matsuzaki | 6-1, 5-7, 7-64 | | match details |
Collin Johns - last matches
 USA F18 - Clay | ||||
| 26.06.18 1st round | vs. Junior A. Ore | 4-6, 6-3, 3-6 | | match details |
| USA F16 - Clay | ||||
| 22.06.18 1/4 | vs. Gianni Ross | 4-6, 4-6 | | match details |
| 21.06.18 2nd round | vs. Isaiah Strode | 7-62, 6-1 | | match details |
| 20.06.18 1st round | vs. Maksim Tikhomirov | 6-2, 6-2 | | match details |
| USA F14 - Clay | ||||
| 12.06.18 1st round | vs. Markos Kalovelonis | 4-6, 3-6 | | match details |
| USA F12 - Clay | ||||
| 25.04.18 1st round | vs. Jordi Arconada | 2-6, 4-6 | | match details |
| USA F11 - Clay | ||||
| 17.04.18 1st round | vs. Ricardo Rodriguez-Pace | 3-6, 2-6 | | match details |
 Israel F3 - Hard | ||||
| 21.03.18 1st round | vs. Mor Bulis | 2-6, 3-6 | | match details |
| Israel F2 - Hard | ||||
| 11.03.18 q 1 | vs. Gilad Tamar | 0-4, - Collin Johns - retired | | match details |
| Israel F1 - Hard | ||||
| 06.03.18 1st round | vs. Yannick Vandenbulcke | 0-6, 3-6 | | match details |
| 05.03.18 qual. | vs. Motvey Radionov | 6-3, 6-4 | | match details |
| 04.03.18 q 2 | vs. Amit Cohen | 6-0, 6-0 | | match details |
| USA F6 - Clay | ||||
| 31.01.18 1st round | vs. Frederico Gil | 0-6, 2-6 | | match details |
| 30.01.18 qual. | vs. Juan Alejandro Hernandez | 6-1, 6-76, 6-73 | | match details |
| 28.01.18 q 1 | vs. Nestor Vargas | 6-0, 6-2 | | match details |
| 28.01.18 q 2 | vs. Alexandre Leblanc | 6-2, 6-3 | | match details |
| USA F3 - Clay | ||||
| 11.01.18 2nd round | vs. Javier Marti | 2-6, 4-6 | | match details |
| 09.01.18 1st round | vs. Aron Hiltzik | 6-1, 3-6, 6-1 | | match details |
 Dominican Republic - Hard | ||||
| 04.12.17 q 1 | vs. Brian Healy | 6-0, 6-0 | | match details |
| 04.12.17 qual. | vs. Lukas Greif | 6-4, 4-6, 0-2, - Collin Johns - retired | | match details |
| 04.12.17 q 2 | vs. Daniel Alonte | 6-0, 6-0 | | match details |
| Dominican Republic - Hard | ||||
| 30.11.17 1/4 | vs. Jose Hernandez-Fernandez | 2-6, 4-6 | | match details |
| 29.11.17 2nd round | vs. Lukas Greif | 6-3, 6-2 | | match details |
| 28.11.17 1st round | vs. Rowland Phillips | 6-3, 5-7, 6-2 | | match details |
| USA F37 - Clay | ||||
| 14.11.17 1st round | vs. William Grant | 4-6, 3-6 | | match details |
| USA F36 - Clay | ||||
| 08.11.17 1st round | vs. Matias Zukas | 4-6, 2-6 | | match details |
| 06.11.17 qual. | vs. Alberto Barroso Campos | 6-4, 6-3 | | match details |
| 06.11.17 q 1 | vs. Jakub Wojcik | 6-4, 6-1 | | match details |
| 06.11.17 q 2 | vs. Arnav Dhingra | 6-3, 6-0 | | match details |
 Romania F12 - Clay | ||||
| 30.08.17 1st round | vs. Franco Agamenone | 4-6, 1-6 | | match details |