Onishi, Ken 2-6,5-7 Yosuke Watanuki 2017-03-30 01:00
Round: 26 Ground: Hardcourt outdoor
Face à face
| ITF Japan F4 | 2016/03/27 01:00 | Yosuke Watanuki v Onishi, Ken | 6-2,7-6 |
Home History
| ITF Japan F4 | 2017/03/29 01:00 | Masaya Kobayashi v Onishi, Ken | 4-6,6-7 |
| Bangkok-2, Thailand, Qualifying | 2017/01/07 08:15 | Onishi, Ken v Wang, Jimmy | 1-6,4-6 |
| ITF Hong Kong F1 | 2017/01/05 02:00 | Onishi, Ken v Niki, Takuto | 4-6,1-6 |
| ITF Hong Kong F1 | 2017/01/04 04:50 | Onishi, Ken v Yeung, Pak Long | 6-4,6-2 |
| ITF Hong Kong F1 | 2017/01/02 02:00 | Onishi, Ken v Hung, Jui-Chen | 6-3,7-5 |
| ITF Hong Kong F5 | 2016/12/27 23:00 | Jumpei Yamasaki v Onishi, Ken | 7-6,6-4 |
| ITF Hong Kong F5 | 2016/12/26 23:00 | Wei-De Lin v Onishi, Ken | 6-7,3-6 |
| Others | 2016/11/12 02:10 | Onishi, Ken v Onozawa, Arata | 3-6,4-6 |
Away History
| ITF Japan F4 | 2017/03/29 01:00 | Sasai, Masaki v Yosuke Watanuki | 7-5,3-6,1-6 |
| ITF Japan F3 | 2017/03/20 04:00 | Jeamoon Lee v Yosuke Watanuki | 6-3,2-6,6-0 |
| Challenger Yokohama | 2017/02/28 01:00 | Yosuke Watanuki v Zhang, Ze | 3-6,0-6 |
| Kyoto, Japan | 2017/02/24 06:00 | Yosuke Watanuki v Kavcic, Blaz | 4-6,6-2,4-6 |
| Kyoto, Japan | 2017/02/22 08:10 | Bemelmans, Ruben v Yosuke Watanuki | 6-1,4-6,6-7 |
| Kyoto, Japan | 2017/02/20 06:25 | Joris De Loore v Yosuke Watanuki | 4-6,6-3,6-7 |
| Challenger Toyota | 2016/11/16 02:15 | Tatsuma Ito v Yosuke Watanuki | 6-4,6-4 |
| Challenger Toyota | 2016/11/15 01:00 | Yosuke Watanuki v Pavic, Ante | 6-3,6-3 |