Yosuke Watanuki 6-4,5-7,6-0 Shuichi Sekiguchi 2017-06-09 01:00
Round: 27 Ground: Synthetic outdoor
Home History
| ITF Japan F7 | 2017/06/07 04:00 | Shintaro Imai v Yosuke Watanuki | 7-6,3-6,1-6 |
| ITF Japan F7 | 2017/06/05 02:25 | Yosuke Watanuki v Ibuki Furuta | 6-1,6-4 |
| ITF Japan F6 | 2017/05/29 04:00 | Yosuke Watanuki v Kaito Itsusaki | 1-6,7-6,1-6 |
| Challenger Savannah Qual | 2017/04/29 14:00 | Yosuke Watanuki v Damon Gooch | 6-7,3-6 |
| Challenger Tallahassee Qual | 2017/04/24 16:05 | Yosuke Watanuki v Rubin Statham | 3-6,3-6 |
| Challenger Tallahassee Qual | 2017/04/23 17:55 | Joao Pedro Sorgi v Yosuke Watanuki | 6-4,5-7,5-7 |
| Challenger Tallahassee Qual | 2017/04/22 21:25 | Yosuke Watanuki v Benjamin Lock | 6-2,6-2 |
| ITF USA F14 | 2017/04/18 14:00 | Lukas Ollert v Yosuke Watanuki | 6-4,7-6 |
Away History
| ITF Japan F7 | 2017/06/07 06:40 | Yuki Matsuo v Shuichi Sekiguchi | 4-6,2-6 |
| ITF Japan F7 | 2017/06/05 04:10 | Hiroyasu Ehara v Shuichi Sekiguchi | 2-6,1-6 |
| ITF Japan F6 | 2017/05/31 01:00 | Gengo Kikuchi v Shuichi Sekiguchi | 6-4,6-2 |
| ITF Japan F6 | 2017/05/29 05:55 | Yuki Mochizuki v Shuichi Sekiguchi | 3-6,4-6 |
| Challenger Seoul | 2017/05/09 04:00 | Duckhee Lee v Shuichi Sekiguchi | 6-0,6-3 |
| Challenger Seoul Qual | 2017/05/08 02:00 | Lloyd Glasspool v Shuichi Sekiguchi | 3-6,3-6 |
| Challenger Seoul Qual | 2017/05/07 04:20 | Makoto Ochi v Shuichi Sekiguchi | 1-6,1-6 |
| Challenger Seoul Qual | 2017/05/06 06:05 | Yu-Seob Kim v Shuichi Sekiguchi | 1-6,4-6 |