Seong Chan Hong 7-5,6-4 Yosuke Watanuki 2017-03-31 02:30
Round: 27 Ground: Hardcourt outdoor
Home History
| ITF Japan F4 | 2017/03/30 01:00 | Seong Chan Hong v Gengo Kikuchi | 6-3,6-3 |
| ITF Japan F4 | 2017/03/28 03:00 | Seong Chan Hong v Yuta Shimizu | 6-2,7-6 |
| ITF Turkey F8 | 2017/02/27 07:00 | Sarp Agabigun v Seong Chan Hong | 1-6,7-6,7-5 |
| ITF Turkey F7 | 2017/02/24 10:20 | Cem Ilkel v Seong Chan Hong | 6-7,6-4,7-5 |
| ITF Turkey F7 | 2017/02/23 10:05 | Martins Podzus v Seong Chan Hong | 2-6,5-7 |
| ITF Turkey F7 | 2017/02/21 10:35 | Maksim Tikhomirov v Seong Chan Hong | 1-6,3-6 |
| ITF Turkey F6 | 2017/02/16 08:00 | Seong Chan Hong v Felipe Mantilla | 2-6,3-6 |
| ITF Turkey F6 | 2017/02/14 08:30 | Seong Chan Hong v Ivan Davydov | 6-3,6-0 |
Away History
| ITF Japan F4 | 2017/03/30 01:00 | Ken Onishi v Yosuke Watanuki | 2-6,5-7 |
| ITF Japan F4 | 2017/03/29 01:00 | Masaki Sasai 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 Ze Zhang | 3-6,0-6 |
| Challenger Kyoto | 2017/02/24 06:00 | Yosuke Watanuki v Blaz Kavcic | 4-6,6-2,4-6 |
| Challenger Kyoto | 2017/02/22 08:10 | Ruben Bemelmans v Yosuke Watanuki | 6-1,4-6,6-7 |
| Challenger Kyoto | 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 |