Yosuke Watanuki 6-4,6-3 Tanuma, Ryota 2018-03-31 02:30
Round: 28 Ground: Hardcourt outdoor
Home History
| ITF Japan F4 | 2018/03/30 03:30 | Katayama, Sho v Yosuke Watanuki | 4-6,4-6 |
| ITF Japan F4 | 2018/03/29 04:20 | Tung-Lin Wu v Yosuke Watanuki | 4-6,7-5,6-7 |
| Challenger Yokohama | 2018/02/27 05:35 | Nguyen, Daniel v Yosuke Watanuki | 6-2,6-4 |
| Kyoto, Japan | 2018/02/19 04:50 | Soeda, Go v Yosuke Watanuki | 7-6,0-6,7-6 |
| Challenger Canberra | 2018/01/08 01:15 | Yosuke Watanuki v Mayer, Florian (1983) | 7-5,1-6,4-6 |
| Open d'Australie Playoff Wilcard Australienne | 2017/11/30 03:15 | Yosuke Watanuki v Li, Zhe | 3-6,2-6 |
| Challenger Toyota | 2017/11/14 04:15 | Yosuke Watanuki v Yasutaka Uchiyama | 4-6,4-6 |
| Challenger Kobe | 2017/11/10 04:40 | Yosuke Watanuki v Soonwoo Kwon | 7-5,3-6,5-7 |
Away History
| ITF Japan F4 | 2018/03/30 01:00 | Tanuma, Ryota v Ehara, Hiroyasu | 6-3,4-6,6-4 |
| ITF Japan F4 | 2018/03/29 01:00 | Sora Fukuda v Tanuma, Ryota | 7-6,1-6,4-6 |
| ITF Japan F4 | 2018/03/28 01:00 | Tanuma, Ryota v Rigele Te | 7-5,6-4 |
| ITF Japan F4 | 2018/03/26 01:00 | Tanuma, Ryota v Matsuo, Yuki | 6-2,6-1 |
| ITF Japan F4 | 2018/03/25 01:00 | Tanuma, Ryota v Wei-De Lin | 6-1,7-6 |
| ITF Japan F4 | 2018/03/24 00:00 | Tanuma, Ryota v Shimizu, Kazuki | 6-2,6-1 |
| ITF Japan F3 | 2018/03/22 06:55 | Tatsuma Ito v Tanuma, Ryota | 6-7,6-2,6-1 |
| ITF Japan F3 | 2018/03/22 03:00 | Tanuma, Ryota v Sora Fukuda | 6-3,6-2 |