Masaki Sasai 7-5,3-6,1-6 Yosuke Watanuki 2017-03-29 01:00
Round: 25 Ground: Hardcourt outdoor
Head to Head
| ITF Japan F6 | 2015/06/11 01:00 | Yosuke Watanuki v Masaki Sasai | 3-6,2-6 |
Home History
| ITF Japan F4 | 2017/03/28 01:00 | Masaki Sasai v Teppei Uesugi | 6-3,6-2 |
| ITF Japan F3 | 2017/03/18 06:00 | Hiroyasu Ehara v Masaki Sasai | 6-3,6-4 |
| ITF Japan F2 | 2017/03/17 04:00 | Masaki Sasai v Max Purcell | 3-6,2-6 |
| ITF Japan F2 | 2017/03/16 02:00 | Shintaro Imai v Masaki Sasai | 6-7,3-6 |
| ITF Japan F2 | 2017/03/14 07:45 | Masaki Sasai v Wishaya Trongcharoenchaikul | 6-3,6-3 |
| ITF Japan F2 | 2017/03/12 01:00 | Yusei Fukuoka v Masaki Sasai | 1-6,1-6 |
| ITF Japan F1 | 2017/03/08 03:55 | Peter Kobelt v Masaki Sasai | 4-6,6-4,6-1 |
| ITF Japan F1 | 2017/03/06 01:00 | Zhaoyi Cao v Masaki Sasai | 0-6,1-6 |
Away History
| 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 |
| Challenger Toyota | 2016/11/15 01:00 | Yosuke Watanuki v Ante Pavic | 6-3,6-3 |
| Challenger Kobe | 2016/11/10 02:00 | Yosuke Watanuki v Duckhee Lee | 1-6,2-6 |