[218] Yan Bai 3-6,1-6 Yosuke Watanuki [302] 2019-10-23 07:30
Stadium: Court G Round: 25 Ground: Hardcourt indoor
Home History
| Challenger Liuzhou | 2019/10/22 03:15 | Borna Gojo v Yan Bai | 7-6,6-0 |
| ITF M25 Tay Ninh | 2019/10/11 05:00 | Yan Bai v Naoki Nakagawa | 6-2,7-5 |
| ITF M25 Tay Ninh | 2019/10/10 02:00 | Yan Bai v Shintaro Mochizuki | 6-2,6-2 |
| ITF M25 Tay Ninh | 2019/10/09 05:00 | Yan Bai v Nam Hoang Ly | 6-4,7-6 |
| ITF M25 Tay Ninh | 2019/10/05 10:35 | Yan Bai v Nam Hoang Ly | 6-7,6-4,4-6 |
| ITF M25 Tay Ninh | 2019/10/04 08:00 | Yan Bai v Rimpei Kawakami | 3-6,6-3,6-2 |
| ITF M25 Tay Ninh | 2019/10/03 03:30 | Yan Bai v Sidharth Rawat | 6-1,6-3 |
| ITF M25 Tay Ninh | 2019/10/02 06:45 | Yan Bai v Pavel Shchaya-Zubrov | 6-0,6-1 |
Away History
| Challenger Traralgon | 2019/10/22 00:35 | Yosuke Watanuki v Tristan Schoolkate | 6-4,6-2 |
| Challenger Ningbo | 2019/10/16 03:20 | Yosuke Watanuki v Bradley Klahn | 7-6,2-6,3-6 |
| Challenger Ningbo | 2019/10/15 04:15 | Yosuke Watanuki v Sidharth Rawat | 6-4,4-6,6-3 |
| ATP Tokyo | 2019/09/28 05:15 | Yosuke Watanuki v Alexei Popyrin | 6-4,1-6,4-6 |
| Challenger Kaohsiung | 2019/09/18 07:15 | Frederico Ferreira Silva v Yosuke Watanuki | 7-6,1-6,6-3 |
| US Open | 2019/08/21 15:00 | Steven Diez v Yosuke Watanuki | 6-2,5-7,6-0 |
| US Open | 2019/08/19 18:10 | Yosuke Watanuki v Ernests Gulbis | 6-2,6-1 |
| Challenger Vancouver | 2019/08/12 22:20 | Go Soeda v Yosuke Watanuki | 7-6,6-2 |