Stadium: Court A Round: 27 Ground: Hardcourt outdoor
| 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 |
| ATP Chengdu | 2019/09/23 09:00 | Daniel Evans v Yan Bai | 6-3,4-6,7-6 |
| Davis Cup | 2019/09/15 04:00 | Yan Bai v Soonwoo Kwon | 3-6,4-6 |
| ITF M25 Tay Ninh | 2019/10/10 02:00 | Alexey Zakharov v Naoki Nakagawa | 4-6,7-6,5-7 |
| ITF M25 Tay Ninh | 2019/10/08 03:45 | Naoki Nakagawa v Shintaro Imai | 6-2,6-1 |
| ITF M25 Tay Ninh | 2019/10/03 02:00 | Yusuke Takahashi v Naoki Nakagawa | 6-4,6-3 |
| ITF M25 Tay Ninh | 2019/10/02 02:00 | Credit Chaiyarin v Naoki Nakagawa | 4-6,0-6 |
| ITF M15 Cancun | 2019/09/13 21:15 | Gage Brymer v Naoki Nakagawa | 6-3,6-2 |
| ITF M15 Cancun | 2019/09/12 17:00 | Naoki Nakagawa v Alejandro Mendoza | 6-3,6-2 |
| ITF M15 Cancun | 2019/09/11 18:15 | Naoki Nakagawa v Matt Kuhar | 6-3,4-6,6-2 |
| ITF M15 Cancun | 2019/08/29 16:20 | Naoki Nakagawa v Jose Olivares | 7-6,3-6,4-6 |