Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Wuhan | 2019/05/06 02:00 | Issei Okamura v Bingyu Yu | 6-1,6-2 |
| ITF M15 Hua Hin | 2019/08/29 04:05 | Issei Okamura v Yu Hsiou Hsu | 2-6,0-6 |
| ITF M15 Hua Hin | 2019/08/28 03:00 | Issei Okamura v Soichiro Moritani | 6-4,3-6,6-3 |
| ITF M15 Hua Hin | 2019/08/21 09:00 | Issei Okamura v Yu Hsiou Hsu | 2-6,1-6 |
| Challenger Yokkaichi | 2019/08/05 06:20 | Issei Okamura v Jie Cui | 3-6,3-6 |
| Challenger Chengdu | 2019/07/29 10:45 | Issei Okamura v Yusuke Takahashi | 1-6,2-6 |
| Challenger Granby | 2019/07/22 14:00 | Issei Okamura v Takanyi Garanganga | 4-6,4-6 |
| Challenger Winnipeg | 2019/07/08 16:00 | Issei Okamura v Justin Boulais | 2-6,5-7 |
| ITF M15 Daegu | 2019/06/05 03:55 | Seita Watanabe v Issei Okamura | 6-4,7-6 |
| ITF M15 Hua Hin | 2019/08/27 05:45 | Bingyu Yu v Seita Watanabe | 2-6,2-6 |
| ITF M15 Hua Hin | 2019/08/19 04:35 | Anirudh Chandrasekar v Bingyu Yu | 6-3,6-4 |
| ITF M25 Qujing | 2019/07/10 02:00 | Rhett Purcell v Bingyu Yu | 2-6,7-5,7-6 |
| ITF M25 Qujing | 2019/07/09 03:45 | Bingyu Yu v Guan Kai Wang | 7-5,6-3 |
| ITF M25 Kunshan | 2019/07/04 03:50 | Bingyu Yu v Shinji Hazawa | 1-6,1-6 |
| ITF M25 Kunshan | 2019/07/03 01:30 | Aizezi Yusupuaili v Bingyu Yu | 3-6,6-7 |
| ITF M25 Kunshan | 2019/07/02 06:25 | Bingyu Yu v Xin Hu | 6-2,6-3 |
| ITF M25 Kunshan | 2019/07/01 10:40 | Bingyu Yu v Yuchen Wu | 6-2,7-5 |