Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Taipei | 2019/07/24 03:50 | Jesse Delaney v Jonathan Mridha | 4-6,2-6 |
| ITF M25 Taipei | 2019/07/17 04:25 | Jonathan Mridha v Cheng-Yu Yu | 2-6,1-6 |
| ITF M25 Qujing | 2019/07/12 02:00 | Fajing Sun v Jonathan Mridha | 7-6,6-1 |
| ITF M25 Qujing | 2019/07/11 02:00 | Jonathan Mridha v Chuhan Wang | 5-7,6-3,6-2 |
| ITF M25 Qujing | 2019/07/10 06:20 | Haoyuan Huang v Jonathan Mridha | 3-6,3-6 |
| ITF M25 Kunshan | 2019/07/06 01:30 | Tsung-Hua Yang v Jonathan Mridha | 6-2,6-4 |
| ITF M25 Kunshan | 2019/07/05 01:30 | Jonathan Mridha v Shinji Hazawa | 4-6,6-1,6-4 |
| ITF M25 Kunshan | 2019/07/04 02:55 | Jonathan Mridha v Pak Long Yeung | 6-4,6-1 |
| ITF M25 Taipei | 2019/07/24 02:00 | Seita Watanabe v Chien Hsun Lo | 6-2,6-2 |
| ITF M25 Taipei | 2019/07/23 02:00 | Taisei Ichikawa v Seita Watanabe | 5-7,4-6 |
| ITF M25 Taipei | 2019/07/17 02:00 | Yan Bai v Seita Watanabe | 6-0,6-2 |
| ITF M25 Taipei | 2019/07/16 03:50 | Ren Nakamura v Seita Watanabe | 6-4,4-6,5-10 |
| ITF M25 Taipei | 2019/07/15 04:30 | Mu Fu Tsai v Seita Watanabe | 0-6,0-6 |
| ITF M15 Gimcheon | 2019/06/18 03:20 | Seita Watanabe v Seong Taek Im | 3-6,7-6,12-14 |
| ITF M15 Gimcheon | 2019/06/12 03:20 | Seong-Gook Oh v Seita Watanabe | 6-7,6-2,6-3 |
| ITF M15 Gimcheon | 2019/06/11 02:50 | Seita Watanabe v Hyung-Chan Lim | 6-4,6-0 |