Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Hua Hin | 2019/08/28 03:00 | Seong Chan Hong v Taisei Ichikawa | 6-4,6-3 |
| ITF M15 Hua Hin | 2019/08/22 04:25 | Taisei Ichikawa v Yu Hsiou Hsu | 6-2,2-6,3-6 |
| ITF M15 Hua Hin | 2019/08/21 03:00 | Taisei Ichikawa v Thantub Suksumrarn | 6-7,6-4,6-2 |
| ITF M25 Taipei | 2019/07/23 02:00 | Taisei Ichikawa v Seita Watanabe | 5-7,4-6 |
| ITF M25 Taipei | 2019/07/22 02:00 | Taisei Ichikawa v Jeffrey Hsu | 6-2,2-6,12-10 |
| ITF M25 Taipei | 2019/07/19 02:00 | Taisei Ichikawa v Rio Noguchi | 2-6,6-7 |
| ITF M25 Taipei | 2019/07/18 02:00 | Makoto Ochi v Taisei Ichikawa | 1-6,2-6 |
| ITF M25 Taipei | 2019/07/16 03:20 | Taisei Ichikawa v Arturs Lazdins | 6-1,6-2 |
| ITF M15 Hua Hin | 2019/08/28 03:00 | Issei Okamura v Soichiro Moritani | 6-4,3-6,6-3 |
| ITF M15 Hua Hin | 2019/08/22 04:15 | Soichiro Moritani v Chukang Wang | 3-6,1-6 |
| ITF M15 Hua Hin | 2019/08/21 03:00 | Ko Suzuki v Soichiro Moritani | 4-6,4-6 |
| ITF M15 Jakarta | 2019/08/13 05:05 | Soichiro Moritani v Aaron Schmid | 3-6,3-6 |
| ITF M15 Jakarta | 2019/08/12 02:30 | Soichiro Moritani v Jesse Delaney | 6-3,6-0 |
| ITF M15 Jakarta | 2019/08/09 02:30 | Takashi Saito v Soichiro Moritani | 6-2,4-6,6-0 |
| ITF M15 Jakarta | 2019/08/08 03:50 | Soichiro Moritani v Niki Kaliyanda Poonacha | 7-6,7-6 |
| ITF M15 Jakarta | 2019/08/07 05:50 | Soichiro Moritani v Karunuday Singh | 7-5,6-2 |