Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| Taipei, Singles M-ITF-TPE-01A | 2019/07/23 02:00 | Taisei Ichikawa v Seita Watanabe | 5-7,4-6 |
| Taipei, Singles M-ITF-TPE-01A | 2019/07/17 02:00 | Yan Bai v Seita Watanabe | 6-0,6-2 |
| Taipei, Singles M-ITF-TPE-01A | 2019/07/16 03:50 | Ren Nakamura v Seita Watanabe | 6-4,4-6,5-10 |
| Taipei, Singles M-ITF-TPE-01A | 2019/07/15 04:30 | Tsai, Mu Fu v Seita Watanabe | 0-6,0-6 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/18 03:20 | Seita Watanabe v Im, Seong Taek | 3-6,7-6,12-14 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/12 03:20 | Oh, Seong-Gook v Seita Watanabe | 6-7,6-2,6-3 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/11 02:50 | Seita Watanabe v Lim, Hyung-Chan | 6-4,6-0 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/10 02:00 | Seita Watanabe v Han, Jin Sung | 6-1,6-2 |
| Taipei, Singles M-ITF-TPE-01A | 2019/07/16 05:15 | Lo, Chien Hsun v Yu Hsiou Hsu | 2-6,6-4,2-6 |
| Yinchuan, Simples M-ITF-CHN-11A | 2019/06/28 03:20 | Lo, Chien Hsun v Niki, Takuto | 3-6,6-4,0-6 |
| Hengyang, Simples M-ITF-CHN-10A | 2019/06/21 02:00 | Tsung-Hao Huang v Lo, Chien Hsun | 6-3,6-2 |
| Hengyang, Simples M-ITF-CHN-10A | 2019/06/20 03:35 | Zhou, Sheng Hao v Lo, Chien Hsun | 4-6,6-4,1-6 |
| Hengyang, Simples M-ITF-CHN-10A | 2019/06/19 06:00 | Wei-De Lin v Lo, Chien Hsun | 6-3,2-6,3-6 |
| ITF - M15 Héraklion | 2019/05/29 11:20 | Kalovelonis, Markos v Lo, Chien Hsun | 6-3,7-6 |
| ITF - M15 Héraklion | 2019/05/21 08:35 | Nema, Patrik v Lo, Chien Hsun | 6-4,6-3 |
| Nanchang, China | 2019/04/22 04:00 | Akira Santillan v Lo, Chien Hsun | 6-1,6-2 |