Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Hengyang | 2019/06/21 02:00 | Tsung-Hao Huang v Chien Hsun Lo | 6-3,6-2 |
| ITF M25 Hengyang | 2019/06/20 03:35 | Sheng Hao Zhou v Chien Hsun Lo | 4-6,6-4,1-6 |
| ITF M25 Hengyang | 2019/06/19 06:00 | Wei-De Lin v Chien Hsun Lo | 6-3,2-6,3-6 |
| ITF M15 Heraklion | 2019/05/29 11:20 | Markos Kalovelonis v Chien Hsun Lo | 6-3,7-6 |
| ITF M15 Heraklion | 2019/05/21 08:35 | Patrik Nema v Chien Hsun Lo | 6-4,6-3 |
| Challenger Nanchang | 2019/04/22 04:00 | Akira Santillan v Chien Hsun Lo | 6-1,6-2 |
| Challenger Taipei | 2019/04/11 06:30 | Ramkumar Ramanathan v Chien Hsun Lo | 4-6,6-3,6-2 |
| Challenger Taipei | 2019/04/08 09:40 | Collin Altamirano v Chien Hsun Lo | 5-7,7-5,3-6 |
| ITF M15 Gimcheon | 2019/06/21 01:00 | Yuta Shimizu v Takuto Niki | 6-2,7-6 |
| ITF M15 Gimcheon | 2019/06/20 04:05 | Seon Yong Han v Takuto Niki | 4-6,2-6 |
| ITF M15 Gimcheon | 2019/06/19 02:30 | Conor Berg v Takuto Niki | 4-6,1-6 |
| ITF M15 Gimcheon | 2019/06/12 01:00 | Takuto Niki v Young-Hoon Jeong | 4-6,6-7 |
| ITF M15 Daegu | 2019/06/05 05:00 | Young Seok Kim v Takuto Niki | 6-4,6-3 |
| ITF M15 Singapore | 2019/05/29 02:00 | Jatin Dahiya v Takuto Niki | 1-6,4-6 |
| ITF M25 Luan | 2019/05/17 06:30 | Wishaya Trongcharoenchaikul v Takuto Niki | 7-6,4-6,7-6 |
| ITF M25 Luan | 2019/05/16 03:30 | Kento Takeuchi v Takuto Niki | 4-6,7-6,1-6 |