Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Akishima | 2019/06/12 01:00 | Sho Katayama v Kento Takeuchi | 6-0,6-4 |
| ITF M15 Guam | 2019/06/08 00:00 | Gengo Kikuchi v Kento Takeuchi | 6-2,7-5 |
| ITF M15 Guam | 2019/06/07 00:00 | Kento Takeuchi v Hugo Pontico | 6-4,6-4 |
| ITF M15 Guam | 2019/06/06 00:00 | Kento Takeuchi v Seungri Choi | 7-5,6-1 |
| ITF M15 Guam | 2019/06/05 00:00 | Kento Takeuchi v Mason Caldwell | 6-0,6-2 |
| ITF M15 Karuizawa | 2019/05/31 01:00 | Kento Takeuchi v Soichiro Moritani | 3-6,3-6 |
| ITF M15 Karuizawa | 2019/05/30 01:00 | Kento Takeuchi v Takuya Kumasaka | 5-7,6-2,6-4 |
| ITF M15 Karuizawa | 2019/05/28 01:00 | Kento Takeuchi v Sam Ryan Ziegann | 6-3,6-3 |
| ITF M25 Yinchuan | 2019/06/28 03:20 | Chien Hsun Lo v Takuto Niki | 3-6,6-4,0-6 |
| 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 |