Stadium: Show court Round: 25 Ground: Hardcourt outdoor
| ITF M25 Taipei | 2019/07/17 03:35 | Li-Wei Tan v Shao-Fan Liu | 1-6,6-3,1-6 |
| ITF M25 Qujing | 2019/07/10 05:55 | Fajing Sun v Li-Wei Tan | 6-2,6-0 |
| ITF - Yinchuan M25 | 2019/06/28 06:40 | Li-Wei Tan v Fajing Sun | 0-6,4-6 |
| ITF - Yinchuan M25 | 2019/06/28 02:40 | Li-Wei Tan v Sheng Hao Zhou | 6-3,6-2 |
| ITF M25 Hengyang | 2019/06/19 04:35 | Shintaro Imai v Li-Wei Tan | 6-4,6-0 |
| ITF M25 Shenzhen | 2019/06/13 03:30 | Yuanfeng Li v Li-Wei Tan | 6-4,3-6,6-3 |
| ITF M25 Shenzhen | 2019/06/11 08:15 | Li-Wei Tan v Harry Bourchier | 6-3,2-6,6-2 |
| ITF Hongkong - M25 | 2019/06/04 05:00 | Li-Wei Tan v William Ma | 5-7,2-6 |
| ITF M25 Qujing | 2019/07/12 03:50 | Kento Takeuchi v Yan Bai | 1-6,1-6 |
| ITF M25 Qujing | 2019/07/11 03:40 | Jie Cui v Kento Takeuchi | 4-6,1-6 |
| 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 - Karuizawa M15 | 2019/05/31 01:00 | Kento Takeuchi v Soichiro Moritani | 3-6,3-6 |