Stadium: Court F Round: 26 Ground: Hardcourt indoor
| Challenger Kaohsiung | 2019/09/16 06:30 | Shintaro Imai v Renta Tokuda | 3-6,4-6 |
| ITF - M25 Nonthaburi | 2019/08/03 04:35 | Renta Tokuda v Shintaro Imai | 6-4,7-5 |
| ITF Indonesia F7 | 2017/11/24 06:30 | Shintaro Imai v Renta Tokuda | 1-6,1-6 |
| Challenger - Kobe | 2019/11/05 02:50 | Duckhee Lee v Shintaro Imai | 4-6,2-6 |
| Challenger - Kobe | 2019/11/04 07:00 | Shintaro Imai v Seita Watanabe | 6-4,6-2 |
| Challenger Ningbo | 2019/10/14 05:55 | Shintaro Imai v Fajing Sun | 4-6,4-6 |
| ITF - M25 Tay Ninh | 2019/10/08 03:45 | Naoki Nakagawa v Shintaro Imai | 6-2,6-1 |
| Challenger Kaohsiung | 2019/09/16 06:30 | Shintaro Imai v Renta Tokuda | 3-6,4-6 |
| Challenger - Šanghaj | 2019/09/09 06:25 | Arjun Kadhe v Shintaro Imai | 7-6,6-3 |
| Challenger Jinan | 2019/09/02 03:40 | Shintaro Imai v Chun Hsin Tseng | 5-7,6-4,2-6 |
| Challenger - Yokkaichi | 2019/08/08 04:05 | Shintaro Imai v James Duckworth | 2-6,3-6 |
| Challenger - Kobe | 2019/11/06 05:50 | Renta Tokuda v James Duckworth | 6-2,6-2 |
| Challenger - Kobe | 2019/11/05 01:30 | Renta Tokuda v Yuta Kawahashi | 6-3,6-1 |
| Challenger Liuzhou | 2019/10/21 03:20 | Renta Tokuda v Jie Cui | 7-5,4-6,3-6 |
| ITF - M25 Tay Ninh | 2019/10/01 03:30 | Shao-Fan Liu v Renta Tokuda | 6-2,6-4 |
| Challenger Kaohsiung | 2019/09/18 10:00 | Renta Tokuda v Jason Jung | 2-6,3-6 |
| Challenger Kaohsiung | 2019/09/16 06:30 | Shintaro Imai v Renta Tokuda | 3-6,4-6 |
| Challenger - Šanghaj | 2019/09/09 02:00 | James Ward v Renta Tokuda | 6-3,6-4 |
| Challenger Jinan | 2019/09/04 06:00 | Prajnesh Gunneswaran v Renta Tokuda | 6-2,6-2 |