Round: 26 Ground: Hardcourt outdoor
| ITF Hong Kong F2 | 2018/07/06 02:00 | Shintaro Imai v Ryota Tanuma | 6-2,6-2 |
| ITF Hong Kong F1 | 2018/06/25 02:00 | Shintaro Imai v Ryota Tanuma | 3-6,2-6 |
| ITF Hong Kong F3 | 2018/12/25 02:00 | Jumpei Yamasaki v Ryota Tanuma | 4-6,7-6,6-4 |
| ITF Thailand F9 | 2018/11/15 03:00 | Yu Hsiou Hsu v Ryota Tanuma | 6-0,6-2 |
| ITF Thailand F9 | 2018/11/14 06:25 | Antoine Bellier v Ryota Tanuma | 4-6,4-6 |
| ITF Thailand F9 | 2018/11/13 09:25 | Pak Long Yeung v Ryota Tanuma | 4-6,7-6,6-7 |
| ITF Thailand F8 | 2018/11/06 06:05 | Ryota Tanuma v Yu Hsiou Hsu | 4-6,5-7 |
| Challenger Liuzhou | 2018/10/20 09:30 | Ryota Tanuma v Arjun Kadhe | 6-7,2-6 |
| Challenger Ningbo | 2018/10/15 02:30 | Saketh Myneni v Ryota Tanuma | 6-0,6-3 |
| Challenger Ningbo | 2018/10/14 06:30 | Ryota Tanuma v Wishaya Trongcharoenchaikul | 7-6,3-6,6-4 |
| ITF M15 Sharm El Sheikh | 2019/02/02 08:00 | Karim-Mohamed Maamoun v Shintaro Imai | 6-3,6-2 |
| ITF M15 Sharm El Sheikh | 2019/02/01 08:00 | Pablo Vivero Gonzalez v Shintaro Imai | 3-6,7-6,6-7 |
| ITF M15 Sharm El Sheikh | 2019/01/31 09:35 | Shintaro Imai v Enrico Dalla Valle | 6-3,6-4 |
| ITF M15 Sharm El Sheikh | 2019/01/30 13:05 | Toby Martin v Shintaro Imai | 3-6,6-7 |
| ITF M15 Sharm El Sheikh | 2019/01/23 08:00 | Toby Martin v Shintaro Imai | 2-6,6-1,6-2 |
| ITF M25 Hong Kong | 2019/01/05 02:00 | Evan Furness v Shintaro Imai | 7-6,6-2 |
| ITF M25 Hong Kong | 2019/01/04 04:35 | Kuan-Yi Lee v Shintaro Imai | 1-6,3-6 |
| ITF M25 Hong Kong | 2019/01/03 02:00 | Shintaro Imai v Jeremy Jahn | 6-4,6-4 |