Stadium: Court 12 Round: 25 Ground: Hardcourt outdoor
| ITF USA F35 | 2018/12/05 19:30 | Felix Corwin v Jumpei Yamasaki | 6-4,3-6,6-4 |
| ITF USA F35 | 2018/12/03 17:25 | Rana-Roop Singh Bhullar v Jumpei Yamasaki | 3-6,3-6 |
| ITF USA F34 | 2018/11/28 16:00 | Alexis Gautier v Jumpei Yamasaki | 6-3,6-2 |
| ITF USA F34 | 2018/11/26 17:35 | Jumpei Yamasaki v Harrison Adams | 2-6,6-4,6-0 |
| ITF Thailand F6 | 2018/10/09 05:55 | Kento Takeuchi v Jumpei Yamasaki | 6-3,0-6,7-6 |
| ITF Thailand F5 | 2018/10/05 04:00 | Jumpei Yamasaki v Shintaro Imai | 2-6,4-6 |
| ITF Thailand F5 | 2018/10/04 04:30 | Jumpei Yamasaki v Alexander Igoshin | 3-6,6-3,6-3 |
| ITF Thailand F5 | 2018/10/03 02:30 | Jumpei Yamasaki v Tsung-Hao Huang | 6-7,6-4,6-1 |
| 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 |
| Challenger Ningbo | 2018/10/13 05:10 | Weiqiang Zheng v Ryota Tanuma | 7-5,2-6,4-6 |