Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF China F6 | 2018/05/16 02:00 | Jumpei Yamasaki v Kento Takeuchi | 4-6,6-4,6-7 |
| Challenger Yokohama Qual | 2018/02/24 01:00 | Kento Takeuchi v Jumpei Yamasaki | 3-6,3-6 |
| ITF Thailand F5 | 2018/10/05 04:00 | Kento Takeuchi v Kelsey Stevenson | 6-3,3-6,4-6 |
| ITF Thailand F5 | 2018/10/04 04:30 | Kento Takeuchi v David Agung Susanto | 6-1,6-3 |
| ITF Thailand F5 | 2018/10/03 05:30 | Soichiro Moritani v Kento Takeuchi | 4-6,5-7 |
| ITF Thailand F5 | 2018/10/02 05:05 | Kento Takeuchi v Krittin Koaykul | 6-2,6-3 |
| ITF Thailand F4 | 2018/09/29 03:00 | Kento Takeuchi v Shintaro Imai | 2-6,6-4,3-6 |
| ITF Thailand F4 | 2018/09/28 03:00 | Kento Takeuchi v Karunuday Singh | 7-6,6-0 |
| ITF Thailand F4 | 2018/09/27 02:30 | Kento Takeuchi v Tsung-Hao Huang | 6-4,6-2 |
| ITF Thailand F4 | 2018/09/26 04:40 | Felix Corwin v Kento Takeuchi | 5-7,5-7 |
| 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 F5 | 2018/10/01 04:00 | Jumpei Yamasaki v Prachaya Baibong | 6-0,6-0 |
| ITF Thailand F4 | 2018/09/26 02:30 | Karunuday Singh v Jumpei Yamasaki | 6-4,7-5 |
| Challenger Kaohsiung | 2018/09/16 03:00 | Yuichi Sugita v Jumpei Yamasaki | 6-2,7-5 |
| Challenger - Šanghaj | 2018/09/09 03:00 | Tung-Lin Wu v Jumpei Yamasaki | 6-2,6-2 |
| Challenger - Šanghaj | 2018/09/08 03:00 | Abhinav Sanjeev Shanmugam v Jumpei Yamasaki | 4-6,7-6,3-6 |