Stadium: Court 4 Round: 44 Ground: Hardcourt outdoor
| ITF Japan F3 | 2018/03/17 02:30 | Aoran Wang v Teppei Uesugi | 6-7,2-6 |
| ITF Japan F1 | 2018/03/03 01:00 | Teppei Uesugi v Kaito Itsusaki | 7-6,0-6,2-6 |
| Challenger Yokohama Qual | 2018/02/25 01:00 | Zhe Li v Teppei Uesugi | 6-0,6-3 |
| Challenger Yokohama Qual | 2018/02/24 02:45 | Kengo Sasaki v Teppei Uesugi | 2-6,7-6,6-7 |
| ITF Japan F8 | 2017/06/14 05:30 | Ibuki Furuta v Teppei Uesugi | 6-3,7-5 |
| ITF Japan F7 | 2017/06/04 01:00 | Teppei Uesugi v Haru Inoue | 6-3,2-6,2-6 |
| ITF Japan F7 | 2017/06/03 01:00 | Kaito Itsusaki v Teppei Uesugi | 6-7,6-1,3-6 |
| ITF Japan F4 | 2017/03/28 01:00 | Masaki Sasai v Teppei Uesugi | 6-3,6-2 |
| ITF Japan F3 | 2018/03/17 02:30 | Tamaki Yamao v Jack Murray | 4-6,6-3,6-2 |
| ITF Japan F3 | 2018/03/17 00:30 | Tamaki Yamao v Taketo Takamisawa | 6-1,6-3 |
| ITF Japan F2 | 2018/03/13 04:40 | Tamaki Yamao v Makoto Ochi | 7-5,3-6,1-6 |
| ITF Japan F2 | 2018/03/12 00:30 | Tamaki Yamao v Tomohiro Masabayashi | 6-3,4-6,6-1 |
| ITF Japan F2 | 2018/03/11 00:30 | Hayato Kudo v Tamaki Yamao | 1-6,0-6 |
| ITF Japan F1 | 2018/03/03 03:00 | Takashi Saito v Tamaki Yamao | 7-6,6-4 |
| Challenger Kyoto Qual | 2018/02/17 06:40 | Blake Ellis v Tamaki Yamao | 6-4,6-4 |
| Challenger Kyoto Qual | 2017/02/18 01:00 | Gengo Kikuchi v Tamaki Yamao | 7-6,6-4 |