Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| Challenger Toyota Qual | 2017/11/12 07:00 | Kaito Uesugi v Xin Gao | 7-5,6-4 |
| ITF China F5 | 2018/05/08 02:00 | Xin Gao v Aoran Wang | 6-2,6-3 |
| ITF China F4 | 2018/05/01 02:40 | Xin Gao v Naru Shirafuji | 7-5,6-4 |
| Challenger Nanchang | 2018/04/19 04:30 | Xin Gao v Quentin Halys | 2-6,1-6 |
| ITF Japan F6 | 2018/04/12 01:00 | Jumpei Yamasaki v Xin Gao | 3-6,7-6,6-4 |
| ITF Japan F6 | 2018/04/10 01:00 | Xin Gao v Shintaro Imai | 6-3,6-4 |
| ITF Japan F5 | 2018/04/04 04:50 | Zhe Li v Xin Gao | 6-3,7-5 |
| ITF Japan F5 | 2018/04/03 01:00 | Cing-Yang Meng v Xin Gao | 2-6,4-6 |
| ITF Japan F4 | 2018/03/27 01:00 | Seong Chan Hong v Xin Gao | 6-3,6-4 |
| ITF China F5 | 2018/05/09 02:00 | Kaito Uesugi v Yecong He | 6-3,5-7,7-5 |
| ITF Japan F6 | 2018/04/10 05:10 | Kaito Uesugi v Sora Fukuda | 5-7,5-7 |
| ITF Japan F6 Qual | 2018/04/09 01:00 | Kaito Uesugi v Takuya Kumasaka | 6-3,6-1 |
| ITF Japan F6 Qual | 2018/04/08 01:00 | Kaito Uesugi v Ko Suzuki | 7-6,6-4 |
| ITF Japan F3 | 2018/03/23 02:00 | Kaito Uesugi v Makoto Ochi | 4-6,6-4,3-6 |
| ITF Japan F3 | 2018/03/22 08:45 | Sho Katayama v Kaito Uesugi | 3-6,1-6 |
| ITF Japan F3 | 2018/03/22 05:25 | Kaito Uesugi v Shintaro Imai | 6-3,2-6,6-1 |
| ITF Japan F3 | 2018/03/19 02:40 | Tae-Woo Lee v Kaito Uesugi | 3-6,3-6 |