Stadium: Court G Round: 45 Ground: Hardcourt indoor
| Challenger Gwangju Qual | 2018/08/11 03:35 | Ji Hoon Son v Xin Gao | 7-5,6-3 |
| Challenger Chengdu | 2018/07/31 06:55 | Yibing Wu v Xin Gao | 6-0,6-1 |
| ITF China F10 | 2018/07/10 02:00 | Ji Hoon Son v Xin Gao | 6-7,6-7 |
| ITF China F9 | 2018/07/03 07:00 | Xin Gao v Hao Wu | 6-7,3-6 |
| ITF China F7 | 2018/06/02 04:40 | Xin Gao v Zhe Li | 6-2,3-6,2-6 |
| ITF China F7 | 2018/06/01 06:15 | Xin Gao v Yunseong Chung | 6-0,6-7,6-3 |
| ITF China F7 | 2018/05/31 03:50 | Xin Gao v Aoran Wang | 6-0,6-3 |
| ITF China F7 | 2018/05/29 02:00 | Xin Gao v Rhett Purcell | 6-4,6-3 |
| ITF Indonesia F3 | 2018/08/07 04:50 | Kazuki Nishiwaki v Ajeet Rai | 3-6,6-7 |
| ITF Hong Kong F1 | 2018/06/25 03:55 | Kazuki Nishiwaki v Makoto Ochi | 7-6,6-2 |
| ITF Singapore F3 | 2018/05/28 05:00 | Maverick Banes v Kazuki Nishiwaki | 6-7,6-4,7-6 |
| ITF Singapore F2 | 2018/05/25 03:00 | Kazuki Nishiwaki v Collin Altamirano | 7-5,2-6,3-6 |
| ITF Singapore F2 | 2018/05/24 04:55 | Kazuki Nishiwaki v Makoto Ochi | 6-2,7-5 |
| ITF Singapore F2 | 2018/05/23 06:25 | Kazuki Nishiwaki v Calum Puttergill | 6-3,7-6 |
| ITF Singapore F2 | 2018/05/22 02:00 | Jacob Grills v Kazuki Nishiwaki | 3-6,6-3,5-7 |
| ITF Singapore F2 | 2018/05/20 03:00 | Kazuki Nishiwaki v Ken Onoda | 6-1,6-2 |