| ITF Japan F1 | 2017/03/07 01:00 | Katayama, Sho v Gao, Xin | 6-2,6-4 |
| ITF Japan F4 | 2015/03/31 03:50 | Katayama, Sho v Gao, Xin | 6-2,6-1 |
| ITF China F13 | 2017/07/17 04:00 | Gao, Xin v Zhizhen Zhang | 5-7,4-6 |
| ITF China F11 | 2017/07/05 02:00 | Gao, Xin v Singh, Karunuday | 3-6,2-6 |
| ITF China F11 | 2017/07/04 02:00 | Gao, Xin v Lo, Chien Hsun | 7-5,6-1 |
| ITF China F10 | 2017/06/30 02:00 | Li, Zhe v Gao, Xin | 4-6,7-5,6-4 |
| ITF China F10 | 2017/06/28 02:00 | Li, Zhao-Tai v Gao, Xin | 1-6,4-6 |
| ITF China F10 | 2017/06/27 03:30 | Wei-De Lin v Gao, Xin | 2-6,2-6 |
| ITF China F8 | 2017/05/26 02:00 | Li, Zhe v Gao, Xin | 6-3,7-5 |
| ITF China F8 | 2017/05/24 02:00 | Li, Yuanfeng v Gao, Xin | 7-6,3-6,3-6 |
| ITF Japan F7 | 2017/06/06 04:45 | Kishi, Ryota v Katayama, Sho | 2-6,2-6 |
| ITF Singapore F2 | 2017/05/31 05:05 | Nam Hoang Ly v Katayama, Sho | 6-2,6-4 |
| ITF Singapore F1 | 2017/05/26 03:00 | Katayama, Sho v Ehara, Hiroyasu | 3-6,6-4,2-6 |
| ITF Singapore F1 | 2017/05/25 02:00 | Katayama, Sho v Shaheed Alam | 6-7,6-4,6-0 |
| ITF Singapore F1 | 2017/05/23 04:20 | Sidharth Rawat v Katayama, Sho | 4-6,2-6 |
| ITF Japan F5 | 2017/04/07 07:10 | Yusuke Takahashi v Katayama, Sho | 6-1,7-5 |
| ITF Japan F5 | 2017/04/06 04:10 | Toshihide Matsui v Katayama, Sho | 1-6,2-6 |
| ITF Japan F5 | 2017/04/04 02:40 | Masaya Kobayashi v Katayama, Sho | 1-6,2-6 |