Round: 26 Ground: Hardcourt outdoor
| ITF Japan F3 | 2017/03/22 02:10 | Xin Gao v Tung-Lin Wu | 7-5,1-6,7-5 |
| ITF Japan F2 | 2017/03/15 02:00 | Yuta Shimizu v Xin Gao | 6-7,5-7 |
| ITF Japan F2 | 2017/03/14 02:30 | Masaya Kobayashi v Xin Gao | 4-6,2-6 |
| ITF Japan F1 | 2017/03/07 01:00 | Sho Katayama v Xin Gao | 6-2,6-4 |
| Challenger Yokohama Qual | 2017/02/25 01:00 | Xin Gao v Nasa Hatakeyama | 4-6,6-7 |
| Challenger Suzhou | 2016/10/27 06:30 | Xin Gao v Alexander Kudryavtsev | 4-6,2-6 |
| Challenger Suzhou | 2016/10/25 05:10 | Xin Gao v Yuqing Ning | 6-1,6-4 |
| Challenger Ningbo Qual | 2016/10/15 06:20 | Xi Qi v Xin Gao | 7-6,7-6 |
| ITF Japan F3 | 2017/03/22 03:35 | Collin Johns v Yusuke Watanuki | 3-6,1-6 |
| Challenger Yokohama Qual | 2017/02/25 04:25 | Yusuke Watanuki v Evgeny Karlovskiy | 3-6,6-7 |
| Challenger Kyoto Qual | 2017/02/19 02:10 | Yusuke Watanuki v Prajnesh Gunneswaran | 2-6,4-6 |
| Challenger Kyoto Qual | 2017/02/18 01:00 | Yusuke Watanuki v Renta Tokuda | 6-4,4-6,6-1 |
| Challenger Launceston Qual | 2017/02/05 02:10 | Bradley Mousley v Yusuke Watanuki | 6-3,6-2 |
| Challenger Launceston Qual | 2017/02/04 03:15 | Oliver Casey v Yusuke Watanuki | 5-7,4-6 |
| Challenger Burnie Qual | 2017/01/28 01:45 | Luca Margaroli v Yusuke Watanuki | 7-6,6-2 |
| Challenger Canberra | 2017/01/09 00:55 | Yusuke Watanuki v Denis Shapovalov | 7-6,4-6,4-6 |