| ITF Japan F5 | 2016/04/06 04:15 | Masato Shiga v Yusuke Watanuki | 7-6,6-4 |
| ITF Japan F5 | 2017/04/05 00:30 | Takao Suzuki v Yusuke Watanuki | 2-6,1-6 |
| ITF Japan F5 | 2017/04/04 04:30 | Yusuke Watanuki v Masaki Sasai | 6-2,6-2 |
| ITF Japan F4 | 2017/03/28 03:00 | Yusuke Watanuki v Jumpei Yamasaki | 7-6,4-6,6-7 |
| ITF Japan F3 | 2017/03/22 07:30 | Xin Gao v Yusuke Watanuki | 2-6,6-3,6-2 |
| 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 |
| ITF Japan F5 | 2017/04/05 02:00 | Masato Shiga v Sho Shimabukuro | 6-3,6-4 |
| ITF Japan F5 | 2017/04/03 05:00 | Masato Shiga v Yuki Mochizuki | 6-4,6-0 |
| ITF Japan F4 | 2017/03/29 05:20 | Masato Shiga v Ryota Tanuma | 4-6,1-6 |
| ITF Japan F3 | 2017/03/20 01:00 | Soichiro Moritani v Masato Shiga | 6-2,6-2 |
| ITF Japan F2 | 2017/03/13 04:00 | Ibuki Furuta v Masato Shiga | 6-4,6-4 |
| ITF Japan F1 | 2017/03/08 01:00 | Wishaya Trongcharoenchaikul v Masato Shiga | 5-7,6-4,6-4 |
| Challenger Yokohama | 2017/02/28 02:20 | Takuto Niki v Masato Shiga | 6-1,6-1 |
| ITF Indonesia F2 | 2017/02/17 05:45 | Sho Katayama v Masato Shiga | 6-4,7-6 |