Round: 26 Ground: Clay
| ITF Japan F2 | 2014/03/20 02:30 | Takao Suzuki v Yusuke Watanuki | 6-4,6-3 |
| ITF Japan F5 | 2017/04/04 00:30 | Issei Okamura v Takao Suzuki | 6-7,3-6 |
| ITF Japan F5 | 2017/04/02 01:00 | Rio Noguchi v Takao Suzuki | 6-7,7-6,4-6 |
| ITF Japan F5 | 2017/04/01 02:00 | Yuga Tashiro v Takao Suzuki | 1-6,4-6 |
| ITF Japan F2 | 2017/03/13 01:00 | Jeamoon Lee v Takao Suzuki | 6-4,6-0 |
| ITF Guam F1 | 2016/05/25 02:30 | Deiton Baughman v Takao Suzuki | 6-3,6-2 |
| ITF Japan F5 | 2016/04/06 00:30 | Ken Onishi v Takao Suzuki | 6-3,4-6,3-6 |
| ITF Japan F3 | 2016/03/19 03:45 | Takao Suzuki v Brandon Walkin | 6-2,6-2 |
| WTA Kuala Lumpur Qual | 2015/09/27 03:20 | Takao Suzuki v Yasutaka Uchiyama | 2-6,2-6 |
| 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 |
| Challenger Launceston Qual | 2017/02/05 02:10 | Bradley Mousley v Yusuke Watanuki | 6-3,6-2 |