Round: 25 Ground: Synthetic outdoor
| ITF Japan F5 | 2016/04/06 04:15 | Masato Shiga v Yusuke Watanuki | 7-6,6-4 |
| ITF Japan F1 | 2016/03/10 02:45 | Katsuki Nagao v Yusuke Watanuki | 1-6,6-2,1-6 |
| ITF Turkey F5 | 2016/02/03 08:00 | Germain Gigounon v Yusuke Watanuki | 6-1,4-6,6-4 |
| ITF Turkey F4 | 2016/01/26 11:05 | Yusuke Watanuki v Tallon Griekspoor | 3-6,1-6 |
| ITF Turkey F3 | 2016/01/22 13:40 | Joris De Loore v Yusuke Watanuki | 6-3,6-0 |
| ITF Turkey F3 | 2016/01/22 09:00 | Altug Celikbilek v Yusuke Watanuki | 3-6,6-7 |
| ITF Turkey F3 | 2016/01/19 08:00 | Hannes Wagner v Yusuke Watanuki | 5-7,1-6 |
| ITF Australia F7 | 2015/10/08 03:00 | Yusuke Watanuki v Finn Tearney | 6-1,1-6,3-6 |
| ITF Japan F7 Qual | 2016/06/05 01:00 | Shunrou Takeshima v Ryotaro Matsumura | 5-7,1-6 |
| ITF Japan F7 Qual | 2016/06/04 01:00 | Shunrou Takeshima v Tomohiro Masabayashi | 6-2,6-2 |
| ITF Japan F6 Qual | 2016/05/29 01:00 | Renta Tokuda v Shunrou Takeshima | 3-6,6-2,6-2 |
| ITF Japan F6 Qual | 2016/05/28 01:00 | Daisuke Sumizawa v Shunrou Takeshima | 3-6,2-6 |
| ITF Guam F1 | 2016/05/26 02:25 | Gengo Kikuchi v Shunrou Takeshima | 6-1,6-1 |
| ITF Guam F1 | 2016/05/24 02:00 | Hiromasa Oku v Shunrou Takeshima | 3-6,2-6 |
| ITF Guam F1 | 2016/05/22 01:00 | Shunrou Takeshima v Takahiro Kubo | 6-1,6-1 |
| ITF China F6 Qual | 2016/05/07 03:30 | Changwei Peng v Shunrou Takeshima | 2-6,7-5,6-2 |