Round: 62 Ground: Hardcourt outdoor
| ITF USA F5 | 2016/01/25 15:30 | Yusuke Takahashi v Alejandro Tabilo | 6-7,3-6 |
| ITF USA F5 | 2016/01/24 15:00 | Yusuke Takahashi v Juan Rocha | 6-1,6-2 |
| ITF USA F4 | 2016/01/15 13:30 | Adelchi Virgili v Yusuke Takahashi | 4-6,6-2,7-6 |
| ITF USA F3 Qual | 2016/01/09 16:00 | Yusuke Takahashi v Kevin Gardner | 6-1,6-1 |
| ITF Spain F33 | 2015/10/13 12:30 | Juan Lizariturry v Yusuke Takahashi | 6-1,6-4 |
| ITF Spain F33 | 2015/10/12 08:00 | Yusuke Takahashi v Alejandro Ibanez Gallego | 1-6,6-2,6-4 |
| ITF Spain F33 | 2015/10/11 12:00 | Yusuke Takahashi v Miguel Damas | 6-1,6-2 |
| ITF Spain F33 | 2015/10/10 14:00 | Yusuke Takahashi v Alejandro O Palacios | 6-2,6-2 |
| ITF Japan F8 | 2015/06/25 01:00 | Keisuke Numajiri v Keisuke Watanuki | 3-6,3-6 |
| ITF Japan F8 | 2015/06/24 02:45 | Keisuke Watanuki v Yuichi Ito | 6-1,7-5 |
| ITF Japan F7 | 2015/06/16 02:15 | Arata Onozawa v Keisuke Watanuki | 7-6,0-6,6-3 |
| ITF Japan F6 | 2015/06/11 02:55 | Takuto Niki v Keisuke Watanuki | 6-7,7-6,6-4 |
| ITF Japan F6 | 2015/06/10 01:30 | Keisuke Watanuki v Hiromasa Oku | 6-2,6-3 |
| ITF Japan F5 | 2015/06/04 02:00 | Thomas Fancutt v Keisuke Watanuki | 7-5,7-6 |
| ITF Japan F5 | 2015/06/03 06:30 | Ryotaro Matsumura v Keisuke Watanuki | 6-2,4-6,0-6 |
| ITF Greece F9 | 2015/04/29 10:05 | David Simunek v Keisuke Watanuki | 6-4,6-2 |