Round: 25 Ground: Clay
| ITF Japan F4 | 2016/03/31 03:20 | Ryota Tanuma v Masato Shiga | 6-4,1-6,6-4 |
| ITF Japan F4 | 2016/03/30 03:25 | Masato Shiga v Hiromasa Oku | 6-4,6-3 |
| ITF Japan F3 | 2016/03/20 02:30 | Masato Shiga v Keisuke Watanuki | 4-6,6-2,3-6 |
| ITF Japan F2 | 2016/03/12 02:00 | Masato Shiga v Ryota Kishi | 4-6,1-6 |
| ITF China F3 | 2016/02/29 04:30 | Masato Shiga v Yecong He | 5-7,1-6 |
| ITF China F2 | 2016/02/23 02:00 | Masato Shiga v Young Seok Kim | 4-6,3-6 |
| ITF USA F5 | 2016/01/22 19:00 | Masato Shiga v Trent Bryde | 3-6,3-6 |
| ITF USA F4 | 2016/01/17 16:00 | Masato Shiga v Roberto Quiroz | 2-6,2-6 |
| 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 Australia F7 | 2015/10/07 01:15 | Yusuke Watanuki v Daniel Nolan | 6-1,6-3 |