Round: 27 Ground: Hardcourt outdoor
| ITF Turkey F18 | 2016/05/08 08:00 | Dennis Novak v Marc Sieber | 6-2,6-2 |
| ITF Turkey F18 | 2016/05/07 08:00 | Marc Sieber v Hugo Nys | 1-6,6-3,6-2 |
| ITF Turkey F18 | 2016/05/06 08:00 | Katsuki Nagao v Marc Sieber | 3-6,6-4,2-6 |
| ITF Turkey F18 | 2016/05/05 09:30 | Keisuke Numajiri v Marc Sieber | 0-6,2-6 |
| ITF Turkey F17 | 2016/05/01 11:00 | Marc Sieber v Christopher Heyman | 6-3,6-0 |
| ITF Turkey F17 | 2016/04/30 11:00 | Ryota Kishi v Marc Sieber | 0-6,5-7 |
| ITF Turkey F17 | 2016/04/29 11:00 | Remi Boutillier v Marc Sieber | 6-7,1-6 |
| ITF Turkey F17 | 2016/04/28 08:00 | Issei Okamura v Marc Sieber | 7-5,2-6,0-6 |
| ITF Turkey F19 | 2016/05/11 13:00 | Hiromasa Oku v Thomas Statzberger | 6-3,6-4 |
| ITF Turkey F18 | 2016/05/04 08:00 | Hiromasa Oku v Anil Yuksel | 3-6,2-6 |
| ITF Turkey F17 | 2016/04/26 11:20 | Altug Celikbilek v Hiromasa Oku | 6-4,2-6,7-6 |
| ITF Japan F5 | 2016/04/08 01:00 | Hiromasa Oku v Yuya Kibi | 2-6,4-6 |
| ITF Japan F5 | 2016/04/05 07:45 | Hiromasa Oku v Katsuki Nagao | 7-6,5-7,6-1 |
| ITF Japan F4 | 2016/03/30 03:25 | Masato Shiga v Hiromasa Oku | 6-4,6-3 |
| ITF Japan F3 | 2016/03/20 01:00 | Hiromasa Oku v Gengo Kikuchi | 2-6,1-6 |
| ITF Japan F3 | 2016/03/19 03:45 | Hiromasa Oku v Ko Suzuki | 5-7,7-6,7-5 |