Ground: Hardcourt outdoor
| ITF Greece F5 | 2015/04/25 07:00 | David Simunek v Hiroyasu Ehara | 1-6,2-6 |
| ITF Greece F5 | 2015/04/23 07:00 | David Simunek v Peter Goldsteiner | 6-2,6-1 |
| ITF Greece F5 | 2015/04/22 07:00 | Petros Chrysochos v David Simunek | 6-1,2-6,4-6 |
| ITF Egypt F9 | 2015/03/11 10:10 | David Simunek v Richard Gabb | 6-7,3-6 |
| ITF Tunisia F5 | 2015/02/09 11:30 | Patrik Fabian v David Simunek | 6-4,6-2 |
| ITF Tunisia F5 | 2015/02/08 09:30 | Richard Solberg v David Simunek | 4-6,3-6 |
| ITF Tunisia F5 | 2015/02/03 10:50 | David Simunek v Giorgio Portaluri | 2-6,7-6,4-6 |
| ITF Tunisia F5 | 2015/02/02 12:35 | David Simunek v Martin Blasko | 6-4,4-6,6-4 |
| ITF Greece F5 | 2015/04/23 07:00 | Tom Kocevar-Desman v Keisuke Watanuki | 6-3,6-2 |
| ITF Greece F5 | 2015/04/21 10:40 | Charalampos Kapogiannis v Keisuke Watanuki | 6-3,1-6,5-7 |
| ITF Greece F4 | 2015/04/12 11:00 | Keisuke Watanuki v Stefan Frljanic | 6-4,2-6,5-7 |
| ITF Japan F3 | 2015/03/21 02:30 | Issei Okamura v Keisuke Watanuki | 6-2,6-3 |
| ITF Japan F2 | 2015/03/14 00:30 | Soichiro Moritani v Keisuke Watanuki | 6-4,6-2 |
| ITF Japan F1 | 2015/03/09 00:40 | Jarryd Chaplin v Keisuke Watanuki | 6-4,4-6,7-6 |
| ITF Turkey F34 | 2014/09/28 07:00 | Katsuki Nagao v Keisuke Watanuki | 6-3,5-7,7-6 |
| ITF Turkey F34 | 2014/09/27 07:00 | Keisuke Watanuki v Pavel Shchaya-Zubrov | 6-0,6-4 |