Ground: Hardcourt outdoor
| ITF Greece F4 | 2015/04/14 07:00 | Charalampos Kapogiannis v Erik Crepaldi | 1-6,1-6 |
| ITF Greece F2 | 2015/04/02 08:50 | Stefanos Tsitsipas v Charalampos Kapogiannis | 6-2,6-7,6-3 |
| ITF Greece F2 | 2015/04/01 10:00 | Daniel Glancy v Charalampos Kapogiannis | 6-4,3-6,3-6 |
| ITF Greece F2 Qual | 2015/03/30 07:50 | Charalampos Kapogiannis v Matvey Khomentovskiy | 6-3,6-0 |
| ITF Greece F2 Qual | 2015/03/29 06:15 | Charalampos Kapogiannis v Shunsuke Wakita | 6-4,6-1 |
| ITF Greece F9 Qual | 2014/11/14 10:35 | Charalampos Kapogiannis v Riccardo Bellotti | 6-4,1-6,1-6 |
| ITF Greece F9 Qual | 2014/11/13 10:20 | Charalampos Kapogiannis v Ilija Vucic | 7-5,5-7,6-3 |
| ITF Greece F9 Qual | 2014/11/12 09:15 | Danilo Petrovic v Charalampos Kapogiannis | 4-6,3-6 |
| 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 |
| ITF Turkey F32 | 2014/09/17 11:20 | Keisuke Watanuki v Antoine Bellier | 1-6,3-6 |
| ITF Turkey F31 | 2014/09/10 08:30 | Keisuke Watanuki v Nicolaas Scholtz | 3-6,1-6 |