Round: 26 Ground: Hardcourt outdoor
| ITF Serbia F6 | 2015/07/20 08:00 | Timur Kiyamov v Keisuke Numajiri | 6-1,7-5 |
| ITF Serbia F6 | 2015/07/18 11:00 | David Barclay v Keisuke Numajiri | 2-6,2-6 |
| ITF Serbia F6 | 2015/07/11 11:00 | Keisuke Numajiri v Goran Markovic | 6-4,6-4 |
| ITF - Japan F8 | 2015/06/25 01:00 | Keisuke Numajiri v Keisuke Watanuki | 3-6,3-6 |
| ITF - Japan F7 - Qualifikation | 2015/06/15 00:30 | Renta Tokuda v Keisuke Numajiri | 3-6,1-6 |
| ITF - Japan F7 - Qualifikation | 2015/06/13 00:00 | Naoto Kai v Keisuke Numajiri | 2-6,3-6 |
| ITF - Japan F6 - Qualifikation | 2015/06/07 05:00 | Koichi Sano v Keisuke Numajiri | 6-0,4-6,6-1 |
| ITF - USA F16 | 2015/05/09 16:00 | Justin Lunn v Keisuke Numajiri | 3-6,2-6 |
| ITF - Türkei F35 | 2015/09/02 14:50 | Sergio Barranco v Michal Konecny | 1-6,4-6 |
| ITF - Türkei F34 | 2015/08/30 14:00 | Miliaan Niesten v Michal Konecny | 1-6,2-6 |
| ITF - Türkei F34 | 2015/08/28 14:50 | Vadim Alekseenko v Michal Konecny | 3-6,2-6 |
| ITF - Türkei F34 | 2015/08/27 15:20 | Corentin Denolly v Michal Konecny | 6-3,6-7,2-6 |
| ITF - Türkei F34 | 2015/08/25 14:20 | Koray Kirci v Michal Konecny | 1-6,5-7 |
| ITF Austria F8 | 2015/08/19 08:00 | Jan Poskocil v Michal Konecny | 6-3,6-1 |
| ITF - Österreich F5 | 2015/07/26 08:00 | Nicola Ghedin v Michal Konecny | 1-6,3-6 |
| ITF - Österreich F5 | 2015/07/25 08:00 | Michal Konecny v Tom Kocevar-Desman | 6-2,6-1 |