Ground: Clay
| ITF Japan F8 | 2015/06/25 01:00 | Keisuke Numajiri v Keisuke Watanuki | 3-6,3-6 |
| ITF Japan F7 Qual | 2015/06/15 00:30 | Renta Tokuda v Keisuke Numajiri | 3-6,1-6 |
| ITF Japan F7 Qual | 2015/06/13 00:00 | Naoto Kai v Keisuke Numajiri | 2-6,3-6 |
| ITF Japan F6 Qual | 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 USA F16 | 2015/05/08 20:00 | Brandon Donaldson v Keisuke Numajiri | 1-6,2-6 |
| ITF USA F14 | 2015/04/29 15:30 | Keisuke Numajiri v Facundo Mena | 6-7,3-6 |
| ITF USA F14 | 2015/04/27 15:00 | Yuanfeng Li v Keisuke Numajiri | 3-6,2-6 |
| ITF Serbia F6 | 2015/07/07 10:35 | Nerman Fatic v Goran Markovic | 6-2,6-3 |
| ITF Serbia F6 | 2015/07/05 10:30 | Goran Markovic v Dusan Rajic | 2-6,6-2,6-3 |
| ITF Serbia F6 | 2015/07/04 11:30 | Goran Markovic v Milan Drinic | 6-3,6-3 |
| ITF Serbia F2 Qual | 2015/06/15 07:30 | Goran Markovic v Rajko Mladenovic | 3-6,6-2,2-6 |
| ITF Serbia F2 Qual | 2015/06/14 09:30 | Goran Markovic v Shunsuke Wakita | 2-6,6-1,6-1 |
| ITF Serbia F2 Qual | 2015/06/13 13:00 | Goran Markovic v Aleksa Bucan | 5-7,6-4,6-2 |
| ITF Serbia F1 | 2015/06/09 08:00 | Dmitry Popko v Goran Markovic | 6-0,6-2 |
| ITF Serbia F1 Qual | 2015/06/07 07:30 | Goran Markovic v Chanchai Sookton-Eng | 6-4,6-0 |