Round: 62 Ground: Clay
| ITF Turkey F13 | 2017/04/02 07:30 | Keisuke Numajiri v Mert Naci Turker | 7-6,2-6,3-6 |
| ITF Turkey F12 | 2017/03/28 09:20 | Julien Cagnina v Keisuke Numajiri | 6-1,6-1 |
| ITF Turkey F12 | 2017/03/27 07:00 | Sarp Agabigun v Keisuke Numajiri | 2-6,3-6 |
| ITF Turkey F12 | 2017/03/26 07:00 | Rishabdev Raman v Keisuke Numajiri | 2-6,0-6 |
| ITF Spain F6 | 2017/02/18 08:00 | Luis Diego Chavez Villalpando v Keisuke Numajiri | 6-1,5-7,6-4 |
| ITF Egypt F4 | 2017/02/08 12:30 | Keisuke Numajiri v Ilija Vucic | 5-7,6-7 |
| ITF Egypt F4 | 2017/02/06 08:00 | Hiroyasu Ehara v Keisuke Numajiri | 6-0,6-3 |
| ITF Egypt F4 | 2017/02/05 08:00 | Dominik Nazaruk v Keisuke Numajiri | 1-6,1-6 |
| ITF Spain F8 | 2017/03/17 15:00 | Marcos Giraldi Requena v Sami Ben Abdennibi | 6-1,6-2 |
| ITF Switzerland F4 Qual | 2016/08/20 12:45 | Nino Portales v Sami Ben Abdennibi | 6-3,6-2 |