| ITF Korea F8 | 2016/08/28 02:00 | Keisuke Numajiri v Woo Hyeok Jang | 3-6,1-6 |
| ITF Spain F26 Qual | 2016/08/14 08:30 | Keisuke Numajiri v Aitor S Llopis | 2-6,4-6 |
| ITF Spain F25 | 2016/08/09 10:00 | Бенджамин Бонзи v Keisuke Numajiri | 6-0,6-4 |
| ITF Spain F24 | 2016/08/03 20:15 | Sebastien Boltz v Keisuke Numajiri | 6-2,7-5 |
| ITF Spain F24 | 2016/08/01 09:00 | Keisuke Numajiri v Борис Ариас | 6-4,7-6 |
| ITF Spain F24 | 2016/07/31 14:00 | Keisuke Numajiri v Miguel Vallejo | 6-2,6-2 |
| ITF Macedonia F2 | 2016/06/28 07:30 | Alexander Lazov v Keisuke Numajiri | 6-1,6-0 |
| ITF Macedonia F2 | 2016/06/27 07:30 | Aljaz Radinski v Keisuke Numajiri | 3-6,0-6 |
| ITF Korea F8 | 2016/08/27 04:30 | Gwang Hyeon Cho v Hyun-Joon Kim | 5-7,0-6 |
| ITF Korea F1 Qual | 2016/06/11 01:00 | Dong Woon Kang v Gwang Hyeon Cho | 6-1,6-2 |