Round: 25 Ground: Synthetic outdoor
| ITF Japan F7 Qual | 2014/06/16 01:00 | Masaki Osafune v Renta Tokuda | 4-6,3-6 |
| ITF USA F6 | 2017/02/05 15:00 | Tommy Paul v Renta Tokuda | 6-3,4-6,6-3 |
| ITF USA F6 | 2017/02/04 15:30 | Felix Auger Aliassime v Renta Tokuda | 4-6,6-7 |
| ITF USA F6 | 2017/02/03 15:00 | Naoki Nakagawa v Renta Tokuda | 1-6,2-6 |
| ITF USA F6 | 2017/02/02 16:35 | Winston Lin v Renta Tokuda | 6-3,4-6,4-6 |
| ITF USA F6 | 2017/01/31 15:00 | Renta Tokuda v Tomas Lipovsek Puches | 6-4,6-3 |
| ITF USA F5 | 2017/01/22 15:00 | Renta Tokuda v John McNally | 4-6,1-6 |
| ITF USA F5 | 2017/01/21 19:00 | Renta Tokuda v Ryan Goetz | 6-4,6-2 |
| ITF USA F5 | 2017/01/20 21:00 | Renta Tokuda v Erroll Lawrence | 6-4,6-1 |
| ITF Japan F4 | 2016/03/27 01:00 | Katsuki Nagao v Masaki Osafune | 6-1,6-2 |
| ITF Dominican Republic F2 | 2015/12/06 14:00 | Juan Carlos Aguilar v Masaki Osafune | 7-5,6-3 |
| ITF Dominican Republic F2 | 2015/12/05 13:30 | Mitchell Thomas McDaniels v Masaki Osafune | 4-6,6-7 |
| ITF Dominican Republic F1 | 2015/11/28 16:00 | Conor Berg v Masaki Osafune | 6-2,3-6,7-6 |
| ITF Turkey F41 | 2015/10/13 07:00 | Marek Semjan v Masaki Osafune | 7-6,2-6,7-6 |
| ITF Turkey F36 | 2015/10/05 07:00 | Yuanfeng Li v Masaki Osafune | 7-5,6-0 |
| ITF Turkey F36 | 2015/10/04 12:00 | Masaki Osafune v Victor-Mugurel Anagnastopol | 7-5,6-0 |
| ITF China F11 Qual | 2015/07/20 02:00 | Kittiphong Wachiramanowong v Masaki Osafune | 6-0,6-1 |