Round: 54 Ground: Hardcourt outdoor
| ITF Hong Kong F4 | 2017/12/16 04:30 | Huixin Wang v Wai Yu Kai | 6-0,6-0 |
| ITF China F9 Qual | 2017/05/29 05:00 | Wai Yu Kai v Zhao-Tai Li | 3-6,2-6 |
| ITF Turkey F44 | 2017/11/21 07:15 | Alexander Zhurbin v Takashi Saito | 6-0,6-2 |
| ITF Turkey F43 | 2017/11/16 06:45 | Takashi Saito v Pietro Rondoni | 3-6,6-3,6-7 |
| ITF Turkey F43 | 2017/11/15 06:45 | Mert Naci Turker v Takashi Saito | 2-6,1-6 |
| ITF Turkey F42 | 2017/11/08 08:40 | Maxim Ratniuk v Takashi Saito | 6-2,6-2 |
| ITF Malaysia F1 | 2017/10/20 01:00 | Ryota Tanuma v Takashi Saito | 7-6,3-6,7-6 |
| ITF Malaysia F1 | 2017/10/19 01:00 | Takashi Saito v Daniiar Duldaev | 6-4,6-2 |
| ITF Malaysia F1 | 2017/10/18 01:50 | Alberto Lim v Takashi Saito | 3-6,6-3,4-6 |
| ITF Thailand F8 Qual | 2017/10/09 04:35 | Jonathan Gray v Takashi Saito | 6-3,0-6,6-2 |