Round: 25 Ground: Hardcourt outdoor
| ITF Indonesia F8 | 2017/12/01 06:30 | Sora Fukuda v Renta Tokuda | 1-6,2-6 |
| ITF Indonesia F8 | 2017/11/30 03:00 | Sora Fukuda v Yuichi Ito | 7-5,6-3 |
| ITF Indonesia F8 | 2017/11/28 05:20 | Sora Fukuda v Arjun Kadhe | 6-7,7-6,7-6 |
| Challenger Toyota Qual | 2017/11/11 06:00 | Sora Fukuda v Yuya Kibi | 0-6,1-6 |
| Challenger - Kobe | 2017/11/08 04:50 | Sora Fukuda v John Millman | 1-6,1-6 |
| Challenger - Kobe | 2017/11/07 02:00 | Lloyd Harris v Sora Fukuda | 6-4,3-6,0-6 |
| Challenger Kobe Qual | 2017/11/06 02:00 | Tsung-Hua Yang v Sora Fukuda | 4-6,2-6 |
| Challenger Kobe Qual | 2017/11/05 02:00 | Yasutaka Suzuki v Sora Fukuda | 0-6,3-6 |
| ITF Hong Kong F5 | 2017/12/24 03:00 | Francesco Bessire v Takashi Saito | 3-6,2-6 |
| ITF Hong Kong F5 | 2017/12/23 05:00 | Wai Yu Kai v Takashi Saito | 1-6,0-6 |
| 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 |