Round: 62 Ground: Hardcourt outdoor
| ITF Hong Kong F6 | 2018/01/03 03:30 | Viola, Matteo v Saito, Takashi | 4-6,6-2,6-4 |
| ITF Hong Kong F6 | 2018/01/01 02:00 | Sou, Ming Chun Alan v Saito, Takashi | 2-6,1-6 |
| ITF Hong Kong F5 | 2017/12/28 02:00 | Saito, Takashi v Zhurbin, Alexander | 6-7,4-6 |
| ITF Hong Kong F5 | 2017/12/27 02:30 | Saito, Takashi v Wong, Chun Hun | 5-7,7-6,7-5 |
| ITF Hong Kong F5 | 2017/12/26 06:10 | Sora Fukuda v Saito, Takashi | 6-4,6-7,3-6 |
| ITF Hong Kong F5 | 2017/12/24 03:00 | Bessire, Francesco v Saito, Takashi | 3-6,2-6 |
| ITF Hong Kong F5 | 2017/12/23 05:00 | Kai, Wai Yu v Saito, Takashi | 1-6,0-6 |
| ITF Turkey F44 | 2017/11/21 07:15 | Zhurbin, Alexander v Saito, Takashi | 6-0,6-2 |
| Challenger Kyoto Qual | 2018/02/17 06:40 | Blake Ellis v Tamaki Yamao | 6-4,6-4 |
| Challenger Kyoto Qual | 2017/02/18 01:00 | Kikuchi, Gengo v Tamaki Yamao | 7-6,6-4 |