Stadium: Court G Round: 62 Ground: Hardcourt outdoor
| ITF Japan F1 | 2018/03/03 03:00 | Takashi Saito v Tamaki Yamao | 7-6,6-4 |
| ITF Hong Kong F6 | 2018/01/03 03:30 | Matteo Viola v Takashi Saito | 4-6,6-2,6-4 |
| ITF Hong Kong F6 | 2018/01/01 02:00 | Ming Chun Alan Sou v Takashi Saito | 2-6,1-6 |
| ITF Hong Kong F5 | 2017/12/28 02:00 | Takashi Saito v Alexander Zhurbin | 6-7,4-6 |
| ITF Hong Kong F5 | 2017/12/27 02:30 | Takashi Saito v Chun Hun Wong | 5-7,7-6,7-5 |
| ITF Hong Kong F5 | 2017/12/26 06:10 | Sora Fukuda v Takashi Saito | 6-4,6-7,3-6 |
| 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 Japan F1 | 2018/03/04 01:00 | Shoji Sato v Itsuki Matsumoto | 4-6,4-6 |
| ITF Japan F1 | 2018/03/03 03:00 | Itsuki Matsumoto v Ryota Kishi | 6-3,6-1 |
| Challenger Kobe Qual | 2017/11/04 03:40 | Yosuke Watanuki v Itsuki Matsumoto | 6-4,6-3 |
| ITF Spain F31 | 2017/09/26 09:00 | Itsuki Matsumoto v Sergio Barranco | 3-6,4-6 |