Stadium: I Round: 27 Ground: Hardcourt outdoor
| ITF Japan F8 | 2017/06/13 01:30 | Takashi Saito v Yuki Mochizuki | 6-7,1-6 |
| ITF Japan F1 | 2018/03/08 07:15 | Jumpei Yamasaki v Yuki Mochizuki | 1-6,3-6 |
| ITF Japan F1 | 2018/03/07 03:15 | Yuki Mochizuki v Naru Shirafuji | 6-4,6-3 |
| Challenger Kobe Qual | 2017/11/04 02:00 | Yuki Mochizuki v Marinko Matosevic | 4-6,3-6 |
| ITF Hong Kong F2 | 2017/07/01 01:30 | Jacob Grills v Yuki Mochizuki | 5-7,1-6 |
| ITF Hong Kong F2 | 2017/06/29 02:00 | Nicholas S. Hu v Yuki Mochizuki | 6-7,4-6 |
| ITF Hong Kong F2 | 2017/06/28 03:15 | Yuki Mochizuki v Dzmitry Zhyrmont | 6-1,6-4 |
| ITF Hong Kong F2 | 2017/06/27 02:30 | Skyler Butts v Yuki Mochizuki | 6-3,4-6,5-7 |
| ITF Hong Kong F1 | 2017/06/24 02:30 | Yecong He v Yuki Mochizuki | 6-2,6-3 |
| ITF Japan F1 | 2018/03/08 03:10 | Yuichi Ito v Takashi Saito | 2-6,4-6 |
| ITF Japan F1 | 2018/03/07 01:00 | Takashi Saito v Makoto Ochi | 6-3,2-6,6-4 |
| ITF Japan F1 | 2018/03/05 01:00 | Takashi Saito v Itsuki Matsumoto | 6-3,6-4 |
| 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 |