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