| UTR Pro Yokohama | 02/01 05:35 | 28 | Kazuki Saito v Daisuke Inagawa | 3-6,6-3,6-7 | |
| UTR Pro Yokohama | 01/30 03:05 | - | Kazuki Saito v Keisuke Ota | 5-7,4-6 | |
| UTR Pro Yokohama | 01/29 01:00 | - | Kazuki Saito v Koki Matsuda | 0-6,1-6 | |
| UTR Pro Yokohama | 01/28 08:25 | - | Kazuki Saito v Arjun Mehrotra | 0-6,0-6 | |
| UTR Pro Urayasu | 05/11 01:30 | - | Nicholas Jovanovski v Kazuki Saito | 6-7,6-3,6-2 | |
| UTR Pro Urayasu | 05/09 03:00 | - | Kazuki Saito v Seiya Nakanishi | 4-6,2-6 | |
| UTR Pro Urayasu | 05/09 01:30 | - | Kazuki Saito v Toa Maeda | 2-6,6-7 |