| UTR Pro Suita | 04/28 00:30 | - | Mizuki Kawada v Kohtaro Kuriyama | 5-7,2-6 | |
| UTR Pro Suita | 04/27 08:00 | - | Yamato Nishiyama v Kohtaro Kuriyama | 5-7,1-6 | |
| UTR Pro Suita | 04/26 04:43 | - | Natsuki Yamamoto v Kohtaro Kuriyama | 6-2,3-6,2-6 | |
| UTR Pro Suita | 04/25 02:44 | - | Shion Itsusaki v Kohtaro Kuriyama | 7-5,6-3 | |
| UTR Pro Suita | 04/23 04:47 | - | Yuta Kikuchi v Kohtaro Kuriyama | 6-1,6-4 |