| WTT Feeder Havířov | 04/15 16:15 | 5 | Kwan Kit Ho v Mizuki Oikawa | L | 3-1 | |
| WTT Feeder Düsseldorf | 04/11 16:45 | 3 | Mizuki Oikawa v Daeseong Cho | L | 0-3 | |
| WTT Feeder Düsseldorf | 04/11 11:15 | 4 | Cheng-Ting Liao v Mizuki Oikawa | W | 0-3 | |
| WTT Feeder Düsseldorf | 04/10 17:00 | 5 | Filip Zeljko v Mizuki Oikawa | W | 0-3 | |
| WTT Feeder Biella | 12/15 19:00 | 4 | Mizuki Oikawa v Benedikt Duda | L | 1-3 | |
| WTT Feeder Biella | 12/15 11:45 | 5 | Mizuki Oikawa v Andrei Istrate | W | 3-1 | |
| WTT Feeder Biella | 12/14 20:30 | 6 | Mizuki Oikawa v Lilian Bardet | W | 3-2 | |
| Japonsko - T League | 11/11 09:00 | - | Mizuki Oikawa v Tomokazu Harimoto | L | 0-3 | |
| WTT Star Contender Lanzhou | 10/04 06:00 | - | Siu Hang Lam v Mizuki Oikawa | L | 3-0 | |
| WTT Feeder Bangkok | 09/09 05:10 | - | Mizuki Oikawa v Maharu Yoshimura | L | 2-3 | |
| WTT Feeder Bangkok | 09/08 05:20 | - | Mizuki Oikawa v Kakeru Sone | W | 3-1 | |
| WTT Feeder Bangkok | 09/07 12:55 | - | Mizuki Oikawa v Daewoo Kim | W | 3-1 |