| Spanish Open | 2020/02/06 13:05 | Mizuki Oikawa v Martin Andersen | W | 4-0 |
| German Open | 2020/01/31 20:10 | Xin Xu v Mizuki Oikawa | L | 4-1 |
| German Open | 2020/01/30 19:50 | Mizuki Oikawa v Patrick Franziska | W | 4-2 |
| German Open | 2020/01/29 12:40 | Mizuki Oikawa v Cheng-Ting Liao | W | 4-2 |
| Austrian Open | 2019/11/14 17:20 | Zhendong Fan v Mizuki Oikawa | L | 4-0 |
| German Open | 2019/10/08 19:15 | An Yan v Mizuki Oikawa | L | 4-1 |
| Czech Open | 2019/08/21 10:50 | Mizuki Oikawa v Ruwen Filus | L | 1-4 |
| Australian Open | 2019/07/11 10:50 | Long Ma v Mizuki Oikawa | L | 4-2 |
| Spanish Open | 2020/02/06 13:05 | Hiroto Shinozuka v Daniel Gonzalez | W | 4-1 |
| Oman Open U21 Women | 2020/02/06 09:40 | Hiroto Shinozuka v Fanbo Meng | L | 2-3 |
| Oman Open U21 Women | 2020/02/05 15:40 | Artur Abusev v Hiroto Shinozuka | W | 1-3 |
| German Open | 2020/01/28 08:30 | Hiroto Shinozuka v Steffen Mengel | L | 3-4 |
| Oman Open U21 Women | 2019/11/01 06:30 | Jules Rolland v Hiroto Shinozuka | L | 3-1 |
| Belarus Open | 2019/10/31 11:40 | Hiroto Shinozuka v Lev Katsman | W | 4-2 |
| Polish Open | 2019/10/19 11:30 | Hiroto Shinozuka v Haidong Xu | L | 3-4 |
| German Open | 2019/10/08 08:45 | Carlos Machado v Hiroto Shinozuka | W | 2-4 |