| Challenger Ochsenhausen | 2020/02/06 11:20 | Walaszek, Przemyslaw v Jeongwoo Park | L | 0-3 |
| Challenger Ochsenhausen | 2020/01/12 16:24 | Walaszek, Przemyslaw v Thakkar Manav | L | 0-3 |
| Challenger Ochsenhausen | 2019/12/08 15:40 | Walaszek, Przemyslaw v Boguslav Koszyk | W | 3-2 |
| Challenger Ochsenhausen | 2019/12/01 15:40 | Robert Floras v Walaszek, Przemyslaw | L | 3-0 |
| Challenger Ochsenhausen | 2019/11/27 18:21 | Yu Khinhang v Walaszek, Przemyslaw | L | 3-0 |
| Polish Grand Prix | 2019/11/22 20:16 | Walaszek, Przemyslaw v Artur Bialek | L | 1-3 |
| Challenger Ochsenhausen | 2019/11/08 17:44 | Walaszek, Przemyslaw v Yang Wang | L | 0-3 |
| Challenger Ochsenhausen | 2019/10/25 16:26 | Walaszek, Przemyslaw v Daniel Bak | L | 0-3 |
| Japon - T League | 2020/02/16 05:00 | Yoshida, Masaki v Hou Yingchao | W | 3-0 |
| Japon - T League | 2020/01/26 05:30 | Takuya Jin v Yoshida, Masaki | W | 2-3 |
| Japon - T League | 2020/01/25 09:20 | Tomokazu Harimoto v Yoshida, Masaki | L | 3-0 |
| Japon - T League | 2019/12/28 05:10 | Maharu Yoshimura v Yoshida, Masaki | L | 3-1 |
| Japon - T League | 2019/12/07 05:20 | Yoshida, Masaki v Oshima, Yuya | W | 3-1 |
| Japon - T League | 2019/09/07 03:30 | Joo Se Hyuk v Yoshida, Masaki | L | 3-0 |
| Japon - T League | 2019/09/05 10:35 | Yoshida, Masaki v Hirano, Yuki | L | 1-3 |
| Japan Open 2019, MS | 2019/06/14 06:00 | Woojin Jang v Yoshida, Masaki | L | 4-1 |