| Polish Open | 2020/03/12 13:15 | Olav Kosolosky v Leonardo Castillo Herrera | W | 3-0 |
| Polish Open | 2020/03/11 16:20 | Emiliano Riofrio v Olav Kosolosky | W | 0-3 |
| Oman Open U21 Women | 2020/03/11 10:20 | Olav Kosolosky v Leonardo Castillo Herrera | W | 3-0 |
| Oman Open U21 Women | 2020/03/11 09:00 | Olav Kosolosky v Diego Orantes | W | 3-0 |
| ETTU Cup | 2019/12/16 19:05 | Stanislav Kucera v Olav Kosolosky | L | 3-1 |
| Polish Open | 2019/10/17 10:10 | Jules Rolland v Olav Kosolosky | L | 3-2 |
| Polish Open | 2019/10/16 12:45 | Olav Kosolosky v Artur Grela | W | 3-0 |
| Qatar Open XD | 2018/10/25 09:10 | Brian Afanador v Olav Kosolosky | L | 3-1 |
| Slovenia Open U21 | 2019/05/09 07:00 | Thibaut Darcis v Layan Neumann | L | 3-0 |
| Slovenia Open | 2019/05/08 15:40 | Viacheslav Burov v Layan Neumann | L | 3-0 |
| Slovenia Open | 2019/05/08 11:00 | Tai-Wei Wang v Layan Neumann | L | 3-0 |