| WTT Contender Lasko | 2021/11/02 08:35 | Qihao Zhou v Olav Kosolosky | W | 2-3 |
| WTT Contender Lasko | 2021/11/01 13:00 | Carlo Rossi v Olav Kosolosky | W | 2-3 |
| Open dell'Oman U21 femminile | 2020/03/12 16:20 | Olav Kosolosky v Layan Neumann | W | 3-0 |
| Open di Polonia | 2020/03/12 13:15 | Olav Kosolosky v Leonardo Castillo Herrera | W | 3-0 |
| Open di Polonia | 2020/03/11 16:20 | Emiliano Riofrio v Olav Kosolosky | W | 0-3 |
| Open dell'Oman U21 femminile | 2020/03/11 10:20 | Olav Kosolosky v Leonardo Castillo Herrera | W | 3-0 |
| Open dell'Oman U21 femminile | 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 |
| WTT Contender Lasko | 2021/11/02 08:35 | John Oyebode v Youssef Abdel-Aziz | W | 3-1 |
| Challenger - Ochsenhausen | 2021/10/05 09:00 | Kenan Hrnic v John Oyebode | L | 3-1 |
| Challenger - Ochsenhausen | 2021/10/05 07:00 | Andrey Semenov v John Oyebode | L | 3-1 |
| Challenger - Ochsenhausen | 2021/10/04 18:40 | Guilherme Teodoro v John Oyebode | W | 1-3 |
| Challenger - Ochsenhausen | 2021/10/04 16:40 | John Oyebode v Carlos Muhlbach | L | 2-3 |
| Challenger - Ochsenhausen | 2021/10/04 14:00 | John Oyebode v Evgueni Chtchetinine | L | 0-3 |
| Challenger - Ochsenhausen | 2021/10/04 11:10 | John Oyebode v Rafael Turrini | W | 3-1 |
| Challenger - Ochsenhausen | 2021/10/04 08:30 | Dauud Cheaib v John Oyebode | L | 3-0 |