Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| UTR Pro Tennis Series Brisbane | 2020/07/18 09:00 | Jayden Court v Jack Barnett | 3-6,6-7 |
| UTR Pro Tennis Series Brisbane | 2020/07/17 06:30 | Patrick Harper v Jack Barnett | 6-0,6-2 |
| UTR Pro Tennis Series Brisbane | 2020/07/16 06:30 | Jack Barnett v Chen Dong | 2-6,3-6 |
| UTR Pro Tennis Series Brisbane | 2020/07/15 06:30 | Moerani Bouzige v Jack Barnett | 6-2,7-5 |
| ITF M25 Harlingen | 2024/10/15 18:05 | Oskar Grzegorzewski v Adam Lynch | 6-3,6-2 |
| ITF M25 Harlingen | 2024/10/14 16:00 | Oskar Grzegorzewski v Liam Krall | 2-6,6-2,10-6 |
| ITF M25 Louisville | 2024/10/07 16:30 | Oskar Grzegorzewski v Keshav Chopra | 5-7,2-6 |
| ITF M15 Vaasa | 2024/08/06 07:55 | Alvin N Tudorica v Oskar Grzegorzewski | 6-3,6-0 |
| ITF M15 Vaasa | 2024/08/05 07:00 | Valtteri Tuukkanen v Oskar Grzegorzewski | 5-7,3-6 |
| ITF M15 Bucharest | 2024/07/16 06:00 | Ivan Kazakov v Oskar Grzegorzewski | 6-3,1-6,11-9 |
| ITF M15 Bucharest | 2024/07/15 06:00 | Gianluca Carlini v Oskar Grzegorzewski | 6-1,5-7,6-10 |
| ITF M25 Lodz | 2024/07/08 12:00 | Filip Pieczonka v Oskar Grzegorzewski | 7-5,6-3 |