Stadium: Court 9 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Boca Raton | 2022/11/16 15:30 | Guy Den Ouden v Thomas Brown | 6-3,6-3 |
| ITF M15 Boca Raton | 2022/11/15 14:00 | Thomas Brown v Jelani Sarr | 7-5,6-4 |
| ITF M15 Boca Raton | 2022/11/14 16:00 | Murgett, Finn v Thomas Brown | 3-6,0-6 |
| UTR Pro Tennis Series Winston-Salem | 2022/09/06 14:30 | Thomas Brown v Juan David Velasquez | 5-7,6-2,0-0 |
| ITF M15 Quito | 2022/05/25 14:15 | 로드리구에즈-페이스, 리카르도 v Thomas Brown | 6-4,6-3 |
| UTR Pro Tennis Series Florida | 2021/06/09 16:00 | Cooper Williams v Thomas Brown | 0-0 |
| UTR Pro Tennis Series Florida | 2021/06/08 14:30 | 하프, 클리브 v Thomas Brown | 6-3,5-1 |
| UTR Pro Tennis Series Florida | 2021/06/05 16:30 | 세구라, 마튜 v Thomas Brown | 6-1,6-1 |
| ITF M25 Malibu | 2023/01/02 17:00 | Alex Kuperstein v Jakub Ostajewski | 7-6,6-2 |
| ITF M15 Boca Raton | 2022/11/14 16:00 | Sean Daryabeigi v Jakub Ostajewski | 6-2,6-3 |
| ITF M15 Winston-Salem | 2022/11/07 18:00 | 스토리, 제임스 v Jakub Ostajewski | 6-2,7-5 |
| ITF M15 Lubbock | 2022/09/21 17:05 | Jakub Ostajewski v Wojcik, Jakub | 4-6,4-6 |
| ITF M15 Lubbock | 2022/09/20 14:00 | Demulling, Wyatt v Jakub Ostajewski | 6-1,4-6,4-10 |
| ITF M15 Lubbock | 2022/09/19 16:30 | Zachary Mintz v Jakub Ostajewski | 1-6,0-6 |
| ITF M15 Champaign | 2022/09/13 15:00 | Alexander Petrov v Jakub Ostajewski | 6-2,6-2 |
| ITF M15 Ueberlingen | 2022/08/16 08:00 | 시니아코브, 다니엘 v Jakub Ostajewski | 3-6,6-3,10-7 |