Stadium: Court 1N Round: 54 Ground: Hardcourt outdoor
| ITF M15 Memphis | 2022/08/18 19:00 | Alexander Petrov v Thai-Son Kwiatkowski | 6-7,6-7 |
| ITF M15 Memphis | 2022/08/18 01:15 | Alexander Petrov v Cooper Williams | 4-6,7-5,7-5 |
| ITF M25 Columbus | 2022/08/10 15:55 | Rinky Hijikata v Alexander Petrov | 7-5,6-4 |
| ITF M25 Columbus | 2022/08/09 13:00 | Alexander Petrov v Kyle Overmyer | 6-0,6-0 |
| ITF M25 Decatur | 2022/08/03 16:10 | Alexander Petrov v Tyler Zink | 3-6,1-6 |
| ITF M25 Edwardsville | 2022/07/27 18:30 | Alexander Petrov v Nathan Ponwith | 6-4,6-7,4-6 |
| ITF M25 Edwardsville | 2022/07/27 01:25 | Christian Lakoseljac v Alexander Petrov | 1-6,2-6 |
| ITF M25 Edwardsville | 2022/07/25 14:00 | Liam Oliver v Alexander Petrov | 1-6,1-6 |
| ITF M15 Uberlingen | 2022/08/16 08:00 | Daniel Siniakov v Jakub Ostajewski | 3-6,6-3,10-7 |
| ITF M15 Waco | 2022/07/06 13:30 | Jakub Ostajewski v Kaylan Bigun | 3-6,3-6 |
| ITF M15 Waco | 2022/07/05 13:30 | Babji Siva Atturu v Jakub Ostajewski | 0-6,1-6 |
| ITF M15 Waco | 2022/07/04 13:30 | Matthew Vos v Jakub Ostajewski | 3-6,1-6 |
| ITF M25 Dallas | 2022/06/27 14:00 | Jett Middleton v Jakub Ostajewski | 6-1,3-6,10-0 |
| ITF M15 South Bend | 2022/06/20 13:00 | Mac Kiger v Jakub Ostajewski | 6-1,6-1 |
| ITF M25 Cancun | 2022/05/16 14:00 | Jakub Ostajewski v Gabriel Evans | 3-6,4-6 |
| ITF M15 Cancun | 2022/05/10 15:00 | Jakub Ostajewski v Rowland Phillips | 3-6,0-6 |