Stadium: Court N-3 Round: 54 Ground: Hardcourt outdoor
| ITF M25 - Santo Domingo | 2022/06/15 17:30 | Hernando J E Isnardi v Mac Kiger | 6-1,7-6 |
| ITF M25 - Santo Domingo | 2022/06/14 13:00 | Mac Kiger v Razvan Baiant | 6-1,6-1 |
| ITF M25 - Santo Domingo | 2022/06/13 14:35 | Jesus M Rosario v Mac Kiger | 0-6,0-6 |
| ITF M25 Santo Domingo Qual | 2022/06/12 15:30 | Mac Kiger v Jim A De Leon Aquino | 6-1,6-0 |
| UTR Pro Tennis Series - New York | 2022/01/02 15:00 | Mac Kiger v Diogo Marques | 0-0 |
| UTR Pro Tennis Series - New York | 2022/01/01 21:44 | Mac Kiger v Udayan Bhakar | 7-6,6-2 |
| UTR Pro Tennis Series - New York | 2021/12/31 17:00 | Mac Kiger v Brian Shi | 2-6,7-5,3-6 |
| UTR Pro Tennis Series - New York | 2021/12/30 17:30 | Mac Kiger v Liam Krall | 1-6,6-2,4-6 |
| 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 |
| ITF M15 - Vero Beach | 2022/04/25 16:00 | Alvaro G Meza v Jakub Ostajewski | 6-1,6-2 |
| ITF M15 - Sharm El Sheikh | 2022/04/04 09:00 | Cesar Bourgois v Jakub Ostajewski | 6-3,6-3 |
| ITF M15 - Sharm El Sheikh | 2022/03/27 09:00 | Jakub Ostajewski v Cyril Vandermeersch | 2-6,1-6 |
| ITF M15 - Sharm El Sheikh | 2022/03/20 07:00 | Jakub Ostajewski v Zura Tkemaladze | 0-6,3-6 |