Stadium: Court 6 Round: 62 Ground: Clay
| ITF M25 Kottingbrunn | 2021/07/18 07:30 | Postolka, Roman v Jakub Kroslak | 4-6,3-6 |
| ITF M15 Poprad | 2021/07/04 11:00 | Jakub Kroslak v Terczynski, Mateusz | 6-2,6-7,9-11 |
| ITF - M15 Monastir | 2021/03/28 09:00 | Kalinin, Aleksandr v Jakub Kroslak | 7-5,7-6 |
| ITF - M15 Monastir | 2021/03/22 10:00 | Jakub Kroslak v Aristotelis Thanos | 4-6,2-6 |
| ITF - M15 Monastir | 2021/03/21 16:00 | Jakub Kroslak v Tushar Sharma | 6-1,6-1 |
| ITF M15 Bratislava | 2021/03/09 09:00 | Jakub Kroslak v Luca Van Assche | 2-6,1-6 |
| ITF M15 Bratislava | 2021/03/08 15:00 | Jakub Kroslak v Radovan Michalik | 6-1,1-6,10-7 |
| ITF M25 Kottingbrunn | 2021/07/18 07:30 | Gabriele Moghini v Makk, Peter | 3-6,3-6 |
| ITF - M15 Antalya | 2021/06/21 07:00 | Scott, Fletcher v Makk, Peter | 6-4,6-4 |
| ITF - M15 Antalya | 2021/06/20 07:00 | Credit Chaiyarin v Makk, Peter | 1-6,1-6 |
| ITF - M25 Kiseljak | 2021/05/24 11:00 | Makk, Peter v Valentin Lapalu | 3-6,4-6 |
| ITF - M15 Antalya | 2021/03/25 06:55 | Makk, Peter v Daniel Michalski | 1-6,7-5,6-7 |
| ITF - M15 Antalya | 2021/03/24 06:30 | Turchetti, Nicolo v Makk, Peter | 4-6,6-7 |
| ITF - M15 Antalya | 2021/03/22 07:00 | Dabryian, Artsiom v Makk, Peter | 4-6,1-6 |
| ITF - M15 Antalya | 2021/03/21 07:00 | Tasenkov, Vladislav v Makk, Peter | 2-6,2-6 |