Stadium: Court 1 Round: 62 Ground: Clay
| ITF M15 Antalya | 2021/11/21 06:30 | Andrej Krajcik v Masood Eisa-Beygi | 6-2,6-0 |
| ITF M15 Antalya | 2021/11/14 06:30 | Adelchi Virgili v Andrej Krajcik | 6-3,6-4 |
| ITF M15 Antalya | 2021/11/07 06:30 | Marlon Vankan v Andrej Krajcik | 6-3,6-4 |
| ITF M15 Antalya | 2021/10/31 07:00 | Andrej Krajcik v Vyacheslav Ovchinnikov | 3-6,1-6 |
| ITF M15 Zilina | 2021/09/01 09:20 | Wojciech Marek v Andrej Krajcik | 6-0,6-3 |
| ITF M15 Bratislava | 2021/08/25 10:20 | Mariano Navone v Andrej Krajcik | 6-2,6-0 |
| ITF M15 Bratislava | 2021/08/18 08:00 | Frane Nincevic v Andrej Krajcik | 6-3,6-4 |
| ITF M15 Novi Sad | 2021/08/01 12:45 | Andrej Krajcik v Eric Morris | 1-6,6-1,8-10 |
| ITF M15 Antalya | 2021/11/21 06:30 | Teun Rozenberg v Matija Zugic | 6-2,6-3 |
| UTR Pro Tennis Series Amsterdam | 2021/11/07 09:00 | Edison Ambarzumjan v Teun Rozenberg | 1-6,2-5 |
| UTR Pro Tennis Series Amsterdam | 2021/11/06 09:00 | Teun Rozenberg v Tom Clavel | 6-3,4-3 |
| UTR Pro Tennis Series Amsterdam | 2021/11/05 12:00 | Teun Rozenberg v Max Houkes | 7-6,2-6,3-6 |
| UTR Pro Tennis Series Amsterdam | 2021/11/04 09:00 | Teun Rozenberg v Thorsten Sollie | 1-6,4-6 |
| ITF M15 Oldenzaal | 2021/08/16 10:00 | Teun Rozenberg v Felipe Derdoy | 6-7,7-5,10-12 |
| ITF M15 Oldenzaal | 2021/08/15 09:30 | Joppe Van Malderen v Teun Rozenberg | 1-6,3-6 |