Stadium: MTA 15 Round: 62 Ground: Clay
| 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 |
| ITF M25 Skopje | 2021/09/28 07:30 | Felix Gill v Matija Zugic | 6-3,6-0 |
| ITF M25 Skopje | 2021/09/27 07:30 | Alexandar Balj v Matija Zugic | 6-3,4-6,10-12 |
| ITF M15 Pirot | 2021/09/22 11:10 | David Jorda Sanchis v Matija Zugic | 6-0,6-2 |
| ITF M15 Ulcinj | 2021/09/09 08:30 | Savriyan Danilov v Matija Zugic | 6-2,6-0 |
| ITF M15 Ulcinj | 2021/09/07 07:55 | Matija Zugic v Luca Teboul | 6-4,6-4 |
| ITF M15 Ulcinj | 2021/08/29 11:30 | Matija Zugic v Milo Gazivoda | 3-6,3-6 |
| ITF M15 Doboj | 2021/07/11 12:30 | Kristof Minarik v Matija Zugic | 6-4,6-2 |
| ITF M15 Skopje | 2021/06/06 07:30 | Charles Tzicas v Matija Zugic | 6-1,6-3 |