Stadium: Court 1 Round: 54 Ground: Carpet indoor
| ITF M15 Novi Sad | 2021/08/03 08:00 | Domagoj Biljesko v Millen Hurrion | 7-5,6-2 |
| ITF M15 Novi Sad | 2021/08/02 09:30 | Franco Roncadelli v Millen Hurrion | 3-6,4-6 |
| ITF M15 Novi Sad | 2021/08/01 13:45 | Pavle Daljev v Millen Hurrion | 1-6,3-6 |
| International Tennis Series | 2020/07/08 12:00 | Millen Hurrion v Micah Braswell | 6-7,3-6 |
| International Tennis Series | 2020/07/06 15:25 | David Metz v Millen Hurrion | 4-6,1-6 |
| International Tennis Series | 2020/07/06 13:50 | Ryan Shane v Millen Hurrion | 1-6,6-4,10-3 |
| International Tennis Series | 2020/07/05 13:35 | Millen Hurrion v Ivan Yatsuk | 4-6,4-6 |
| International Tennis Series | 2020/07/05 12:00 | Millen Hurrion v Tommaso Carnevale-Miino | 6-1,6-3 |
| ITF M15 Novi Sad | 2021/08/03 08:00 | Alex Knaff v Roko Horvat | 4-6,6-1,6-10 |
| ITF M15 Novi Sad | 2021/08/02 12:30 | Alen Rogic-Hadzalic v Alex Knaff | 2-6,1-6 |
| ITF M15 Novi Sad | 2021/08/01 14:00 | Alex Knaff v Admir Kalender | 7-5,6-4 |
| ITF M15 Novi Sad | 2021/07/27 09:05 | Alex Knaff v Bekkhan Atlangeriev | 4-6,2-6 |
| ITF M15 Novi Sad | 2021/07/26 12:00 | Alex Knaff v Tomislav Jotovski | 5-7,6-2,11-9 |
| ITF M15 Novi Sad | 2021/07/25 10:45 | Luka Pavlovic v Alex Knaff | 6-7,7-5,13-15 |
| ITF M15 Esch/Alzette | 2021/07/20 15:45 | Marlon Vankan v Alex Knaff | 6-4,6-4 |
| Davis Cup | 2021/06/18 10:30 | Valentin Vacherot v Alex Knaff | 6-2,6-3 |