Stadium: Herbie Court Round: 54 Ground: Clay
| ITF Germany F15 | 2018/10/08 08:00 | Dominik Recek v Karlo Cubelic | 3-6,4-6 |
| ITF M25 Most | 2021/05/26 12:00 | Patrik Rikl v Dominik Recek | 6-1,6-2 |
| ITF M25 Most | 2021/05/25 07:55 | Martin Damm v Dominik Recek | 6-3,6-3 |
| ITF M25 Most | 2021/05/24 09:00 | Roman Postolka v Dominik Recek | 3-6,7-6,6-10 |
| ITF M25 Most | 2021/05/23 14:00 | Martin Machala v Dominik Recek | 4-6,0-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/17 08:30 | Lenny Hampel v Dominik Recek | 6-2,7-5 |
| ITF M25 Prague | 2021/05/10 10:30 | Franco Agamenone v Dominik Recek | 6-0,6-2 |
| ITF M25 Prague | 2021/05/09 11:00 | Kris Krawcewicz v Dominik Recek | 6-2,5-7,7-10 |
| ITF M15 St Petersburg | 2021/04/12 07:00 | Sarp Agabigun v Dominik Recek | 6-4,6-2 |
| ITF M15 Antalya | 2021/06/06 07:30 | Karlo Cubelic v Vitali Shvets | 5-7,6-4,3-10 |
| ITF M15 Jerusalem | 2021/05/13 07:00 | Karlo Cubelic v Felix Corwin | 2-6,0-6 |
| ITF M15 Jerusalem | 2021/05/12 12:00 | Roi Ginat v Karlo Cubelic | 1-6,3-6 |
| ITF M15 Jerusalem | 2021/05/11 06:30 | Karlo Cubelic v Charles Minc | 5-7,6-4,10-5 |
| ITF M15 Jerusalem | 2021/05/10 07:00 | Karlo Cubelic v Stefan Simeunovic | 6-1,6-1 |
| ITF M15 Ramat Hasharon | 2021/05/04 07:00 | Karlo Cubelic v Bradley Paliska | 4-6,4-6 |
| ITF M15 Ramat Hasharon | 2021/05/03 07:00 | Karlo Cubelic v Ofek Amoyal | 6-3,6-3 |
| ITF M25 Meerbusch | 2021/04/11 13:00 | Tomas Papik v Karlo Cubelic | 3-6,2-6 |