Stadium: Court 9 Round: 62 Ground: Clay
| ITF M25 Pardubice | 2021/09/20 10:00 | Matthias Uwe Kask v Dominik Recek | 0-6,0-6 |
| ITF M25 Pardubice | 2021/09/19 09:00 | Matthias Uwe Kask v Vojtech Mares | 6-4,4-6,10-3 |
| ITF M15 Parnu | 2021/08/02 08:00 | Martins Rocens v Matthias Uwe Kask | 6-4,6-1 |
| ITF M15 Sibenik | 2021/05/16 12:30 | Leon Benedict v Matthias Uwe Kask | 4-6,6-2,10-6 |
| ITF M15 Sibenik | 2021/04/19 13:50 | Matthias Uwe Kask v Luigi Castelletti | 5-7,6-2,15-17 |
| ITF M15 Opatija | 2021/03/21 11:00 | Matthias Uwe Kask v Bozo Barun | 2-6,4-6 |
| ITF M25 Monastir | 2022/01/16 11:00 | Zvonimir Babic v Charlelie Cosnet | 3-6,2-6 |
| ITF M25 Villers Les Nancy | 2021/11/07 08:55 | Zvonimir Babic v Adan Freire Da Silva | 7-5,3-6,8-10 |
| ITF M25 Setubal | 2021/10/03 14:00 | Zvonimir Babic v Bernardo Teixeira | 2-6,6-1,8-10 |