Stadium: Court Tsitsipas Round: 27 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2021/11/03 07:00 | Markus Eriksson v William Ma | 6-3,6-4 |
| ITF M25 Hamburg | 2021/10/20 08:00 | Kai Wehnelt v Markus Eriksson | 6-4,7-5 |
| ITF M25 Falun | 2021/09/28 14:30 | Antoine Escoffier v Markus Eriksson | 6-1,7-5 |
| ITF M25 Jonkoping | 2021/09/20 11:05 | Valentin Royer v Markus Eriksson | 6-7,6-4,7-6 |
| Challenger Banja Luka | 2021/09/05 09:00 | Jonathan Mridha v Markus Eriksson | 6-3,6-2 |
| ITF M25 Poznan | 2021/08/25 13:10 | Roman Andres Burruchaga v Markus Eriksson | 6-2,6-1 |
| ITF M15 Lodz | 2021/08/19 07:55 | Wojciech Marek v Markus Eriksson | 6-4,7-5 |
| ITF M15 Lodz | 2021/08/17 08:00 | Karlis Ozolins v Markus Eriksson | 6-7,6-1,2-6 |
| ITF M15 Heraklion | 2021/11/04 07:00 | Peter Goldsteiner v Jonas Trinker | 3-6,3-6 |
| ITF M15 Heraklion | 2021/11/03 09:20 | Stephanos Schinas v Jonas Trinker | 3-6,2-6 |
| ITF M15 Selva Gardena | 2021/10/25 16:30 | Jonas Trinker v Federico Iannaccone | 1-6,3-6 |
| ITF M15 Warmbad-Villach | 2021/08/18 12:45 | Gabriel Decamps v Jonas Trinker | 6-1,7-6 |
| ITF M25 Klosters | 2021/06/21 07:00 | Jonas Trinker v Tomas Papik | 5-7,6-3,4-10 |
| Austrian Pro Series | 2020/06/12 14:00 | Lenny Hampel v Jonas Trinker | 6-3,6-4 |
| Austrian Pro Series | 2020/06/11 09:25 | Jonas Trinker v Dennis Novak | 1-6,1-6 |
| Austrian Pro Series | 2020/06/09 15:50 | Jonas Trinker v Alexander Erler | 3-6,4-6 |