Stadium: Court 4 Round: 25 Ground: Clay
| ITF M25 Angers | 2021/04/21 11:55 | Markus Eriksson v Pol Martin Tiffon | 5-7,0-6 |
| ITF M25 Meerbusch | 2021/04/15 10:00 | Markus Eriksson v Milan Welte | 3-6,1-6 |
| ITF M25 Meerbusch | 2021/04/13 13:15 | Markus Eriksson v Christopher Heyman | 7-6,5-7,6-4 |
| ITF M25 La Nucia | 2021/03/17 10:00 | Markus Eriksson v Simon Beaupain | 6-7,5-7 |
| ITF M15 La Nucia | 2021/03/12 11:55 | Pablo Llamas Ruiz v Markus Eriksson | 6-2,6-2 |
| ITF M15 La Nucia | 2021/03/11 10:00 | Lucas Bouquet v Markus Eriksson | 6-7,6-3,2-6 |
| ITF M15 La Nucia | 2021/03/09 16:30 | Jordi Garcia Mestre v Markus Eriksson | 3-6,4-6 |
| ITF M15 Antalya | 2021/02/04 11:15 | Jacopo Berrettini v Markus Eriksson | 6-3,6-1 |
| ITF M25 Prague | 2021/05/11 08:00 | Pavel Nejedly v Patrik Rikl | 2-6,2-6 |
| ITF M25 Prague | 2021/05/10 10:30 | Antonin Bolardt v Patrik Rikl | 1-6,4-6 |
| ITF M25 Prague | 2021/05/09 12:30 | Peter Samosi v Patrik Rikl | 4-6,0-6 |
| Challenger Prague | 2021/05/02 12:00 | Kacper Zuk v Patrik Rikl | 4-6,7-6,6-3 |
| Challenger Ostrava | 2021/04/27 09:10 | Patrik Rikl v Sergiy Stakhovsky | 4-6,2-6 |
| ITF M15 St Petersburg | 2021/04/15 12:00 | Patrik Rikl v Yanki Erel | 3-6,5-7 |
| ITF M15 St Petersburg | 2021/04/13 11:30 | Patrik Rikl v Aristarkh Safonov | 6-4,6-2 |
| ITF M15 St Petersburg | 2021/04/07 08:50 | Gijs Brouwer v Patrik Rikl | 6-2,4-6,7-5 |