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