Stadium: Court 1 Round: 25 Ground: Clay
| Challenger Heilbronn | 2021/05/11 10:25 | Ergi Kirkin v Joao Menezes | 6-7,6-2,5-7 |
| Challenger Heilbronn | 2021/05/10 09:30 | Ergi Kirkin v Zizou Bergs | 2-6,6-3,6-4 |
| Challenger Heilbronn | 2021/05/09 10:00 | Mikael Torpegaard v Ergi Kirkin | 4-6,1-6 |
| ITF M15 LPD Gran Canaria | 2021/04/30 16:00 | Kyrian Jacquet v Ergi Kirkin | 6-3,6-2 |
| ITF M15 LPD Gran Canaria | 2021/04/29 09:00 | Alex M Pujolras v Ergi Kirkin | 6-1,4-6,3-6 |
| ITF M15 LPD Gran Canaria | 2021/04/27 11:20 | Pedro Vives Marcos v Ergi Kirkin | 6-7,7-6,3-6 |
| ITF M25 Angers | 2021/04/22 13:45 | Giovanni Mpetshi Perricard v Ergi Kirkin | 6-3,6-2 |
| ITF M25 Angers | 2021/04/20 09:30 | Ergi Kirkin v Louis Dussin | 6-1,7-5 |
| ITF M25 Jablonec Nad Nisou | 2021/05/18 07:30 | Robin Stanek v Gianluca Coloma-Heck | 6-1,6-1 |
| ITF M25 Jablonec Nad Nisou | 2021/05/17 08:30 | Robin Stanek v Jakub Mensik | 6-1,7-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/16 08:30 | Robin Stanek v Jakub Katuch | 6-1,6-2 |
| ITF M25 Prague | 2021/05/11 08:00 | Jan Satral v Robin Stanek | 6-3,6-4 |
| ITF M25 Prague | 2021/05/10 08:00 | Robert Rumler v Robin Stanek | 0-6,3-6 |
| ITF M25 Prague | 2021/05/09 08:30 | Jesus Echevarri v Robin Stanek | 2-6,2-6 |
| Czech Extraliga | 2020/12/14 10:40 | Robin Stanek v Filip Duda | 7-5,6-1 |
| Czech Extraliga | 2020/12/12 09:00 | Robin Stanek v Patrik Rikl | 4-6,6-7 |