| Champ: |  Bernabé Zapata Miralles |
| Runner: |  Jiří Lehečka |
| Score: | 6–3, 6–2 |
| Type: | singles doubles |
| Before Year: | 2019 |
See main article: 2021 Poznań Open.
Tommy Robredo was the defending champion[1] but chose not to defend his title.
Bernabé Zapata Miralles won the title after defeating Jiří Lehečka 6–3, 6–2 in the final.