2021 Slovak Open II – Singles

Singles
2021 Slovak Open II
Champion Tallon Griekspoor
Runner-up Zsombor Piros
Score6–3, 6–2

Maximilian Marterer was the defending champion but lost in the quarterfinals to Stefano Travaglia.

Tallon Griekspoor won the title after defeating Zsombor Piros 6–3, 6–2 in the final.