2021_San_Marino_Open_–_Singles
2021 San Marino Open – Singles
2021 tennis event results
Adrian Ungur was the defending champion when the event was last held in 2014[1] but chose not to defend his title as he had retired from professional tennis.
Holger Rune won the title after defeating Orlando Luz 1–6, 6–2, 6–3 in the final.