2011 Rijeka Open – Singles

Blaž Kavčič was the defending champion, but he lost to Paolo Lorenzi 6–4, 1–6, 4–6 in the quarterfinals.Rui Machado won in the final against Grega Žemlja 6–3, 6–0.

2011 Rijeka Open – Singles

Blaž Kavčič was the defending champion, but he lost to Paolo Lorenzi 6–4, 1–6, 4–6 in the quarterfinals.Rui Machado won in the final against Grega Žemlja 6–3, 6–0.