Final score 6–0, 6–3 | ||
Marin Čilić was the defending champion, but withdrew with a knee injury before the tournament began.
Tommy Robredo won the title, defeating Fabio Fognini in the final, 6–0, 6–3.
Seeds
The top four seeds receive a bye into the second round.
References
2013 ATP Vegeta Croatia Open Umag – Singles Wikipedia(Text) CC BY-SA