Kevin Anderson was the defending champion, but lost to

John Isner John Robert Isner (born April 26, 1985) is an American former professional tennis player. He was ranked as high as world No. 8 in singles and No. 14 in doubles by the Association of Tennis Professionals (ATP). Considered one of the best servers ...

in the quarterfinals.

Ernests Gulbis Ernests Gulbis (, born 30 August 1988) is a Latvian former professional tennis player. His career-high singles ranking is world No. 10, making him the only male Latvian tennis player ever to be ranked inside the top 10, a feat achieved in June 20 ...

won the title, defeating

Édouard Roger-Vasselin Édouard Roger-Vasselin (; born 28 November 1983) is a French professional tennis player who specializes in doubles. He won two Grand Slam titles in doubles at the 2014 French Open, partnering Julien Benneteau, and mixed doubles at the 2024 ...

7–6^(7–3), 6–3 in the final.

Seeds

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Lucky losers

Ričardas Berankis Ričardas Berankis (; born June 21, 1990) is a Lithuanian professional tennis player. He is the first and only Lithuanian to enter the Association of Tennis Professionals, ATP top 50 rankings, making him the highest ranked Lithuanian tennis play ...

Draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References

Main Draw

Qualifying Draw
{{DEFAULTSORT:2013 Delray Beach International Tennis Championships - Singles Delray Beach International Tennis Championships - Singles

2013 Singles Thirteen or 13 may refer to: * 13 (number) * Any of the years 13 BC, AD 13, 1913, or 2013 Music Albums * ''13'' (Black Sabbath album), 2013 * ''13'' (Blur album), 1999 * ''13'' (Borgeous album), 2016 * ''13'' (Brian Setzer album), 2006 * ...

2013 Delray Beach International Tennis Championships