2013 Comerica Bank Challenger

The 2013 Comerica Bank Challenger was a professional tennis tournament played on hard courts. It was the 26th edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Aptos, California, United States between 5 and 11 August July 2013.

Seeds

 * 1 Rankings are as of July 29, 2013.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇺🇸 Andre Dome
 * 🇺🇸 Mitchell Krueger
 * 🇺🇸 Dennis Novikov
 * 🇺🇸 Tennys Sandgren

The following players got into the singles main draw via Special Exempt:
 * 🇬🇧 Daniel Evans
 * 🇦🇺 Greg Jones

The following players received entry from the qualifying draw:
 * 🇺🇿 Farrukh Dustov
 * 🇮🇪 James McGee
 * 🇺🇦 Denys Molchanov
 * 🇦🇺 John-Patrick Smith

The following players got into the singles main draw via Lucky Loser:
 * 🇬🇧 James Ward

Singles

 * 🇺🇸 Bradley Klahn def. 🇬🇧 Dan Evans 3–6, 7–6(7–5), 6–4

Doubles

 * 🇮🇱 Jonathan Erlich / 🇮🇱 Andy Ram def. 🇦🇺 Chris Guccione / 🇦🇺 Matt Reid 6–3, 6–7(6–8), [10–2]