2013 Knoxville Challenger

The 2013 Knoxville Challenger was a professional tennis tournament played on hard courts. It was the tenth edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Knoxville, United States between 4 and 10 November 2013.

Seeds

 * 1 Rankings are as of October 28, 2013.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇦🇺 Jarryd Chaplin
 * 🇺🇸 Jarmere Jenkins
 * 🇺🇸 Jack Sock

The following players used protected ranking into the singles main draw:
 * 🇫🇷 Laurent Rochette

The following players received entry as an alternate into the singles main draw:
 * 🇬🇧 Edward Corrie
 * 🇺🇸 Denis Kudla
 * 🇬🇧 David Rice

The following players received entry from the qualifying draw:
 * 🇺🇸 Mitchell Frank
 * Takanyi Garanganga
 * 🇺🇸 Kevin King
 * 🇮🇳 Sanam Singh

The following players received entry into the singles main draw as lucky losers:
 * Fritz Wolmarans

Singles

 * 🇺🇸 Tim Smyczek def. 🇨🇦 Peter Polansky 6–4, 6–2

Doubles

 * 🇦🇺 Samuel Groth / 🇦🇺 John-Patrick Smith def. 🇦🇺 Carsten Ball / 🇨🇦 Peter Polansky 6–7(6–8), 6–2, [10–7]