2013 Knoxville Challenger – Singles

Michael Russell was the defending champion, but retired against Tennys Sandgren in the quarterfinals.Top seed Tim Smyczek won the title defeating unseeded Canadian Peter Polansky in the final.

2013 Knoxville Challenger – Singles

Michael Russell was the defending champion, but retired against Tennys Sandgren in the quarterfinals.Top seed Tim Smyczek won the title defeating unseeded Canadian Peter Polansky in the final.