2015 Knoxville Challenger

The 2015 Knoxville Challenger was a professional tennis tournament played on indoor hard courts. It was the twelfth edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Knoxville, United States between 8 and 15 November 2015.

Seeds

 * 1 Rankings are as of November 2, 2015.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇺🇸 Stefan Kozlov
 * 🇺🇸 Mackenzie McDonald
 * 🇺🇸 Hunter Reese
 * 🇨🇴 Luis Valero

The following players received entry into the singles main draw as special exempts:
 * 🇺🇸 Tommy Paul
 * 🇺🇸 Noah Rubin

The following players received entry from the qualifying draw:
 * 🇺🇸 Sekou Bangoura
 * Adrien Bossel
 * 🇺🇸 Eric Quigley
 * 🇬🇧 Daniel Smethurst

Singles

 * 🇬🇧 Daniel Evans def. 🇺🇸 Frances Tiafoe 5–7, 6–1, 6–3

Doubles

 * 🇸🇪 Johan Brunström / Frederik Nielsen def. 🇺🇸 Sekou Bangoura / 🇺🇸 Matt Seeberger 6–1, 6–2