2019 Knoxville Challenger

The 2019 Knoxville Challenger was a professional tennis tournament played on indoor hard courts. It was the sixteenth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Knoxville, United States between 4 and 10 November 2019.

Seeds

 * 1 Rankings are as of October 28, 2019.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇦🇺 Scott Jones
 * 🇺🇸 Aleksandar Kovacevic
 * 🇺🇸 Brandon Nakashima
 * 🇺🇸 Nathan Ponwith
 * 🇺🇸 Zachary Svajda

The following players received entry from the qualifying draw:
 * 🇺🇸 Strong Kirchheimer
 * 🇮🇹 Andrea Vavassori

The following player received entry as a lucky loser:
 * 🇬🇧 Lloyd Glasspool

Singles

 * 🇺🇸 Michael Mmoh def. 🇦🇺 Christopher O'Connell 6–4, 6–4.

Doubles

 * 🇲🇽 Hans Hach Verdugo / 🇪🇸 Adrián Menéndez Maceiras def. 🇺🇸 Bradley Klahn / Sem Verbeek 7–6(8–6), 4–6, [10–5].