2019 Knoxville Challenger – Doubles

Toshihide Matsui and Frederik Nielsen were the defending champions but chose not to defend their title.

Hans Hach Verdugo and Adrián Menéndez Maceiras won the title after defeating Bradley Klahn and Sem Verbeek 7–6(8–6), 4–6, [10–5] in the final.

Seeds
• # 🇮🇳 Sriram Balaji / 🇮🇳 Jeevan Nedunchezhiyan (first round)

• # Treat Huey / 🇺🇸 Jackson Withrow (first round)

• # 🇺🇸 Robert Galloway / 🇻🇪 Roberto Maytín (quarterfinals)

• # Luca Margaroli / 🇮🇹 Andrea Vavassori (semifinals)