2025 Knoxville Challenger

2025 Knoxville Challenger
Date	3–9 November
Edition	21st
Surface	Hard (Indoor)
Location	Knoxville, United States
Champions
Singles
Mitchell Krueger
Doubles
Patrick Harper / Quinn Vandecasteele

The 2025 Knoxville Challenger was a professional tennis tournament played on indoor hard courts. It was the 21st edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Knoxville, United States between 3 and 9 November 2025.

Country	Player	Rank1	Seed
JPN	James Trotter	198	1
GBR	Jay Clarke	203	2
COL	Nicolás Mejía	205	3
GBR	Johannus Monday	212	4
USA	Mitchell Krueger	242	5
EST	Daniil Glinka	263	6
USA	Alex Rybakov	264	7
USA	Andres Martin	270	8

• ¹ Rankings are as of October 27, 2025.^[1]

The following players received wildcards into the singles main draw:

• Andrew Fenty
• Alexander Kotzen
• Dominique Rolland

The following player received entry into the singles main draw through the Junior Accelerator programme:

• Roh Ho-young

The following player received entry into the singles main draw as an alternate:

• Stefan Kozlov

The following players received entry from the qualifying draw:

• Murphy Cassone
• Péter Makk
• Shunsuke Mitsui
• Francisco Rocha
• Dhakshineswar Suresh
• Max Wiskandt

The following player received entry as a lucky loser:

• Leo Borg

• Mitchell Krueger def. Darwin Blanch 6–7^(2–7), 6–4, 6–1.

• Patrick Harper / Quinn Vandecasteele def. Mitchell Krueger / Jody Maginley 6–7^(6–8), 7–6^(7–4), [12–10].