Stefan Kozlov
Stefan Kozlov USA
World Ranking # 280
Handedness right
Year Turned Pro 2013
Height 183 cm
Weight 79 kg
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LATEST TOURNAMENT
Tennis_Fallback_v6_f5tjzv
11 Jan To  17 Jan

ATP Challenger Glasgow, Great Britain

ATP Challenger Glasgow, Great Britain Men Singles 2026

Eliminated in round of 32 by H. Wendelken.
MORE DETAILS
FEWER DETAILS
Round
Opponents
Status
Score
Round of 32
Harry Wendelken
Lost
6 - 1 3 - 6 6 - 4
PREVIOUS TOURNAMENTS
Tennis_Fallback_v6_f5tjzv
04 Jan To  10 Jan

ATP Challenger Nottingham, Great Britain

ATP Challenger Nottingham, Great Britain Men Singles 2026

Seeded: #7
Eliminated in quarter final by T. Samuel.
MORE DETAILS
FEWER DETAILS
Round
Opponents
Status
Score
Quarter-Final
Toby Samuel
Lost
6 - 7 4 - 6
Round of 16
Mathys Erhard
Won
6 - 2 6 - 4
Round of 32
Tyler Zink
Won
6 - 4 6 - 1
Tennis_Fallback_v6_f5tjzv
23 Nov 2025 To  30 Nov 2025

ATP Challenger Bogota (Los Lagartos), Colombia Men Singles

ATP Challenger Bogota, Colombia Men Singles 2025

Seeded: #8
Eliminated in quarter final by J. Gomez.
MORE DETAILS
FEWER DETAILS
Round
Opponents
Status
Score
Quarter-Final
Juan Sebastian Gomez
Lost
4 - 6 6 - 4 7 - 5
Round of 16
David Jorda Sanchis
Won
4 - 6 4 - 6
Round of 32
Juan Bautista Torres
Won
0 - 6 6 - 4 3 - 6
Tennis_Fallback_v6_f5tjzv
09 Nov 2025 To  16 Nov 2025

ATP Challenger Champaign, USA

ATP Challenger Champaign, USA Men Singles 2025

Won - Defeated M. Cassone in final.
MORE DETAILS
FEWER DETAILS
Round
Opponents
Status
Score
Final
Murphy Cassone
Won
7 - 6 7 - 5
Semi-Final
Cedrik-Marcel Stebe
Won
Retired
Quarter-Final
Darwin Blanch
Won
2 - 6 7 - 6 3 - 6
Round of 16
Tyler Zink
Won
6 - 3 6 - 3
Round of 32
Leo Borg
Won
6 - 1 6 - 0
Tennis_Fallback_v6_f5tjzv
02 Nov 2025 To  09 Nov 2025

ATP Challenger Knoxville, USA

ATP Challenger Knoxville, USA Men Singles 2025

Eliminated in round of 16 by J. Clarke.
MORE DETAILS
FEWER DETAILS
Round
Opponents
Status
Score
Round of 16
Jay Clarke
Lost
2 - 6 6 - 2 3 - 6
Round of 32
Dominique Rolland
Won
7 - 6 2 - 6 6 - 1
Tennis_Fallback_v6_f5tjzv
03 Aug 2025 To  10 Aug 2025

ATP Challenger Chicago, USA

ATP Challenger Chicago, USA Men Singles 2025

Seeded: #1
Eliminated in qualification by T. Huang.
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FEWER DETAILS
Round
Opponents
Status
Score
Qualification
Tsung-Hao Huang
Lost
6 - 1 5 - 7 2 - 6
Qualification
Ramkumar Ramanathan
Won
Retired
Tennis_Fallback_v6_f5tjzv
06 Jul 2025 To  13 Jul 2025

ATP Challenger Newport, USA

2025 ATP Challenger Newport, USA Men Singles

Eliminated in round of 32 by M. Krueger.
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FEWER DETAILS
Round
Opponents
Status
Score
Round of 32
Mitchell Krueger
Lost
6 - 1 3 - 6 6 - 1

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