Stefan Kozlov
Stefan Kozlov USA
World Ranking # 346
Handedness right
Year Turned Pro 2013
Height 183 cm
Weight 79 kg
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Latest Results

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ATP Challenger Champaign, USA

Result
R32 - Men's Singles
USA P. Kypson (6)
 
1 7 6
USA S. Kozlov
 
6 6 4

ATP Challenger Sioux Falls, USA

Result
R32 - Men's Singles
USA S. Kozlov
 
7 4 6
KAZ D. Popko (5)
 
6 6 4

ATP Challenger Lincoln (NE), USA

Result
R32 - Men's Singles
USA S. Kozlov
 
6 4 2
USA N. Basavareddy
 
2 6 6

ATP Challenger Lincoln (NE), USA

Result
Qual - Men's Singles
USA S. Kozlov (3)
 
6 6
MEX E. Escobedo (7)
 
3 1

ATP Challenger Lincoln (NE), USA

Result
Qual - Men's Singles
USA S. Kozlov (3)
 
6 7
USA C. Altamirano
 
4 6

ATP Challenger Lexington, USA

Result
R32 - Men's Singles
AUS B. Tomic (8)
 
6 3 6
USA S. Kozlov
 
4 6 3

ATP Challenger Lexington, USA

Result
Qual - Men's Singles
USA S. Kozlov (4)
 
7 0 7
USA S. Dostanic
 
6 6 5

ATP Challenger Lexington, USA

Result
Qual - Men's Singles
USA S. Kozlov (4)
 
6 6
JPN R. Matsuda
 
2 3

ATP Challenger Granby, Canada

Result
R32 - Men's Singles
USA S. Kozlov
 
1 2
COL N. Mejia
 
6 6

ATP Challenger Granby, Canada

Result
Qual - Men's Singles
USA C. Williams
 
1 6
USA S. Kozlov (10)
 
6 7

ATP Challenger Granby, Canada

Result
Qual - Men's Singles
USA V. Lilov
 
2 1
USA S. Kozlov (10)
 
6 6

ATP Challenger Bloomfield Hills, USA

Result
QF - Men's Singles
USA J. Wolf (1)
 
4 4
USA S. Kozlov
 
6 6

ATP Challenger Bloomfield Hills, USA

Result
R32 - Men's Singles
USA S. Kozlov
 
4 7 6
USA M. Zheng
 
6 5 1

ATP Challenger Bloomfield Hills, USA

Result
Qual - Men's Singles
USA S. Kozlov (4)
 
6 6
USA W. Grant (12)
 
1 4

ATP Challenger Bloomfield Hills, USA

Result
Qual - Men's Singles
USA S. Kozlov (4)
 
6 6
USA N. Herdoiza
 
3 1

ATP Challenger Tyler, USA

Result
R32 - Men's Singles
USA S. Kozlov
 
6 6
JAM B. Bicknell
 
3 3

ATP Challenger Little Rock, USA

Result
R32 - Men's Singles
USA S. Kozlov
 
1 5
USA R. Quan
 
6 7

ATP Challenger Savannah, USA

Result
R32 - Men's Singles
USA S. Kozlov
 
3 5
SUI A. Ritschard (5)
 
6 7

ATP Challenger Tallahassee, USA

Result
SF - Men's Singles
USA M. Krueger
 
6 3 6
USA S. Kozlov
 
3 6 1

ATP Challenger Tallahassee, USA

Result
QF - Men's Singles
GBR O. Crawford
 
2 2
USA S. Kozlov
 
6 6

ATP Challenger Bloomfield Hills, USA

Retired
SF - Men's Singles
USA S. Kozlov
 
2 0
USA N. Basavareddy
 
6 2

ATP Challenger Bloomfield Hills, USA

Retired
R16 - Men's Singles
USA S. Kozlov
 
5 6 4
TPE T. Wu
 
7 3 0

ATP Challenger Tyler, USA

Retired
R16 - Men's Singles
USA S. Kozlov
 
6 4 1
HKG C. Wong (2)
 
4 6 4

ATP Challenger Sioux Falls, USA

Walkover
R16 - Men's Singles
USA M. Cassone
 
USA S. Kozlov
 

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After the three longest matches ever played at the Abierto Mexicano, the No. 2 seed finally clinched match point in the latest finish in tennis history.

By Stephanie Livaudais Feb 22, 2022
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Sebastian Korda among competitors through to Delray Beach quarterfinals

Sebastian Korda is back in the quarterfinals of the Delray Beach Open, after the tournament’s No. 5 seed fought past Andreas Seppi on Wednesday night

By Associated Press Feb 17, 2022
American Roundup: Kozlov picks up Australian Open main-draw ticket 
News

American Roundup: Kozlov picks up Australian Open main-draw ticket

The 23-year-old won the Australian Open Wild Card Challenge and secured his third Challenger title of 2021 last week.

By Niko Vercelletto Nov 23, 2021