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Stefan Kozlov Statistics (USA)

Country: United States of America, Born February 1, 1998 (26 years old), Category: ATP

2024 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 5 0 14 9 5 0.643 0 1 4 2
Challenger 75 1 0 2 1 1 0.500 0 0 1 0
Challenger 50 4 0 12 8 4 0.667 0 1 3 2

2023 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 4 0 6 2 4 0.333 0 0 1 2
Challenger 100 1 0 1 0 1 0.000 0 0 0 1
Challenger 75 3 0 5 2 3 0.400 0 0 1 1

2022 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 24 0 39 15 24 0.385 0 4 5 5
Grand Slam (Men's) 3 0 4 1 3 0.250 0 1 0 0
ATP 500 2 0 3 1 2 0.333 0 1 1 0
ATP 250 3 0 5 2 3 0.400 0 0 0 1
Challenger 125 2 0 3 1 2 0.333 0 0 1 0
Challenger 80 14 0 24 10 14 0.417 0 2 3 4

2021 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 16 3 42 30 12 0.714 2 0 5 3
ATP 500 1 0 1 0 1 0.000 0 0 0 0
Challenger 80 12 3 34 25 9 0.735 2 0 5 2
M25 2 0 3 1 2 0.333 0 0 0 1
M15 1 0 4 4 0 1.000 0 0 0 0

2020 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 11 0 21 10 11 0.476 1 0 3 1
ATP 250 1 0 1 0 1 0.000 0 0 1 0
Challenger 100 1 0 1 0 1 0.000 0 0 0 0
Challenger 80 2 0 6 4 2 0.667 0 0 2 1
M25 4 0 9 5 4 0.556 0 0 0 0
M15 3 0 4 1 3 0.250 1 0 0 0

2019 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 16 0 38 22 16 0.579 4 1 3 5
Challenger 110 1 0 1 0 1 0.000 0 0 0 0
Challenger 90 3 0 5 2 3 0.400 0 1 0 2
Challenger 80 9 0 22 13 9 0.591 1 0 2 2
M25 2 0 8 6 2 0.750 3 0 1 1
M15 1 0 2 1 1 0.500 0 0 0 0

2018 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 14 0 20 6 14 0.300 0 1 2 5
ATP 250 1 0 1 0 1 0.000 0 0 0 0
Challenger 125 6 0 8 2 6 0.250 0 0 0 1
Challenger 110 2 0 4 2 2 0.500 0 0 2 2
Challenger 100 2 0 4 2 2 0.500 0 0 0 1
Challenger 90 2 0 2 0 2 0.000 0 0 0 1
Challenger 80 1 0 1 0 1 0.000 0 1 0 0

2017 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 23 1 42 20 22 0.476 0 3 2 8
ATP 1000 2 0 2 0 2 0.000 0 1 0 1
ATP 500 3 0 4 1 3 0.250 0 2 0 0
ATP 250 4 0 5 1 4 0.200 0 0 0 2
Challenger 125 1 0 1 0 1 0.000 0 0 0 0
Challenger 100 3 0 6 3 3 0.500 0 0 0 1
Challenger 90 7 0 17 10 7 0.588 0 0 1 3
Challenger 80 3 1 7 5 2 0.714 0 0 1 1

2016 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 27 4 76 53 23 0.697 3 4 12 5
ATP 250 2 0 5 3 2 0.600 0 2 0 0
Challenger 110 1 0 3 2 1 0.667 0 0 1 0
Challenger 100 3 0 8 5 3 0.625 0 0 0 0
Challenger 90 2 1 10 9 1 0.900 1 1 2 0
Challenger 80 12 0 27 15 12 0.556 1 1 3 2
M25 7 3 23 19 4 0.826 1 0 6 3

2015 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 23 1 63 41 22 0.651 8 4 5 9
ATP 250 2 0 2 0 2 0.000 0 1 0 0
Challenger 80 8 0 13 5 8 0.385 1 0 1 4
M25 2 0 9 7 2 0.778 0 2 1 3
M15 10 1 32 23 9 0.719 7 1 2 2
Boys 18 1 0 7 6 1 0.857 0 0 1 0

2014 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 17 1 55 39 16 0.709 5 1 13 4
ATP 500 1 0 1 0 1 0.000 0 0 0 0
Challenger 100 1 0 5 4 1 0.800 0 0 2 0
Challenger 80 1 0 1 0 1 0.000 0 0 0 1
M25 3 0 6 3 3 0.500 0 0 0 0
M15 3 0 7 4 3 0.571 0 0 1 2
Boys 18 1 0 6 5 1 0.833 2 0 2 0
JR Grand Slam Boys 4 0 20 16 4 0.800 2 1 7 1
J500 Boys 1 1 6 6 0 1.000 1 0 1 0
J300 Boys 2 0 3 1 2 0.333 0 0 0 0

2013 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 22 1 63 42 21 0.667 8 1 3 4
ATP 250 1 0 1 0 1 0.000 0 0 1 0
M25 5 0 9 4 5 0.444 0 1 0 2
M15 2 0 5 3 2 0.600 1 0 0 0
Boys 18 1 0 2 1 1 0.500 2 0 0 1
JR Grand Slam Boys 3 0 7 4 3 0.571 0 0 0 0
J500 Boys 3 0 13 10 3 0.769 3 0 1 1
J300 Boys 6 1 23 18 5 0.783 2 0 1 0
J200 Boys 1 0 3 2 1 0.667 0 0 0 0

2012 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 14 0 38 24 14 0.632 3 3 6 4
M25 1 0 3 2 1 0.667 0 1 2 1
Boys 18 1 0 4 3 1 0.750 0 0 0 0
JR Grand Slam Boys 2 0 5 3 2 0.600 0 1 1 1
J500 Boys 2 0 4 2 2 0.500 1 1 1 0
JB1 Boys 1 0 4 3 1 0.750 0 0 1 1
J300 Boys 6 0 17 11 6 0.647 2 0 1 1
J200 Boys 1 0 1 0 1 0.000 0 0 0 0

2011 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 17 3 65 51 14 0.785 8 0 13 7
JB1 Boys 1 0 3 2 1 0.667 1 0 0 1
J300 Boys 1 0 2 1 1 0.500 0 0 1 0
J60 Boys 4 0 16 12 4 0.750 1 0 6 2
J30 Boys 1 1 6 6 0 1.000 1 0 1 0
Boys 16 6 0 18 12 6 0.667 2 0 2 2
Boys 14 4 2 20 18 2 0.900 3 0 3 2

2010 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 13 2 58 47 11 0.810 7 1 6 4
Boys 16 5 0 22 17 5 0.773 1 0 3 4
Boys 14 8 2 36 30 6 0.833 6 1 3 0

2009 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 13 3 57 47 10 0.825 18 2 4 4
Boys 16 1 0 3 2 1 0.667 0 0 0 0
Boys 14 9 1 36 28 8 0.778 11 2 2 4
Boys 12 3 2 18 17 1 0.944 7 0 2 0

2008 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 6 2 23 19 4 0.826 7 1 1 1
Boys 14 2 0 3 1 2 0.333 0 1 0 0
Boys 12 4 2 20 18 2 0.900 7 0 1 1

2007 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Boys 12 9 1 27 19 8 0.704 6 4 4 2

2006 Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Boys 12 1 0 2 1 1 0.500 1 0 0 0

USTA Statistics

2015 USTA Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Boys 18 - Level 1 1 0 7 6 1 0.857 0 0 1 0

2014 USTA Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 2 1 12 11 1 0.917 3 0 3 0
Boys 18 - Level 1 1 0 6 5 1 0.833 2 0 2 0
Boys 18 - Level 1A 1 1 6 6 0 1.000 1 0 1 0

2013 USTA Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 4 1 18 15 3 0.833 5 0 1 2
Boys 18 - Level 1 3 1 12 10 2 0.833 3 0 0 1
Boys 18 - Level 1A 1 0 6 5 1 0.833 2 0 1 1

2012 USTA Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Boys 18 - Level 1 3 0 14 11 3 0.786 2 0 1 1

2011 USTA Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 11 1 43 33 10 0.767 3 0 9 5
Boys 18 - Level 3 3 0 14 11 3 0.786 1 0 5 2
Boys 16 - Level 1 4 0 11 7 4 0.636 1 0 0 0
Boys 16 - Level 1A 1 0 2 1 1 0.500 0 0 1 1
Boys 16 - Level 2 1 0 5 4 1 0.800 1 0 1 1
Boys 14 - Level 1A 1 0 7 6 1 0.857 0 0 2 1
Boys 14 - Level 2 1 1 4 4 0 1.000 0 0 0 0

2010 USTA Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 9 1 42 34 8 0.810 7 1 5 4
Boys 16 - Level 1 1 0 2 1 1 0.500 0 0 1 0
Boys 16 - Level 2 1 0 3 2 1 0.667 0 0 0 1
Boys 16 - Level 3 3 0 17 14 3 0.824 1 0 2 3
Boys 14 - Level 1 2 1 14 13 1 0.929 5 0 1 0
Boys 14 - Level 1A 1 0 2 1 1 0.500 0 0 1 0
Boys 14 - Level 4 1 0 4 3 1 0.750 1 1 0 0

2009 USTA Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Boys 14 - Level 1 1 0 3 2 1 0.667 0 0 0 0

2007 USTA Stats

Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Boys 12 - Level 1 1 0 4 3 1 0.750 1 0 0 0
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