Donald Young vs Stefan Kozlov Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
D. Young vs S. Kozlov

Donald Young

USA

4

Win

Played

2

Win

Age

6'0" (183 cm)

Height

6'0" (183 cm)

727

C. Rank

458

Best Rank

103

Total Titles

YTD Titles

$2.4M

Career Money

$372.0K

Left-Handed

Plays

Right-Handed

Stefan Kozlov

USA

4

Win

Played

2

Win

Age

6'0" (183 cm)

Height

6'0" (183 cm)

727

C. Rank

458

Best Rank

103

Total Titles

YTD Titles

$2.4M

Career Money

$372.0K

Left-Handed

Plays

Right-Handed

Head-to-head: Young 4 - 2 Kozlov

They have played 14 sets in total, with Donald Young winning 9 and Stefan Kozlov winning 5. The last match between Stefan Kozlov and Donald Young was at the Cary Challenger, 19-07-2021, Round: R1, Surface: Hard, with Stefan Kozlov getting the victory 4-6 6-4 6-4.

Players	Head To Head Match Wins
Young	4
Kozlov	2

Last 6 H2H Matches:

(R1) Cary Challenger(07-19-21)

Stats

Stefan Kozlov

Donald Young

(Q3) Delray Beach Open - Delray Beach(01-06-21)

Stats

Donald Young

Stefan Kozlov

(R1) Dallas Challenger(02-04-20)

Stats

Donald Young

Stefan Kozlov

D. Young vs S. Kozlov H2H Profile

D. Young	Stats	S. Kozlov
$2,385,383	Career Prize Money	$371,951
52.48% (466-422)	Career Total W/L	56.98% (343-259)
0	Clay	1
1	Grass	0
2	Hard	1
1	Indoor	0
9	Titles	10
4	Total H2H Matches	2
0% (0-0)	YTD Win/Loss	0% (0-0)

D. Young vs S. Kozlov Match Preview:

Second serve performance recent form: In recent form (last 6 months), Donald Young has won 0% of points on their second serve, while Stefan Kozlov has won 46.37%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Donald Young, in recent form, has won 0% of their opponent's second serve points, while Stefan Kozlov has won 47.94%. The same stats for first serve returns are 0% and 29.27% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Donald Young has saved 0% of breakpoints in recent form, whereas Stefan Kozlov has saved 50.00% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Donald Young has won 0% of matches played (W/L 0/0), with Stefan Kozlov winning 69.44% (W/L 25/11) that gives us an overall head-to head prediction overview.
Best surface: Donald Young has their best career surface win % on Hard, winning 55% (W/L 305/253), and worse career win % on Grass, winning 43% (W/L 26/35). Stefan Kozlov has their best career surface win % on I.hard, winning 55% (W/L 85/48), and worse career win % on Grass, winning 38% (W/L 15/24).
Player level: In the last year, Donald Young has played most of their matches on the N/A, winning 0% of matches (W/L 0/0), where as Stefan Kozlov has played most of their matches on the Challengers/ITF tournaments > $10K, winning 67.86% of matches (W/L 19/9). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
Direct H2H matches: They have played 6 times before with Donald Young winning 4 times and Stefan Kozlov being victorious 2 times. They have played 14 sets in total, with Donald Young winning 9 and Stefan Kozlov winning 5.
The last match between Donald Young and Stefan Kozlov was at the Cary Challenger, 19-07-2021, Round: R1, Surface: Hard, with Stefan Kozlov getting the victory 4-6 6-4 6-4.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:47:47.
Deciding set H2H prediction: Donald Young and Stefan Kozlov have played a deciding set 2 times, with Donald Young winning 1 times and Stefan Kozlov 1 times. Very useful for predicting the outcome if this match goes the distance.
Opponent quality stats: Over the last 12 months, Donald Young has played against opponents with an average rank of 0 while Stefan Kozlov has played against players with an average rank of 402.42.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Donald Young has won 0% of deciding sets over the last 12 months, while Stefan Kozlov has won 67% in all matches played on tour.
Break point conversion: In recent form, Donald Young has converted 0% of breakpoint opportunities, and Stefan Kozlov has converted 38.68% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Donald Young vs Stefan Kozlov Editorial Preview By TennisTipster88.

D. Young vs S. Kozlov H2H Stats Used In Our Predictions

D. Young	Stats	S. Kozlov
4	H2H Matches Won	2
9	Sets Won	5
76	Games Won	61
10	Aces (Total)	13
39	Total Double Faults	30
1:47:47	Average Match Time	1:47:47
57% (256/448)	1st Serve %	62% (265/427)
68% (174/256)	1st Serve Win %	65% (172/265)
53% (101/192)	2nd Serve Win %	44% (72/162)
49% (24/49)	Break Pts Won %	35% (17/49)
43% (183/427)	Return Points Win %	39% (173/448)
67% (4/6)	Best‑of‑3 Win %	33% (2/6)
50% (1/2)	Deciding Set Win %	50% (1/2)
75% (3/4)	1st Set Won, Won Match	50% (1/2)
25% (1/4)	1st Set Won, Lost Match	50% (1/2)
50% (1/2)	1st Set Lost, Won Match	25% (1/4)

Recent Performance Stats

D. Young Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Charleston Challenger - 25-09-2023
Q1 Thai KwiatkowskiT. Kwiatkowski	L	6-4 6-4	Stats
Cary 2 Challenger - 11-09-2023
R1 Christian LangmoC. Langmo	L	7-5 6-4	Stats
Q3 Kiranpal PannuK. Pannu	W	6-4 6-1	Stats
Q1 Federico Agustin GomezF. Agustin	W	6-3 3-6 6-2	Stats
Cary 1 Challenger - 07-08-2023
Q1 Billy HarrisB. Harris	L	6-4 6-4	Stats

View All

S. Kozlov Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Champaign Challenger - 10-11-2025
SF Cedrik-Marcel StebeC. Stebe	W	6-0 4-0 ret.	Stats
QF Darwin BlanchD. Blanch	W	6-2 6-7(7) 6-3	Stats
R2 Tyler ZinkT. Zink	W	6-3 6-3	Stats
R1 Leo BorgL. Borg	W	6-1 6-0	Stats
Knoxville Challenger - 03-11-2025
R2 Jay ClarkeJ. Clarke	L	6-2 2-6 6-3	Stats

View All

D. Young vs S. Kozlov Stats Breakdown Vs All H2H Opponents

D. Young	Stats	S. Kozlov
52.48% (466/422)	YTD Win/Loss	56.98% (343/259)
50.88% (1073/1036)	Sets Win/Loss	54.19% (769/650)
50.14% (9991/9936)	Games Win/Loss	51.59% (6805/6385)
54.66% (305/253)	Hard Win/Loss	55.33% (166/134)
46.22% (55/64)	Clay Win/Loss	59.23% (77/53)
53.33% (80/70)	Indoor Hard W/L	63.91% (85/48)
42.62% (26/35)	Grass Win/Loss	38.46% (15/24)
0.19	Aces Per Game	0.23
1894	Aces Total	1451
0.28	Double Faults Per Game	0.33
2725	Total Double Faults	2114
1st Match	Average Match Time	1:35:8
599	Average Opponent Rank	564.05
61% (29071/48011)	1st Serve %	61% (23022/37635)
68% (19776/29051)	1st Serve Win %	66% (15251/23022)
49% (9265/18927)	2nd Serve Win %	48% (7063/14613)
41% (1812/4419)	Break Points Won % (Total)	42% (1791/4238)
38% (18097/47029)	Return Points Win %	42% (15887/38168)
45.45% (40/48)	Slam W/L	31.03% (9/20)
41.30% (38/54)	Masters W/L	23.53% (4/13)
33.33% (1/2)	Cups W/L	0% (0/0)
48.95% (140/146)	Main Tour W/L	38.81% (26/41)
58.86% (216/151)	Challenger W/L	58.50% (203/144)
60.78% (31/20)	Futures W/L	71.13% (101/41)
53% (429/810)	Best of 3 Sets Win %	57% (335/584)
39% (26/66)	Best of 5 Sets Win %	45% (5/11)
53% (141/264)	Tiebreaks Win % (Total)	48% (69/145)
54% (133/247)	Deciding Set Win %	61% (129/210)
84% (457/386)	1st Set Won, Won Match	87% (315/275)
16% (457/71)	1st Set Won, Lost Match	12% (315/38)
18% (431/78)	1st Set Lost, Won Match	24% (287/68)