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

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
S. Kozlov vs D. Young

Stefan Kozlov

USA

2

Win

Played

4

Win

Age

6'0" (183 cm)

Height

6'0" (183 cm)

449

C. Rank

727

103

Best Rank

Total Titles

YTD Titles

$372.0K

Career Money

$2.4M

Right-Handed

Plays

Left-Handed

Donald Young

USA

2

Win

Played

4

Win

Age

6'0" (183 cm)

Height

6'0" (183 cm)

449

C. Rank

727

103

Best Rank

Total Titles

YTD Titles

$372.0K

Career Money

$2.4M

Right-Handed

Plays

Left-Handed

Head-to-head: Kozlov 2 - 4 Young

They have played 14 sets in total, with Stefan Kozlov winning 5 and Donald Young winning 9. 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
Kozlov	2
Young	4

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

S. Kozlov vs D. Young H2H Profile

S. Kozlov	Stats	D. Young
$371,951	Career Prize Money	$2,385,383
56.71% (338-258)	Career Total W/L	52.48% (466-422)
1	Clay	0
0	Grass	1
1	Hard	2
0	Indoor	1
10	Titles	9
2	Total H2H Matches	4
0% (0-0)	YTD Win/Loss	0% (0-0)

S. Kozlov vs D. Young Match Preview:

Second serve performance recent form: In recent form (last 6 months), Stefan Kozlov has won 44.58% of points on their second serve, while Donald Young has won 0%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Stefan Kozlov, in recent form, has won 49.45% of their opponent's second serve points, while Donald Young has won 0%. The same stats for first serve returns are 30.94% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Stefan Kozlov has saved 49.06% of breakpoints in recent form, whereas Donald Young has saved 0% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Stefan Kozlov has won 65.63% of matches played (W/L 21/11), with Donald Young winning 0% (W/L 0/0) that gives us an overall head-to head prediction overview.
Best surface: Stefan Kozlov has their best career surface win % on I.hard, winning 63% (W/L 80/47), and worse career win % on Grass, winning 38% (W/L 15/24). Donald Young has their best career surface win % on Hard, winning 63% (W/L 305/253), and worse career win % on Grass, winning 43% (W/L 26/35).
Player level: In the last year, Stefan Kozlov has played most of their matches on the Challengers/ITF tournaments > $10K, winning 62.50% of matches (W/L 15/9), where as Donald Young has played most of their matches on the N/A, winning 0% of matches (W/L 0/0). 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 Stefan Kozlov winning 2 times and Donald Young being victorious 4 times. They have played 14 sets in total, with Stefan Kozlov winning 5 and Donald Young winning 9.
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.
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: Stefan Kozlov and Donald Young have played a deciding set 2 times, with Stefan Kozlov winning 1 times and Donald Young 1 times. Very useful for predicting the outcome if this match goes the distance.
Opponent quality stats: Over the last 12 months, Stefan Kozlov has played against opponents with an average rank of 408.75 while Donald Young has played against players with an average rank of 0.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Stefan Kozlov has won 64% of deciding sets over the last 12 months, while Donald Young has won 0% in all matches played on tour.
Break point conversion: In recent form, Stefan Kozlov has converted 37.29% of breakpoint opportunities, and Donald Young has converted 0% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Stefan Kozlov vs Donald Young Editorial Preview By TennisTipster88.

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

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

Recent Performance Stats

S. Kozlov Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Chicago Challenger - 04-08-2025
Q3 Tsung-Hao HuangT. Huang	L	1-6 7-5 6-2	Stats
Q1 Ramkumar RamanathanR. Ramanathan	W	6-1 6-7(4) 5-3 ret.	Stats
Newport Challenger - 07-07-2025
R1 Mitchell KruegerM. Krueger	L	6-1 3-6 6-1	Stats
Tyler Challenger - 02-06-2025
Q3 Alvin Nicholas TudoricaA. Nicholas	L	7-5 6-3	Stats
Q1 Daniel MilavskyD. Milavsky	W	6-3 6-7(7) 6-3	Stats

View All

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 vs D. Young Stats Breakdown Vs All H2H Opponents

S. Kozlov	Stats	D. Young
56.71% (338/258)	YTD Win/Loss	52.48% (466/422)
53.99% (758/646)	Sets Win/Loss	50.88% (1073/1036)
51.48% (6727/6339)	Games Win/Loss	50.14% (9991/9936)
55.33% (166/134)	Hard Win/Loss	54.66% (305/253)
59.23% (77/53)	Clay Win/Loss	46.22% (55/64)
62.99% (80/47)	Indoor Hard W/L	53.33% (80/70)
38.46% (15/24)	Grass Win/Loss	42.62% (26/35)
0.22	Aces Per Game	0.19
1430	Aces Total	1894
0.33	Double Faults Per Game	0.28
2102	Total Double Faults	2725
1:35:5	Average Match Time	1st Match
565.54	Average Opponent Rank	597.78
61% (22789/37267)	1st Serve %	61% (29071/48011)
66% (15079/22789)	1st Serve Win %	68% (19776/29051)
48% (6985/14478)	2nd Serve Win %	49% (9265/18927)
42% (1766/4187)	Break Points Won % (Total)	41% (1812/4419)
42% (15694/37759)	Return Points Win %	38% (18097/47029)
31.03% (9/20)	Slam W/L	45.45% (40/48)
23.53% (4/13)	Masters W/L	41.30% (38/54)
0% (0/0)	Cups W/L	33.33% (1/2)
38.81% (26/41)	Main Tour W/L	48.95% (140/146)
58.06% (198/143)	Challenger W/L	58.86% (216/151)
71.13% (101/41)	Futures W/L	60.78% (31/20)
57% (330/578)	Best of 3 Sets Win %	53% (429/810)
45% (5/11)	Best of 5 Sets Win %	39% (26/66)
48% (68/143)	Tiebreaks Win % (Total)	53% (141/264)
61% (127/207)	Deciding Set Win %	54% (133/247)
87% (310/270)	1st Set Won, Won Match	84% (457/386)
12% (310/38)	1st Set Won, Lost Match	16% (457/71)
24% (286/68)	1st Set Lost, Won Match	18% (431/78)