Prediction of Frederik Nielsen vs Stefan Kozlov Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
F. Nielsen vs S. Kozlov

Frederik Nielsen

DEN

2

Win

Played

0

Win

Age

6'2" (188 cm)

Height

6'0" (183 cm)

Ret.

C. Rank

304

190

Best Rank

103

Total Titles

YTD Titles

$69.0K

Career Money

$372.0K

Right-Handed

Plays

Right-Handed

Stefan Kozlov

USA

2

Win

Played

0

Win

Age

6'2" (188 cm)

Height

6'0" (183 cm)

Ret.

C. Rank

304

190

Best Rank

103

Total Titles

YTD Titles

$69.0K

Career Money

$372.0K

Right-Handed

Plays

Right-Handed

Head-to-head: Nielsen 2 - 0 Kozlov

They have played 6 sets in total, with Frederik Nielsen winning 4 and Stefan Kozlov winning 2. The last match between Frederik Nielsen and Stefan Kozlov was at the Surbiton Challenger, 07-06-2015, Round: Q3, Surface: Grass, with Frederik Nielsen getting the victory 6-2 4-6 6-3.

Players	Head To Head Match Wins
Nielsen	2
Kozlov	0

Last 2 H2H Matches:

(Q3) Surbiton Challenger(06-07-15)

Stats

Frederik Nielsen

Stefan Kozlov

(QF) USA F4(01-12-15)

Stats

Frederik Nielsen

Stefan Kozlov

F. Nielsen vs S. Kozlov H2H Profile

F. Nielsen	Stats	S. Kozlov
$69,005	Career Prize Money	$371,951
60.54% (560-365)	Career Total W/L	57.10% (346-260)
1	Grass	0
1	Hard	0
13	Titles	11
2	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

F. Nielsen vs S. Kozlov Match Preview:

Second serve performance recent form: In recent form (last 6 months), Frederik Nielsen has won 0% of points on their second serve, while Stefan Kozlov has won 46.08%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Frederik Nielsen, in recent form, has won 0% of their opponent's second serve points, while Stefan Kozlov has won 47.36%. The same stats for first serve returns are 0% and 29.00% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Frederik Nielsen has saved 0% of breakpoints in recent form, whereas Stefan Kozlov has saved 53.06% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Frederik Nielsen has won 0% of matches played (W/L 0/0), with Stefan Kozlov winning 70.00% (W/L 28/12) that gives us an overall head-to head prediction overview.
Best surface: Frederik Nielsen has their best career surface win % on I.hard, winning 63% (W/L 186/110), and worse career win % on Clay, winning 56% (W/L 61/47). Stefan Kozlov has their best career surface win % on I.hard, winning 63% (W/L 86/48), and worse career win % on Grass, winning 38% (W/L 15/24).
Player level: In the last year, Frederik Nielsen 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 68.75% of matches (W/L 22/10). 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 2 times before with Frederik Nielsen winning 2 times and Stefan Kozlov being victorious 0 times. They have played 6 sets in total, with Frederik Nielsen winning 4 and Stefan Kozlov winning 2.
The last match between Frederik Nielsen and Stefan Kozlov was at the Surbiton Challenger, 07-06-2015, Round: Q3, Surface: Grass, with Frederik Nielsen getting the victory 6-2 4-6 6-3.
Head to head match duration: In past head to head matches, the average match time between these players has been 0:52:12.
Opponent quality stats: Over the last 12 months, Frederik Nielsen has played against opponents with an average rank of 0 while Stefan Kozlov has played against players with an average rank of 415.3.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Frederik Nielsen has won 0% of deciding sets over the last 12 months, while Stefan Kozlov has won 65% in all matches played on tour.
Break point conversion: In recent form, Frederik Nielsen has converted 0% of breakpoint opportunities, and Stefan Kozlov has converted 44.59% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Frederik Nielsen vs Stefan Kozlov Editorial Preview By TennisTipster88.

F. Nielsen vs S. Kozlov H2H Stats Used In Our Predictions

F. Nielsen	Stats	S. Kozlov
2	H2H Matches Won	0
4	Sets Won	2
33	Games Won	23
3	Aces (Total)	1
2	Total Double Faults	4
0:52:12	Average Match Time	0:52:12
65% (47/72)	1st Serve %	56% (48/85)
66% (31/47)	1st Serve Win %	54% (26/48)
68% (17/25)	2nd Serve Win %	54% (20/37)
55% (6/11)	Break Pts Won %	33% (3/9)
46% (39/85)	Return Points Win %	33% (24/72)
100% (2/2)	Best‑of‑3 Win %	0% (0/2)
100% (2/2)	Deciding Set Win %	0% (0/2)
100% (2/2)	1st Set Won, Won Match	0% (0/0)
0% (0/2)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	0% (0/2)

Recent Performance Stats

F. Nielsen Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Qatar ExxonMobil Open - Doha - 08-03-2021
Q1 Ramkumar RamanathanR. Ramanathan	L	6-4 6-1	Stats
All Lower level tournaments - 01-06-2020
R1 Sebastian MortierS. Mortier	W	6-4 6-3	Stats
R1 Sebastian FanselowS. Fanselow	W	3-6 7-6(5) 6-2	Stats
Davis Cup, World Group II, PO, DEN-PUR 5-0 - 02-03-2020
Rubber 4 Ignacio GarciaI. Garcia	W	7-6(5) 6-2	Stats
New York Open - New York - 10-02-2020
Q1 Go SoedaG. Soeda	L	6-1 6-2	Stats

View All

S. Kozlov Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Bogota Challenger - 24-11-2025
QF Juan Sebastian GomezJ. Sebastian	L	4-6 6-4 7-5	Stats
R2 David Jorda SanchisD. Jorda	W	6-4 6-4	Stats
R1 Juan Bautista TorresJ. Bautista	W	6-0 4-6 6-3	Stats
Champaign Challenger - 10-11-2025
F Murphy CassoneM. Cassone	W	7-6(3) 7-5	Stats
SF Cedrik-Marcel StebeC. Stebe	W	6-0 4-0 ret.	Stats

View All

F. Nielsen vs S. Kozlov Stats Breakdown Vs All H2H Opponents

F. Nielsen	Stats	S. Kozlov
60.54% (560/365)	YTD Win/Loss	57.10% (346/260)
56.98% (1249/943)	Sets Win/Loss	54.30% (776/653)
52.59% (10967/9885)	Games Win/Loss	51.63% (6862/6430)
61.67% (222/138)	Hard Win/Loss	55.33% (166/134)
56.48% (61/47)	Clay Win/Loss	59.40% (79/54)
61.27% (231/146)	Indoor Hard W/L	64.18% (86/48)
57.50% (46/34)	Grass Win/Loss	38.46% (15/24)
0.15	Aces Per Game	0.22
1554	Aces Total	1458
0.12	Double Faults Per Game	0.33
1200	Total Double Faults	2125
1st Match	Average Match Time	1:35:24
574.37	Average Opponent Rank	565.15
60% (17389/29128)	1st Serve %	61% (23211/37961)
69% (11956/17389)	1st Serve Win %	66% (15381/23211)
51% (5931/11739)	2nd Serve Win %	48% (7129/14750)
42% (1227/2930)	Break Points Won % (Total)	42% (1809/4280)
40% (11924/29572)	Return Points Win %	42% (16044/38519)
50.00% (9/9)	Slam W/L	31.03% (9/20)
0% (0/0)	Masters W/L	23.53% (4/13)
51.92% (27/25)	Cups W/L	0% (0/0)
48.68% (37/39)	Main Tour W/L	38.81% (26/41)
57.42% (240/178)	Challenger W/L	58.69% (206/145)
68.42% (247/114)	Futures W/L	71.13% (101/41)
60% (522/866)	Best of 3 Sets Win %	57% (338/588)
56% (27/48)	Best of 5 Sets Win %	45% (5/11)
53% (159/299)	Tiebreaks Win % (Total)	48% (70/146)
62% (177/286)	Deciding Set Win %	61% (130/212)
89% (506/451)	1st Set Won, Won Match	87% (319/278)
11% (506/54)	1st Set Won, Lost Match	12% (319/39)
26% (419/107)	1st Set Lost, Won Match	24% (287/68)