Prediction of Stefan Kozlov vs Frederik Nielsen Head-to-Head, At
Wojtek Kolan
HEAD TO HEAD
S. Kozlov vs F. Nielsen
Stefan Kozlov
USA
w
l
w
w
w
w
w
w
w
l
0
Win
2
Played
2
Win
27
Age
42
6'0" (183 cm)
Height
6'2" (188 cm)
304
C. Rank
Ret.
103
Best Rank
190
0
Total Titles
0
0
YTD Titles
0
$372.0K
Career Money
$69.0K
Right-Handed
Plays
Right-Handed
Frederik Nielsen
DEN
l
w
w
l
l
w
l
l
w
l
0
Win
2
Played
2
Win
27
Age
42
6'0" (183 cm)
Height
6'2" (188 cm)
304
C. Rank
Ret.
103
Best Rank
190
0
Total Titles
0
0
YTD Titles
0
$372.0K
Career Money
$69.0K
Right-Handed
Plays
Right-Handed
Head-to-head: Kozlov 0 - 2 Nielsen
They have played 6 sets in total, with Stefan Kozlov winning 2 and Frederik Nielsen winning 4. 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 |
|---|---|
| Kozlov | 0 |
| Nielsen | 2 |
Last 2 H2H Matches:
(Q3) Surbiton Challenger(06-07-15)
Frederik Nielsen
6
4
6
Stefan Kozlov
2
6
3
(QF) USA F4(01-12-15)
Frederik Nielsen
7
4
6
Stefan Kozlov
6
6
0
S. Kozlov vs F. Nielsen H2H Profile
| Stats | ||
|---|---|---|
| $371,951 | Career Prize Money | $69,005 |
| 57.10% (346-260) | Career Total W/L | 60.54% (560-365) |
| 0 | Grass | 1 |
| 0 | Hard | 1 |
| 11 | Titles | 13 |
| 0 | Total H2H Matches | 2 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
S. Kozlov vs F. Nielsen Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Stefan Kozlov has won 46.08% of points on their second serve, while Frederik Nielsen 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 47.36% of their opponent's second serve points, while Frederik Nielsen has won 0%. The same stats for first serve returns are 29.00% 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 53.06% of breakpoints in recent form, whereas Frederik Nielsen has saved 0% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Stefan Kozlov has won 70.00% of matches played (W/L 28/12), with Frederik Nielsen 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 64% (W/L 86/48), and worse career win % on Grass, winning 38% (W/L 15/24). Frederik Nielsen has their best career surface win % on I.hard, winning 64% (W/L 186/110), and worse career win % on Clay, winning 56% (W/L 61/47).
- Player level: In the last year, Stefan Kozlov has played most of their matches on the Challengers/ITF tournaments > $10K, winning 68.75% of matches (W/L 22/10), where as Frederik Nielsen 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 2 times before with Stefan Kozlov winning 0 times and Frederik Nielsen being victorious 2 times. They have played 6 sets in total, with Stefan Kozlov winning 2 and Frederik Nielsen winning 4.
- The last match between Stefan Kozlov and Frederik Nielsen 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, Stefan Kozlov has played against opponents with an average rank of 415.3 while Frederik Nielsen 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 65% of deciding sets over the last 12 months, while Frederik Nielsen has won 0% in all matches played on tour.
- Break point conversion: In recent form, Stefan Kozlov has converted 44.59% of breakpoint opportunities, and Frederik Nielsen 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 Frederik Nielsen Editorial Preview By TennisTipster88.
S. Kozlov vs F. Nielsen H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 0 | H2H Matches Won | 2 |
| 2 | Sets Won | 4 |
| 23 | Games Won | 33 |
| 1 | Aces (Total) | 3 |
| 4 | Total Double Faults | 2 |
| 0:52:12 | Average Match Time | 0:52:12 |
| 56% (48/85) | 1st Serve % | 65% (47/72) |
| 54% (26/48) | 1st Serve Win % | 66% (31/47) |
| 54% (20/37) | 2nd Serve Win % | 68% (17/25) |
| 33% (3/9) | Break Pts Won % | 55% (6/11) |
| 33% (24/72) | Return Points Win % | 46% (39/85) |
| 0% (0/2) | Best‑of‑3 Win % | 100% (2/2) |
| 0% (0/2) | Deciding Set Win % | 100% (2/2) |
| 0% (0/0) | 1st Set Won, Won Match | 100% (2/2) |
| 0% (0/0) | 1st Set Won, Lost Match | 0% (0/2) |
| 0% (0/2) | 1st Set Lost, Won Match | 0% (0/0) |
Recent Performance Stats
2nd Serve Win %: Kozlov 49%, Nielsen 0%.
Opp 2nd Serve Pts Won: Kozlov 54%, Nielsen 0%.
Break Points Saved %: Kozlov 58%, Nielsen 0%.
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 | ||
R2  David Jorda SanchisD. Jorda | W | 6-4 6-4 | ||
R1  Juan Bautista TorresJ. Bautista | W | 6-0 4-6 6-3 | ||
 Champaign Challenger - 10-11-2025 | ||||
F Murphy CassoneM. Cassone | W | 7-6(3) 7-5 | ||
SF  Cedrik-Marcel StebeC. Stebe | W | 6-0 4-0 ret. | ||
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 | ||
| All Lower level tournaments - 01-06-2020 | ||||
R1 Sebastian MortierS. Mortier | W | 6-4 6-3 | ||
R1 Sebastian FanselowS. Fanselow | W | 3-6 7-6(5) 6-2 | ||
| Davis Cup, World Group II, PO, DEN-PUR 5-0 - 02-03-2020 | ||||
Rubber 4  Ignacio GarciaI. Garcia | W | 7-6(5) 6-2 | ||
| New York Open - New York - 10-02-2020 | ||||
Q1  Go SoedaG. Soeda | L | 6-1 6-2 | ||
S. Kozlov vs F. Nielsen Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 57.10% (346/260) | YTD Win/Loss | 60.54% (560/365) |
| 54.30% (776/653) | Sets Win/Loss | 56.98% (1249/943) |
| 51.63% (6862/6430) | Games Win/Loss | 52.59% (10967/9885) |
| 55.33% (166/134) | Hard Win/Loss | 61.67% (222/138) |
| 59.40% (79/54) | Clay Win/Loss | 56.48% (61/47) |
| 64.18% (86/48) | Indoor Hard W/L | 61.27% (231/146) |
| 38.46% (15/24) | Grass Win/Loss | 57.50% (46/34) |
| 0.22 | Aces Per Game | 0.15 |
| 1458 | Aces Total | 1554 |
| 0.33 | Double Faults Per Game | 0.12 |
| 2125 | Total Double Faults | 1200 |
| 1:35:24 | Average Match Time | 1st Match |
| 565.15 | Average Opponent Rank | 574.37 |
| 61% (23211/37961) | 1st Serve % | 60% (17389/29128) |
| 66% (15381/23211) | 1st Serve Win % | 69% (11956/17389) |
| 48% (7129/14750) | 2nd Serve Win % | 51% (5931/11739) |
| 42% (1809/4280) | Break Points Won % (Total) | 42% (1227/2930) |
| 42% (16044/38519) | Return Points Win % | 40% (11924/29572) |
| 31.03% (9/20) | Slam W/L | 50.00% (9/9) |
| 23.53% (4/13) | Masters W/L | 0% (0/0) |
| 0% (0/0) | Cups W/L | 51.92% (27/25) |
| 38.81% (26/41) | Main Tour W/L | 48.68% (37/39) |
| 58.69% (206/145) | Challenger W/L | 57.42% (240/178) |
| 71.13% (101/41) | Futures W/L | 68.42% (247/114) |
| 57% (338/588) | Best of 3 Sets Win % | 60% (522/866) |
| 45% (5/11) | Best of 5 Sets Win % | 56% (27/48) |
| 48% (70/146) | Tiebreaks Win % (Total) | 53% (159/299) |
| 61% (130/212) | Deciding Set Win % | 62% (177/286) |
| 87% (319/278) | 1st Set Won, Won Match | 89% (506/451) |
| 12% (319/39) | 1st Set Won, Lost Match | 11% (506/54) |
| 24% (287/68) | 1st Set Lost, Won Match | 26% (419/107) |
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