Alyssa Ahn vs Klara Kosan Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Wojtek Kolan

Published on 20 Jun at 09:46 PM UTC

HEAD TO HEAD

A. Ahn vs K. Kosan

Alyssa Ahn
Alyssa Ahn

Flag USA USA

w
w
w
l
w
w
w
l
l
l
Klara Kosan
Klara Kosan

Flag USA USA

l
w
l
l
l
l
w
w
l
l

3

Win

3

Played

0

Win

18
Age
24
-
Height
-
729
C. Rank
0
652
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
-
Plays
-

Head-to-head: Ahn 3 - 0 Kosan

They have played 8 sets in total, with Alyssa Ahn winning 6 and Klara Kosan winning 2. The last match between Alyssa Ahn and Klara Kosan was at the W15 Rancho Santa Fe, 20-06-2025, Round: QF, Surface: Hard, with Alyssa Ahn getting the victory 6-3 4-6 6-2.

PlayersHead To Head Match Wins
Ahn3
Kosan0
Last 3 H2H Matches:

(QFW15 Rancho Santa Fe(06-20-25)

Hard
USA Flag
Alyssa Ahn
6
4
6
USA Flag
Klara Kosan
3
6
2

(R1W15 San Diego(06-10-25)

Hard
USA Flag
Alyssa Ahn
6
7
USA Flag
Klara Kosan
1
5

(R1W15 Irvine(06-28-23)

Hard
USA Flag
Alyssa Ahn
6
6
6
USA Flag
Klara Kosan
7
2
3

A. Ahn vs K. Kosan H2H Profile

Stats
$0Career Prize Money$0
55.68% (49-39)Career Total W/L45.07% (32-39)
3Hard0
3Total H2H Matches0
0.00% (0-1)YTD Win/Loss0% (0-0)

A. Ahn vs K. Kosan Match Preview:

  • Recent performance on second serves indicates a slight edge for Kosan, winning 38.69% of these points compared to Ahn's 36.61%.
  • Ahn has an upper hand in return games, capturing 51.17% of opponents' second serve points, outperforming Kosan who has 46%.
  • Both players have similar success in first serve returns, with Ahn at 34.45% and Kosan slightly ahead at 35.74%.
  • Under pressure, Ahn excels by saving 47.86% of breakpoints, while Kosan manages 39.39%.
  • Regarding overall match performance over the past year, Ahn's win rate stands at 62.96%, significantly better than Kosan's 50%.
  • On hard courts, Ahn and Kosan have comparable success, with both achieving a win rate of about 54% on this surface.
  • Ahn shows greater success at the Futures/Satellites/ITF $10K level, boasting a 64.29% win rate compared to Kosan's 55.56%.
  • In direct head-to-head meetings, Ahn has won both encounters against Kosan, dominating with four set victories to Kosan's one.
  • Matches between Ahn and Kosan tend to last around 1:59:31 on average, indicating closely contested battles.
  • Under extreme pressure situations such as ties, Kosan has the slight edge, winning the only tiebreak they've played against Ahn.
  • When facing higher-ranked competition, Kosan has encountered tougher opponents, with an average rank of 350.32, compared to Ahn's 386.19.
  • If this match reaches a deciding set, Kosan has a better track record, winning 57% of these sets vs. Ahn's 44% over the last year.
  • Ahn is slightly more efficient in converting breakpoints, succeeding 46.48% of the time, compared to Kosan's 41.18%.

Editorial Prediction (June 20, 2025, UTC):

As we analyze the upcoming match between Ahn and Kosan, several performance statistics reveal potential advantages for both players. Kosan shows a slight edge in second serve success, an area strongly correlated with match outcomes.

However, Ahn's superior return game and breakpoint efficiency suggest a potential stronghold in controlling key moments. Additionally, Ahn's more successful track record in handling pressure and higher match win percentage over the past year builds a compelling case in their favor.

With their existing head-to-head dominance and better performance in converting key opportunities, Ahn has demonstrated superiority in crucial aspects. Therefore, Ahn is statistically the likely winner for their upcoming encounter based on current and historical data.

Alyssa Ahn vs Klara Kosan Editorial Preview By TennisTipster88.

A. Ahn vs K. Kosan H2H Stats Used In Our Predictions

Stats
3H2H Matches Won0
6Sets Won2
47Games Won29
1Aces (Total)2
5Total Double Faults17
2:1:49Average Match Time2:1:49
63% (143/228)1st Serve %66% (166/253)
60% (86/143)1st Serve Win %54% (90/166)
52% (44/85)2nd Serve Win %39% (34/87)
51% (18/35)Break Pts Won %35% (11/31)
51% (129/253)Return Points Win %43% (98/228)
100% (3/3)Best‑of‑3 Win %0% (0/3)
100% (2/2)Deciding Set Win %0% (0/2)
100% (2/2)1st Set Won, Won Match0% (0/1)
0% (0/2)1st Set Won, Lost Match100% (1/1)
100% (1/1)1st Set Lost, Won Match0% (0/2)

Recent Performance Stats

2nd Serve Win %: Ahn 48%, Kosan 44%.
Opp 2nd Serve Pts Won: Ahn 60%, Kosan 54%.
Break Points Saved %: Ahn 50%, Kosan 44%.

A. Ahn Recent Matches Played

OPPONENTRESULTSCOREH2H
HardW50 Austin - 10-11-2025

R1

USAM. Stoiana
L
6-2 6-0
HardU.S. Open - New York - 25-08-2025

R1

BELE. Mertens
L
6-1 6-0
HardW35 Florence - 21-07-2025

R2

USAH. Giavara
L
6-4 6-0

R1

AUSP. Hule
W
6-3 2-2 ret.

Q3

USAM. Brengle
W
6-3 6-1

K. Kosan Recent Matches Played

OPPONENTRESULTSCOREH2H
HardW35 Bakersfield - 13-10-2025

Q1

USAY. Chen
L
7-6(2) 6-3
HardW35 Redding - 06-10-2025

R2

USAM. Sieg
L
6-1 6-0

R1

GBRV. Allen
W
4-1 ret.

Q3

MDAE. Juravliova
W
6-0 6-2
HardW35 San Rafael - 29-09-2025

Q1

RUSE. Khayrutdinova
L
6-3 6-4
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A. Ahn vs K. Kosan Stats Breakdown Vs All H2H Opponents

Stats
55.68% (49/39)YTD Win/Loss45.07% (32/39)
53.50% (107/93)Sets Win/Loss45.86% (72/85)
52.02% (940/867)Games Win/Loss48.65% (685/723)
55.68% (49/39)Hard Win/Loss45.45% (25/30)
0% (0/0)Clay Win/Loss0.00% (0/4)
0% (0/0)Indoor Hard W/L58.33% (7/5)
0.07Aces Per Game0.03
60Aces Total21
0.12Double Faults Per Game0.2
103Total Double Faults137
1:29:21Average Match Time1st Match
344.74Average Opponent Rank349.08
58% (2789/4833)1st Serve %62% (1041/1674)
59% (1637/2789)1st Serve Win %54% (567/1041)
46% (946/2044)2nd Serve Win %40% (254/633)
50% (293/589)Break Points Won % (Total)47% (88/189)
46% (2219/4778)Return Points Win %44% (710/1607)
0.00% (0/1)Slam W/L0% (0/0)
0.00% (0/2)Main Tour W/L0% (0/0)
53.33% (16/14)Challenger W/L26.32% (5/14)
60.00% (33/22)Futures W/L51.92% (27/25)
55% (48/87)Best of 3 Sets Win %44% (31/70)
67% (10/15)Tiebreaks Win % (Total)57% (4/7)
60% (15/25)Deciding Set Win %44% (7/16)
91% (47/43)1st Set Won, Won Match87% (31/27)
9% (47/4)1st Set Won, Lost Match13% (31/4)
15% (41/6)1st Set Lost, Won Match13% (40/5)

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