H2H data updated: 2026-10-29 00:00 UTC

Karolina Muchova vs Kristie Ahn H2H: 1-0

Karolina Muchova holds a 1–0 lead over Kristie Ahn in their WTA head-to-head. Across 1 main-draw meeting, Karolina Muchova leads 1–0 on hard courts. Most recently, Karolina Muchova won the 2019 New York round of 16 6-3 6-1.

Czech Republic Age 30 Right-Handed 180 cm / 5'11"
H2H
1 – 0
1 main-draw meetings
United States Age 34 Right-Handed 165 cm / 5'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Karolina Muchova #47 6-3 6-1 Kristie Ahn #152 Match data Aug 23, 2019* R16 New York International → modern equivalent WTA 250 Hard

Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Karolina Muchova #7 #6 5,168 2,128 182 92 66.4% 0 1 0 1 1 3
Kristie Ahn — #87 745 1,707 16 29 35.6% 0 0 0 0 0 0

Career Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.

Age Karolina Muchova Kristie Ahn
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 — — — — — — — 2008 0–1 0.0% #451 1,498 0 0
20 2017 0–1 0.0% #267 1,481 0 0 — — — — — — —
21 2018 2–1 66.7% #144 1,524 0 0 — — — — — — —
22 2019 27–13 67.5% #21 1,862 0 1 2014 0–1 0.0% #637 1,492 0 0
23 2020 7–8 46.7% #27 1,811 0 1 — — — — — — —
24 2021 18–11 62.1% #32 1,876 0 1 — — — — — — —
25 2022 8–9 47.1% #151 1,797 0 1 2017 4–5 44.4% #112 1,533 0 0
26 2023 36–14 72.0% #8 2,010 0 1 2018 1–6 14.3% #200 1,585 0 0
27 2024 21–8 72.4% #22 2,040 0 1 2019 9–7 56.2% #94 1,659 0 0
28 2025 23–15 60.5% #19 1,955 0 1 2020 0–5 0.0% #108 1,630 0 0
29 2026 40–12 76.9% #7 2,074 0 3 2021 2–4 33.3% #259 1,540 0 0

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Karolina Muchova Kristie Ahn
Yr HardClayGrass Yr HardClayGrass
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
16 — — — — — — — — — — — — — 2008 0 1 1 0.0% — — — — — — — —
20 2017 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
21 2018 2 1 3 66.7% — — — — — — — — — — — — — — — — — — — — —
22 2019 18 9 27 66.7% 5 2 7 71.4% 4 2 6 66.7% 2014 0 1 1 0.0% — — — — — — — —
23 2020 7 7 14 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
24 2021 9 6 15 60.0% 5 3 8 62.5% 4 2 6 66.7% — — — — — — — — — — — — —
25 2022 5 4 9 55.6% 3 3 6 50.0% 0 2 2 0.0% 2017 2 4 6 33.3% — — — — 2 1 3 66.7%
26 2023 26 10 36 72.2% 10 3 13 76.9% 0 1 1 0.0% 2018 0 4 4 0.0% 1 1 2 50.0% 0 1 1 0.0%
27 2024 15 4 19 78.9% 4 2 6 66.7% 2 2 4 50.0% 2019 8 5 13 61.5% 1 1 2 50.0% 0 1 1 0.0%
28 2025 20 11 31 64.5% 2 2 4 50.0% 1 2 3 33.3% 2020 0 4 4 0.0% 0 1 1 0.0% — — — —
29 2026 23 7 30 76.7% 6 3 9 66.7% 11 2 13 84.6% 2021 — — — — 0 2 2 0.0% 2 2 4 50.0%
Career — 125 60 185 67.6% 35 19 54 64.8% 22 13 35 62.9% — 10 19 29 34.5% 2 5 7 28.6% 4 5 9 44.4%

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 256/277 of Karolina Muchova's and 44/45 of Kristie Ahn's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.

Age Karolina Muchova Kristie Ahn
Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts% Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts%
16 — —/— — — — — — — — — — 2008 1/1 1.0 1.0 70.6% 66.7% 33.3% 40.0% 11.1% 56.9% 34.2%
20 2017 1/1 3.0 5.0 62.1% 59.3% 39.4% 36.4% 36.4% 51.7% 42.7% — —/— — — — — — — — — —
21 2018 3/3 4.7 1.3 63.0% 64.8% 55.1% 67.9% 50.5% 61.3% 43.1% — —/— — — — — — — — — —
22 2019 39/40 4.3 1.9 64.5% 68.2% 49.6% 57.3% 43.4% 61.6% 43.6% 2014 1/1 1.0 2.0 67.7% 66.7% 30.0% 33.3% 33.3% 54.8% 32.2%
23 2020 15/15 3.7 2.7 64.7% 68.4% 49.8% 49.5% 43.0% 61.9% 39.5% — —/— — — — — — — — — —
24 2021 27/30 3.9 2.3 63.6% 66.2% 48.6% 54.0% 49.0% 59.8% 43.1% — —/— — — — — — — — — —
25 2022 16/17 2.5 2.9 63.2% 64.9% 46.2% 52.5% 43.4% 58.2% 40.8% 2017 9/9 1.3 2.3 64.6% 64.9% 53.3% 55.4% 45.8% 61.2% 45.4%
26 2023 49/50 3.4 2.4 63.5% 68.1% 52.0% 57.8% 50.2% 61.9% 46.4% 2018 6/7 1.2 2.7 66.1% 57.2% 42.7% 55.1% 50.9% 52.1% 37.9%
27 2024 26/29 3.5 2.1 61.0% 71.9% 49.6% 63.4% 48.6% 63.3% 45.7% 2019 16/16 1.1 2.6 60.0% 59.4% 48.8% 51.6% 46.9% 55.8% 42.4%
28 2025 28/39 4.0 2.0 61.4% 66.7% 49.4% 51.6% 43.0% 60.4% 42.5% 2020 5/5 1.2 3.6 58.0% 56.7% 42.8% 52.9% 55.6% 50.7% 35.1%
29 2026 52/53 3.6 1.7 63.7% 71.4% 50.2% 58.7% 49.2% 63.7% 43.8% 2021 6/6 1.0 1.8 62.3% 59.0% 38.9% 44.2% 32.0% 50.4% 39.1%
Career — 256/277 3.7 2.1 63.3% 68.6% 49.9% 56.6% 47.0% 61.7% 43.8% — 44/45 1.2 2.5 62.3% 60.2% 46.1% 51.2% 44.9% 55.1% 40.7%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age Karolina Muchova Kristie Ahn
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
16 — — — — — — — — — — — — — — — — 2008 1499 109.4 +3.29 +3.17 0.794 43.5% — — — 0.0% -2.50 — — — -0.27
20 2017 1482 98.4 -0.48 +0.41 0.885 47.0% — — — 33.3% -1.67 0–1 — — +0.19 — — — — — — — — — — — — — — — —
21 2018 1525 117.0 +2.68 +3.73 1.111 52.1% +20 — — 57.1% +0.28 1–0 — — -0.03 — — — — — — — — — — — — — — — —
22 2019 1863 149.7 +4.39 +1.62 1.137 52.3% -18 -252 -154 63.2% +0.85 9–6 (60%) 7–4 (64%) 107.0 -1.26 2014 1492 101.3 -2.84 +4.06 0.713 43.8% — — — 0.0% -3.00 — — — -0.03
23 2020 1812 136.7 +2.75 -2.06 1.036 50.3% +11 — — 48.6% -0.37 2–3 (40%) 4–0 (100%) — 0.00 — — — — — — — — — — — — — — — —
24 2021 1877 142.7 +2.64 +0.85 1.073 51.2% +17 -213 -63 63.5% +0.84 7–4 (64%) 3–5 (38%) 102.3 -0.48 — — — — — — — — — — — — — — — —
25 2022 1797 133.2 +0.85 +0.23 0.974 49.7% +44 -108 — 55.6% 0.00 2–4 (33%) 5–2 (71%) 100.5 -1.46 2017 1534 111.8 +1.76 +0.63 1.170 52.8% -45 — +140 50.0% +0.30 0–2 0–1 — -0.16
26 2023 2010 161.2 +5.02 +3.97 1.220 54.0% +17 -101 — 66.7% +1.08 12–8 (60%) 11–8 (58%) 106.5 -1.64 2018 1586 117.3 -2.65 -0.75 0.791 45.2% -17 — — 20.0% -2.00 0–1 0–1 — -0.25
27 2024 2041 157.3 +5.42 +3.17 1.246 53.9% +53 -137 -256 73.7% +1.47 3–4 (43%) 5–1 (83%) 101.0 -0.52 2019 1660 125.1 +0.04 -0.01 0.959 49.4% +2 — — 54.1% -0.08 3–2 (60%) 4–1 (80%) 103.9 +0.11
28 2025 1955 158.0 +3.13 +0.38 1.072 51.2% +81 -96 -221 58.1% +0.46 9–9 (50%) 8–6 (57%) 96.3 +0.77 2020 1631 120.0 -0.89 -0.51 0.713 43.5% +10 — — 0.0% -3.38 — 0–1 — -0.86
29 2026 2074 162.3 +5.85 +1.71 1.206 53.4% +19 -159 -38 68.3% +1.00 14–2 (88%) 10–0 (100%) 116.0 -1.11 2021 1541 97.2 -2.88 -3.00 0.788 44.6% — — +113 33.3% -1.50 2–0 1–1 — +0.39
Career — 2129 160.9 +4.23 +1.75 1.144 52.5% +28 -152 -109 63.6% +0.78 59–41 (59%) 53–26 (67%) 113.5 -2.06 — 1708 120.6 -0.47 -0.28 0.906 48.0% -10 — +125 38.5% -0.86 5–5 (50%) 5–5 (50%) 101.2 -2.38

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.