H2H data updated: 2026-09-14 00:00 UTC

Marta Kostyuk vs Elise Mertens H2H: 2-1

Marta Kostyuk holds a 2–1 lead over Elise Mertens in their WTA head-to-head. Across 3 main-draw meetings, Marta Kostyuk leads 2–1 on hard courts. Most recently, Marta Kostyuk won the 2024 Cincinnati Open first round 6-4 2-6 6-4.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Marta Kostyuk
Ukraine Age 24 Right-Handed 175 cm / 5'9"
H2H
2 – 1
3 main-draw meetings
Elise Mertens
Belgium Age 30 Right-Handed 179 cm / 5'10"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Marta Kostyuk #21 6-4 2-6 6-4 Elise Mertens #32 Match data Aug 15, 2024* R64 Cincinnati Open WTA 1000 Hard
Marta Kostyuk #37 5-7 6-1 7-6(6) Elise Mertens #28 Match data Jan 18, 2024* R64 Australian Open Grand Slam Hard
Elise Mertens #23 6-2 6-1 Marta Kostyuk #54 Match data Mar 12, 2022* R64 Indian Wells Open WTA 1000 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
Marta Kostyuk #11 #11 3,980 2,109 161 117 57.9% 0 1 0 0 2 3
Elise Mertens #20 #12 3,685 2,000 320 205 61.0% 0 0 0 2 8 10

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 Marta Kostyuk Elise Mertens
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 2018 3–5 37.5% #119 1,515 0 0 — — — — — — —
17 2019 2–3 40.0% #153 1,615 0 0 — — — — — — —
18 2020 2–5 28.6% #99 1,661 0 0 — — — — — — —
19 2021 19–16 54.3% #50 1,739 0 0 — — — — — — —
20 2022 16–20 44.4% #69 1,754 0 0 2016 3–3 50.0% #125 1,545 0 0
21 2023 23–20 53.5% #39 1,810 0 1 2017 30–21 58.8% #35 1,734 0 1
22 2024 36–20 64.3% #18 1,889 0 1 2018 44–20 68.8% #12 1,820 0 4
23 2025 25–19 56.8% #26 1,890 0 1 2019 35–25 58.3% #17 1,840 0 5
24 2026 35–9 79.5% #11 2,082 0 3 2020 32–13 71.1% #20 1,934 0 5
25 — — — — — — — 2021 33–19 63.5% #21 1,845 0 6
26 — — — — — — — 2022 28–21 57.1% #29 1,789 0 7
27 — — — — — — — 2023 26–21 55.3% #29 1,818 0 8
28 — — — — — — — 2024 27–25 51.9% #34 1,788 0 8
29 — — — — — — — 2025 36–20 64.3% #20 1,866 0 10
30 — — — — — — — 2026 26–17 60.5% #20 1,898 0 10

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 Marta Kostyuk Elise Mertens
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 2018 2 2 4 50.0% 1 2 3 33.3% 0 1 1 0.0% — — — — — — — — — — — — —
17 2019 0 1 1 0.0% 2 2 4 50.0% — — — — — — — — — — — — — — — — —
18 2020 2 3 5 40.0% 0 2 2 0.0% — — — — — — — — — — — — — — — — —
19 2021 11 10 21 52.4% 6 3 9 66.7% 2 3 5 40.0% — — — — — — — — — — — — —
20 2022 12 14 26 46.2% 1 4 5 20.0% 3 2 5 60.0% 2016 0 1 1 0.0% — — — — 3 2 5 60.0%
21 2023 20 15 35 57.1% 1 3 4 25.0% 2 2 4 50.0% 2017 18 11 29 62.1% 11 6 17 64.7% 1 4 5 20.0%
22 2024 26 12 38 68.4% 8 5 13 61.5% 2 3 5 40.0% 2018 26 14 40 65.0% 14 2 16 87.5% 4 4 8 50.0%
23 2025 19 13 32 59.4% 6 3 9 66.7% 0 3 3 0.0% 2019 24 15 39 61.5% 4 6 10 40.0% 7 4 11 63.6%
24 2026 14 7 21 66.7% 16 1 17 94.1% 5 1 6 83.3% 2020 23 9 32 71.9% 9 4 13 69.2% — — — —
25 — — — — — — — — — — — — — 2021 22 11 33 66.7% 9 5 14 64.3% 2 3 5 40.0%
26 — — — — — — — — — — — — — 2022 19 14 33 57.6% 5 3 8 62.5% 4 4 8 50.0%
27 — — — — — — — — — — — — — 2023 20 15 35 57.1% 5 4 9 55.6% 1 2 3 33.3%
28 — — — — — — — — — — — — — 2024 18 16 34 52.9% 6 5 11 54.5% 3 4 7 42.9%
29 — — — — — — — — — — — — — 2025 22 13 35 62.9% 6 5 11 54.5% 8 2 10 80.0%
30 — — — — — — — — — — — — — 2026 14 9 23 60.9% 5 4 9 55.6% 7 4 11 63.6%
Career — 106 77 183 57.9% 41 25 66 62.1% 14 15 29 48.3% — 206 128 334 61.7% 74 44 118 62.7% 40 33 73 54.8%

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 261/278 of Marta Kostyuk's and 495/526 of Elise Mertens'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 Marta Kostyuk Elise Mertens
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 2018 8/8 4.8 6.9 54.1% 68.7% 45.4% 47.7% 63.8% 57.4% 40.3% — —/— — — — — — — — — —
17 2019 5/5 2.6 3.6 60.9% 63.8% 47.8% 48.7% 44.7% 57.2% 45.0% — —/— — — — — — — — — —
18 2020 7/7 3.6 5.3 62.0% 64.8% 43.4% 60.9% 35.8% 56.2% 42.0% — —/— — — — — — — — — —
19 2021 35/35 2.7 3.9 62.7% 61.9% 45.2% 51.6% 45.5% 55.6% 44.0% — —/— — — — — — — — — —
20 2022 35/36 3.4 5.3 60.8% 64.4% 41.0% 48.5% 40.3% 55.5% 42.6% 2016 6/6 2.8 4.7 55.3% 61.0% 47.1% 44.4% 67.4% 54.9% 48.4%
21 2023 43/43 3.1 6.0 57.0% 66.3% 43.4% 48.0% 49.1% 56.5% 43.6% 2017 49/51 2.8 3.7 61.8% 62.7% 44.6% 52.5% 52.3% 55.8% 46.7%
22 2024 50/56 3.0 6.8 57.2% 65.8% 44.1% 52.9% 53.3% 56.6% 44.8% 2018 60/64 3.3 4.0 61.0% 66.0% 46.8% 53.5% 47.2% 58.6% 47.0%
23 2025 34/44 3.0 5.8 59.5% 67.7% 46.0% 62.0% 49.1% 58.9% 45.1% 2019 57/60 2.8 4.3 61.2% 67.3% 48.5% 56.8% 46.6% 59.8% 46.2%
24 2026 44/44 4.0 4.2 57.7% 71.2% 48.0% 59.4% 53.3% 61.4% 48.1% 2020 45/45 3.2 3.5 61.0% 70.2% 48.1% 62.3% 52.8% 61.5% 47.3%
25 — —/— — — — — — — — — — 2021 50/52 3.8 5.9 58.5% 68.3% 43.7% 49.4% 51.2% 57.9% 46.8%
26 — —/— — — — — — — — — — 2022 47/49 3.3 5.7 57.9% 69.3% 44.9% 46.9% 52.3% 58.8% 46.7%
27 — —/— — — — — — — — — — 2023 47/47 3.8 6.6 54.0% 68.2% 43.7% 49.7% 48.3% 57.0% 46.4%
28 — —/— — — — — — — — — — 2024 52/52 3.5 4.8 54.9% 67.7% 47.2% 49.2% 43.5% 58.6% 43.5%
29 — —/— — — — — — — — — — 2025 42/57 4.7 4.2 55.7% 70.9% 46.7% 61.7% 45.9% 60.1% 44.3%
30 — —/— — — — — — — — — — 2026 40/43 4.0 4.4 59.7% 71.5% 43.3% 59.2% 45.6% 60.2% 44.6%
Career — 261/278 3.2 5.4 58.9% 66.4% 44.7% 53.6% 49.0% 57.4% 44.6% — 495/526 3.5 4.7 58.6% 67.9% 45.9% 53.8% 48.7% 58.8% 46.0%

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 Marta Kostyuk Elise Mertens
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
15 2017 1483 97.0 — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
16 2018 1516 118.6 -0.89 -0.21 0.947 49.5% -2 +68 — 44.4% -0.33 0–2 — — +0.60 — — — — — — — — — — — — — — — —
17 2019 1616 118.9 -1.57 +1.09 1.053 50.9% — +68 — 53.8% +0.23 0–3 (0%) — — -0.05 — — — — — — — — — — — — — — — —
18 2020 1661 127.8 -0.40 -0.50 0.959 49.2% -2 — — 37.5% -0.88 0–2 2–1 (67%) — -0.16 — — — — — — — — — — — — — — — —
19 2021 1740 135.9 -0.54 +0.60 0.990 49.9% -34 +9 -154 53.2% +0.27 4–5 (44%) 3–5 (38%) 98.1 -0.69 — — — — — — — — — — — — — — — —
20 2022 1754 134.9 -0.66 +0.17 0.957 49.2% +1 -64 -136 46.5% -0.19 8–8 (50%) 5–4 (56%) 99.5 -1.22 2016 1546 114.6 +0.31 +2.24 1.071 51.6% — — +187 53.3% +0.73 1–2 (33%) 1–0 — -0.48
21 2023 1811 147.6 +0.01 +1.37 1.002 50.2% +7 -145 -163 51.0% +0.05 10–8 (56%) 9–5 (64%) 103.7 -1.77 2017 1734 133.6 +0.24 +2.71 1.057 51.3% -42 -32 -72 54.4% +0.38 10–6 (63%) 6–8 (43%) 104.5 -1.32
22 2024 1890 152.6 +0.62 +2.38 1.033 50.9% +29 -120 -214 57.5% +0.47 16–5 (76%) 11–6 (65%) 113.1 -0.25 2018 1820 149.2 +2.19 +3.65 1.136 52.8% -27 +78 -134 64.7% +1.14 11–6 (65%) 10–9 (53%) 102.7 +1.85
23 2025 1890 156.7 +2.03 +2.05 1.097 51.9% +45 -52 -342 55.2% +0.57 9–8 (53%) 3–8 (27%) 96.3 +1.49 2019 1841 151.4 +3.21 +3.08 1.150 52.7% +18 -36 -88 58.2% +0.82 9–12 (43%) 6–9 (40%) 95.6 -0.24
24 2026 2082 166.2 +4.43 +5.66 1.244 54.7% -66 +25 -302 72.3% +1.78 10–3 (77%) 4–6 (40%) 105.0 -2.33 2020 1934 157.8 +3.90 +3.73 1.228 54.2% +19 -60 — 67.6% +1.38 7–5 (58%) 2–3 (40%) 98.9 -0.09
25 — — — — — — — — — — — — — — — — 2021 1845 151.6 +1.62 +4.16 1.112 52.2% +60 +64 -104 60.3% +0.89 10–6 (63%) 8–6 (57%) 101.2 -0.07
26 — — — — — — — — — — — — — — — — 2022 1789 144.1 +1.46 +3.03 1.134 52.5% +31 +82 -28 55.7% +0.70 7–9 (44%) 4–5 (44%) 94.2 +1.98
27 — — — — — — — — — — — — — — — — 2023 1819 147.2 +0.37 +2.82 1.081 51.6% +29 +20 -94 56.6% +0.57 6–8 (43%) 7–3 (70%) 100.3 -0.17
28 — — — — — — — — — — — — — — — — 2024 1789 149.2 +1.83 +1.03 1.051 50.7% +1 +82 -81 54.0% +0.28 8–9 (47%) 1–5 (17%) 96.0 -1.04
29 — — — — — — — — — — — — — — — — 2025 1867 155.7 +3.19 +1.74 1.111 52.0% -32 +16 +59 63.3% +0.97 7–10 (41%) 10–7 (59%) 98.4 -1.11
30 — — — — — — — — — — — — — — — — 2026 1899 147.2 +2.55 +2.24 1.122 52.2% -42 -27 +78 59.2% +0.78 6–6 (50%) 3–2 (60%) 101.1 +1.70
Career — 2110 153.3 +0.90 +2.01 1.047 51.1% +4 -30 -215 55.5% +0.45 57–44 (56%) 37–35 (51%) 104.8 -1.59 — 2000 153.9 +2.02 +2.84 1.116 52.2% +3 +18 -22 59.4% +0.80 82–79 (51%) 58–57 (50%) 98.9 +0.19

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.