H2H data updated: 2026-09-01 00:00 UTC

Kiki Bertens vs Klara Koukalova H2H: 0-2

Klara Koukalova holds a 2–0 lead over Kiki Bertens in their WTA head-to-head. Across 2 main-draw meetings, Klara Koukalova leads 2–0 on hard courts. Most recently, Klara Koukalova won the 2014 Korea Open round of 32 6-0 4-6 6-4.

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Kiki Bertens
NED Age 34 Right-Handed 182 cm / 6'0"
H2H
0 – 2
2 main draw meetings
Klara Koukalova
CZE Age 44 Right-Handed 166 cm / 5'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Klara Koukalova #37 6-0 4-6 6-4 Kiki Bertens #82 Match data Sep 18, 2014* R32 Korea Open International → modern equivalent WTA 250 Hard
Klara Koukalova #35 7-5 7-6(5) Kiki Bertens #79 Match data Aug 6, 2014* R64 Canadian Open Premier 5 → modern equivalent 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
Kiki Bertens #25 #4 5,430 2,004 216 172 55.7% 0 2 0 3 6 11
Klara Koukalova #566 #20 1,860 1,803 275 288 48.8% 0 0 0 0 3 3

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 Kiki Bertens Klara Koukalova
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 2011 0–1 0.0% #182 1,493 0 0 2001 5–4 55.6% #139 1,519 0 0
20 2012 11–12 47.8% #63 1,580 0 1 2002 4–5 44.4% #117 1,527 0 0
21 2013 14–19 42.4% #87 1,551 0 1 2003 14–19 42.4% #63 1,537 0 0
22 2014 11–14 44.0% #68 1,579 0 1 2004 26–23 53.1% #46 1,611 0 0
23 2015 7–17 29.2% #104 1,520 0 1 2005 32–19 62.7% #35 1,764 0 2
24 2016 26–20 56.5% #22 1,689 0 2 2006 10–22 31.2% #117 1,546 0 2
25 2017 30–26 53.6% #31 1,696 0 5 2007 12–12 50.0% #63 1,578 0 2
26 2018 46–23 66.7% #9 1,911 0 8 2008 21–22 48.8% #72 1,574 0 2
27 2019 57–26 68.7% #9 1,897 0 10 2009 8–17 32.0% #90 1,533 0 2
28 2020 13–6 68.4% #9 1,882 0 11 2010 20–20 50.0% #41 1,656 0 2
29 2021 1–8 11.1% #25 1,733 0 11 2011 29–25 53.7% #41 1,713 0 2
30 — — — — — — — 2012 24–22 52.2% #28 1,721 0 2
31 — — — — — — — 2013 27–25 51.9% #35 1,675 0 2
32 — — — — — — — 2014 29–27 51.8% #40 1,611 0 3
33 — — — — — — — 2015 14–22 38.9% #99 1,549 0 3
34 — — — — — — — 2016 0–4 0.0% #400 1,486 0 3

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 Kiki Bertens Klara Koukalova
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
19 2011 — — — — — — — — 0 1 1 0.0% — — — — 2001 — — — — 5 3 8 62.5% — — — — 0 1 1 0.0%
20 2012 5 7 12 41.7% 5 3 8 62.5% 1 2 3 33.3% — — — — 2002 0 2 2 0.0% 4 3 7 57.1% — — — — — — — —
21 2013 5 8 13 38.5% 6 8 14 42.9% 0 2 2 0.0% 3 1 4 75.0% 2003 3 6 9 33.3% 11 11 22 50.0% 0 1 1 0.0% 0 1 1 0.0%
22 2014 5 10 15 33.3% 6 4 10 60.0% — — — — — — — — 2004 8 12 20 40.0% 13 9 22 59.1% 5 2 7 71.4% — — — —
23 2015 3 12 15 20.0% 1 3 4 25.0% 3 2 5 60.0% — — — — 2005 16 11 27 59.3% 11 6 17 64.7% 5 1 6 83.3% 0 1 1 0.0%
24 2016 7 14 21 33.3% 17 5 22 77.3% 2 1 3 66.7% — — — — 2006 4 11 15 26.7% 4 7 11 36.4% 1 3 4 25.0% 1 1 2 50.0%
25 2017 7 16 23 30.4% 23 7 30 76.7% 0 3 3 0.0% — — — — 2007 5 7 12 41.7% 7 5 12 58.3% — — — — — — — —
26 2018 26 15 41 63.4% 15 5 20 75.0% 5 3 8 62.5% — — — — 2008 6 9 15 40.0% 15 10 25 60.0% 0 2 2 0.0% 0 1 1 0.0%
27 2019 30 18 48 62.5% 18 5 23 78.3% 9 3 12 75.0% — — — — 2009 1 7 8 12.5% 7 9 16 43.8% 0 1 1 0.0% — — — —
28 2020 10 3 13 76.9% 3 3 6 50.0% — — — — — — — — 2010 12 11 23 52.2% 5 8 13 38.5% 3 1 4 75.0% — — — —
29 2021 0 4 4 0.0% 1 2 3 33.3% 0 2 2 0.0% — — — — 2011 16 15 31 51.6% 10 7 17 58.8% 2 2 4 50.0% 1 1 2 50.0%
30 — — — — — — — — — — — — — — — — — 2012 8 12 20 40.0% 8 6 14 57.1% 5 3 8 62.5% 3 1 4 75.0%
31 — — — — — — — — — — — — — — — — — 2013 17 16 33 51.5% 7 6 13 53.8% 2 2 4 50.0% 1 1 2 50.0%
32 — — — — — — — — — — — — — — — — — 2014 18 17 35 51.4% 4 6 10 40.0% 6 3 9 66.7% 1 1 2 50.0%
33 — — — — — — — — — — — — — — — — — 2015 5 14 19 26.3% 6 5 11 54.5% 3 3 6 50.0% — — — —
34 — — — — — — — — — — — — — — — — — 2016 0 4 4 0.0% — — — — — — — — — — — —
Career — 98 107 205 47.8% 95 45 140 67.9% 20 19 39 51.3% 3 1 4 75.0% — 119 154 273 43.6% 117 101 218 53.7% 32 24 56 57.1% 7 9 16 43.8%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. 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 Kiki Bertens Klara Koukalova
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
19 2011 1494 97.6 +1.77 -1.03 0.783 44.4% — — — 0.0% -3.00 — 0–1 — -0.13 2001 1520 104.0 — — — — — +55 — 47.8% +0.26 4–1 (80%) 0–1 — +1.03
20 2012 1580 118.0 +0.05 -1.16 0.955 49.1% -24 +11 +4 47.1% -0.27 5–2 (71%) 3–1 (75%) — -0.87 2002 1527 105.4 — — — — — +71 — 50.0% -0.42 2–4 (33%) 1–0 — +0.68
21 2013 1551 121.8 -1.34 -0.74 0.952 48.8% +33 +22 — 44.6% -0.39 5–7 (42%) 3–3 (50%) — -1.04 2003 1537 119.8 — — — — -60 +108 — 44.4% -0.35 7–8 (47%) 1–3 (25%) — +0.56
22 2014 1580 124.4 -1.78 +0.96 0.993 49.7% -23 +77 — 47.2% -0.02 4–5 (44%) 3–3 (50%) — -0.24 2004 1612 117.6 — — — — -110 +85 +30 49.5% -0.07 8–7 (53%) 6–4 (60%) — +0.67
23 2015 1520 114.8 -1.77 -2.92 0.837 46.5% -52 +93 +82 34.5% -1.07 2–7 (22%) 3–2 (60%) — -1.23 2005 1764 126.4 — — — — -90 +7 -18 55.5% +0.09 15–4 (79%) 9–2 (82%) — +1.13
24 2016 1689 132.6 +2.91 +1.95 1.122 52.4% -129 +137 -72 54.6% +0.61 6–5 (55%) 6–5 (55%) — -1.68 2006 1547 107.1 — — — — +14 +77 +135 37.0% -1.05 2–7 (22%) 3–3 (50%) — +0.20
25 2017 1696 135.9 +2.39 +1.24 1.122 52.6% -173 +308 -130 54.9% +0.68 3–8 (27%) 3–8 (27%) — +1.57 2007 1579 115.5 — — — — -13 +59 — 50.0% +0.06 3–5 (38%) 3–4 (43%) — +0.21
26 2018 1911 154.4 +3.14 +4.20 1.171 53.3% -97 +80 -217 63.3% +1.14 14–12 (54%) 10–15 (40%) — -1.83 2008 1574 111.3 — — — — -45 +84 — 48.5% -0.08 10–9 (53%) 3–5 (38%) — +0.48
27 2019 1897 153.7 +4.80 +1.58 1.142 52.4% -14 +155 -90 65.1% +0.95 18–13 (58%) 12–12 (50%) — +0.54 2009 1534 110.3 — — — — -72 +97 — 35.0% -0.95 5–5 (50%) 4–5 (44%) — -0.40
28 2020 1883 144.7 +1.90 +2.64 1.150 53.1% +54 +91 — 65.1% +1.09 5–2 (71%) 3–0 (100%) — +1.01 2010 1657 126.4 — — — — -49 -66 +4 46.2% -0.20 10–5 (67%) 5–6 (45%) — +0.89
29 2021 1733 102.2 -2.11 -1.63 0.787 44.9% +114 +208 — 20.0% -2.00 0–2 — — +0.66 2011 1713 131.7 — — — — -15 -60 -54 50.4% -0.03 13–6 (68%) 7–4 (64%) — +0.80
30 — — — — — — — — — — — — — — — — 2012 1721 128.0 — — — — -45 -9 -3 51.0% +0.17 10–6 (63%) 5–7 (42%) — -0.68
31 — — — — — — — — — — — — — — — — 2013 1676 139.6 — — — — -9 +65 +31 51.7% +0.15 9–9 (50%) 6–9 (40%) — -1.87
32 — — — — — — — — — — — — — — — — 2014 1612 127.9 -2.87 -0.03 0.906 47.8% +13 +61 +151 50.8% -0.13 10–8 (56%) 11–4 (73%) — -0.55
33 — — — — — — — — — — — — — — — — 2015 1549 110.8 -2.79 +1.36 0.935 48.1% -28 +101 +170 40.5% -0.84 2–6 (25%) 3–4 (43%) — -0.51
34 — — — — — — — — — — — — — — — — 2016 1486 101.6 -2.24 -1.27 0.765 45.0% -28 — — 27.3% -1.55 0–3 (0%) 0–1 — +0.16
Career — 2004 143.8 +2.04 +1.38 1.074 51.4% -53 +144 -88 55.1% +0.46 62–63 (50%) 46–50 (48%) 100.2 -0.84 — 1804 125.9 -2.79 +0.55 0.910 47.8% -34 +51 +56 47.9% -0.19 110–93 (54%) 67–62 (52%) 106.6 +0.50

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.