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

Klara Koukalova vs Ekaterina Bychkova H2H: 1-1

Klara Koukalova and Ekaterina Bychkova are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, Klara Koukalova leads 1–0 on clay, while Ekaterina Bychkova leads 1–0 on hard courts. Most recently, Klara Koukalova won the 2008 Vina Del Mar round of 32 7-6(4) 2-6 6-3.

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Klara Koukalova
Czech Republic Age 44 Right-Handed 166 cm / 5'5"
H2H
1 – 1
2 main-draw meetings
Ekaterina Bychkova
RUS Age 41 Right-Handed 171 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Klara Koukalova #68 7-6(4) 2-6 6-3 Ekaterina Bychkova #101 Match data Feb 14, 2008* R32 Vina Del Mar Tier III → modern equivalent WTA 250 Clay
Ekaterina Bychkova #74 6-1 5-7 6-2 Klara Koukalova #31 Match data Jan 18, 2006* R128 Australian Open Grand Slam 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
Klara Koukalova #566 #20 1,860 1,803 275 288 48.8% 0 0 0 0 3 3
Ekaterina Bychkova #814 #66 588 1,570 34 67 33.7% 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 Klara Koukalova Ekaterina Bychkova
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 2001 5–4 55.6% #139 1,519 0 0 2004 1–1 50.0% #155 1,504 0 0
20 2002 4–5 44.4% #117 1,527 0 0 2005 9–10 47.4% #70 1,545 0 0
21 2003 14–19 42.4% #63 1,537 0 0 2006 9–21 30.0% #76 1,483 0 0
22 2004 26–23 53.1% #46 1,611 0 0 2007 5–13 27.8% #111 1,464 0 0
23 2005 32–19 62.7% #35 1,764 0 2 2008 5–12 29.4% #117 1,443 0 0
24 2006 10–22 31.2% #117 1,546 0 2 2009 1–3 25.0% #121 1,431 0 0
25 2007 12–12 50.0% #63 1,578 0 2 2010 3–4 42.9% #181 1,479 0 0
26 2008 21–22 48.8% #72 1,574 0 2 2011 0–1 0.0% #171 1,477 0 0
27 2009 8–17 32.0% #90 1,533 0 2 2012 0–1 0.0% #208 1,463 0 0
28 2010 20–20 50.0% #41 1,656 0 2 2013 1–1 50.0% #159 1,484 0 0
29 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 Klara Koukalova Ekaterina Bychkova
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 2001 — — — — 5 3 8 62.5% — — — — 0 1 1 0.0% 2004 1 1 2 50.0% — — — — — — — — — — — —
20 2002 0 2 2 0.0% 4 3 7 57.1% — — — — — — — — 2005 7 8 15 46.7% 2 2 4 50.0% — — — — — — — —
21 2003 3 6 9 33.3% 11 11 22 50.0% 0 1 1 0.0% 0 1 1 0.0% 2006 7 11 18 38.9% 0 8 8 0.0% 1 1 2 50.0% 1 1 2 50.0%
22 2004 8 12 20 40.0% 13 9 22 59.1% 5 2 7 71.4% — — — — 2007 3 6 9 33.3% 1 4 5 20.0% 0 2 2 0.0% 1 1 2 50.0%
23 2005 16 11 27 59.3% 11 6 17 64.7% 5 1 6 83.3% 0 1 1 0.0% 2008 5 6 11 45.5% 0 5 5 0.0% 0 1 1 0.0% — — — —
24 2006 4 11 15 26.7% 4 7 11 36.4% 1 3 4 25.0% 1 1 2 50.0% 2009 1 3 4 25.0% — — — — — — — — — — — —
25 2007 5 7 12 41.7% 7 5 12 58.3% — — — — — — — — 2010 3 3 6 50.0% 0 1 1 0.0% — — — — — — — —
26 2008 6 9 15 40.0% 15 10 25 60.0% 0 2 2 0.0% 0 1 1 0.0% 2011 0 1 1 0.0% — — — — — — — — — — — —
27 2009 1 7 8 12.5% 7 9 16 43.8% 0 1 1 0.0% — — — — 2012 0 1 1 0.0% — — — — — — — — — — — —
28 2010 12 11 23 52.2% 5 8 13 38.5% 3 1 4 75.0% — — — — 2013 1 1 2 50.0% — — — — — — — — — — — —
29 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 — 119 154 273 43.6% 117 101 218 53.7% 32 24 56 57.1% 7 9 16 43.8% — 28 41 69 40.6% 3 20 23 13.0% 1 4 5 20.0% 2 2 4 50.0%

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 Klara Koukalova Ekaterina Bychkova
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 2001 1520 104.0 — — — — — +55 — 47.8% +0.26 4–1 (80%) 0–1 — +1.03 2004 1505 101.3 — — — — — — — 50.0% 0.00 — — — +0.10
20 2002 1527 105.4 — — — — — +71 — 50.0% -0.42 2–4 (33%) 1–0 — +0.68 2005 1545 115.8 +0.50 +0.36 1.410 57.5% +2 +5 — 50.0% +0.29 1–3 (25%) 0–1 — +0.61
21 2003 1537 119.8 — — — — -60 +108 — 44.4% -0.35 7–8 (47%) 1–3 (25%) 99.1 +0.56 2006 1484 116.4 -1.26 -2.26 0.878 47.5% +45 -42 — 34.4% -0.95 2–6 (25%) 2–4 (33%) 95.9 -0.25
22 2004 1612 117.6 — — — — -110 +85 +30 49.5% -0.07 8–7 (53%) 6–4 (60%) 103.5 +0.67 2007 1465 117.0 -0.97 -2.69 0.867 47.1% +81 -55 — 35.7% -0.74 1–5 (17%) 1–3 (25%) 95.4 +0.08
23 2005 1764 126.4 — — — — -90 +7 -18 55.5% +0.09 15–4 (79%) 9–2 (82%) 118.0 +1.13 2008 1444 105.6 -1.14 -3.36 0.808 45.9% +97 -83 — 36.8% -1.03 2–4 (33%) 2–1 (67%) 99.1 +0.33
24 2006 1547 107.1 — — — — +14 +77 +135 37.0% -1.05 2–7 (22%) 3–3 (50%) 92.0 +0.20 2009 1431 96.6 -0.72 -0.93 0.899 48.4% +80 — — 33.3% -1.33 0–1 0–1 — +0.33
25 2007 1579 115.5 — — — — -13 +59 — 50.0% +0.06 3–5 (38%) 3–4 (43%) 98.3 +0.21 2010 1480 116.9 +1.66 -1.32 0.989 49.8% +69 — — 44.4% -0.17 2–2 (50%) 1–1 — -0.38
26 2008 1574 111.3 — — — — -45 +84 — 48.5% -0.08 10–9 (53%) 3–5 (38%) 100.5 +0.48 2011 1478 105.3 +2.99 +1.39 0.612 40.6% — — — 0.0% -4.00 — — — -0.20
27 2009 1534 110.3 — — — — -72 +97 — 35.0% -0.95 5–5 (50%) 4–5 (44%) 100.5 -0.40 2012 1464 100.6 -3.44 -4.61 0.910 48.0% — — — 33.3% -0.33 0–1 — — +0.08
28 2010 1657 126.4 — — — — -49 -66 +4 46.2% -0.20 10–5 (67%) 5–6 (45%) 106.2 +0.89 2013 1484 103.1 +0.17 +3.42 1.605 61.7% — — — 33.3% -0.33 0–1 — — +0.02
29 2011 1713 131.7 — — — — -15 -60 -54 50.4% -0.03 13–6 (68%) 7–4 (64%) 109.2 +0.80 — — — — — — — — — — — — — — — —
30 2012 1721 128.0 — — — — -45 -9 -3 51.0% +0.17 10–6 (63%) 5–7 (42%) 103.3 -0.68 — — — — — — — — — — — — — — — —
31 2013 1676 139.6 — — — — -9 +65 +31 51.7% +0.15 9–9 (50%) 6–9 (40%) 95.7 -1.87 2016 1470 94.8 — — — — — — — — — — — — —
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%) 104.3 -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%) 95.0 -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 — 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 — 1571 116.9 -0.66 -2.15 0.898 47.9% +54 -46 — 38.7% -0.64 8–23 (26%) 6–11 (35%) 88.9 +0.72

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.