H2H data updated: 2026-09-12 00:00 UTC

Flavia Pennetta vs Klara Koukalova H2H: 5-4

Flavia Pennetta holds a 5–4 lead over Klara Koukalova in their WTA head-to-head. Across 9 main-draw meetings, Flavia Pennetta leads 3–2 on clay and 2–1 on hard courts. Most recently, Flavia Pennetta won the 2014 New Haven round of 32 6-1 6-3.

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Flavia Pennetta
ITA Age 44 Right-Handed 172 cm / 5'8"
H2H
5 – 4
9 main-draw meetings
Klara Koukalova
CZE Age 44 Right-Handed 166 cm / 5'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Flavia Pennetta #12 6-1 6-3 Klara Koukalova #37 Match data Aug 21, 2014* R32 New Haven Premier → modern equivalent WTA 500 Hard
Klara Koukalova #42 6-2 2-6 6-3 Flavia Pennetta #100 Match data Jul 11, 2013* R32 Palermo International → modern equivalent WTA 250 Clay
Klara Koukalova #44 7-5 6-2 Flavia Pennetta #27 Match data Aug 25, 2011* R32 New Haven Premier → modern equivalent WTA 500 Hard
Flavia Pennetta #18 5-7 6-1 6-2 Klara Koukalova #33 Match data Feb 17, 2011* R32 Dubai Tennis Championships Premier 5 → modern equivalent WTA 1000 Hard
Klara Koukalova #66 6-2 6-3 Flavia Pennetta #10 Match data Jun 26, 2010* R32 Wimbledon Grand Slam Grass
Flavia Pennetta #32 6-4 5-4 (ret.) Klara Koukalova #68 Match data Feb 17, 2008* F Vina Del Mar Tier III → modern equivalent WTA 250 Clay
Klara Koukalova #39 6-4 6-0 Flavia Pennetta #24 Match data Jul 23, 2005* SF Palermo Tier IV → modern equivalent WTA 250 Clay
Flavia Pennetta #68 7-5 3-6 6-3 Klara Koukalova #71 Match data Aug 15, 2004* F Sopot Tier III → modern equivalent WTA 250 Clay
Flavia Pennetta #74 6-4 6-2 Klara Koukalova #58 Match data Jul 24, 2004* QF Palermo Tier V → modern equivalent WTA 250 Clay

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
Flavia Pennetta #15 #6 3,621 1,985 420 274 60.5% 1 1 0 1 8 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 Flavia Pennetta Klara Koukalova
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 — — — — — — — 2001 5–4 55.6% #139 1,519 0 0
20 2002 1–3 25.0% #95 1,482 0 0 2002 4–5 44.4% #117 1,527 0 0
21 2003 18–20 47.4% #69 1,559 0 0 2003 14–19 42.4% #63 1,537 0 0
22 2004 30–22 57.7% #38 1,667 0 1 2004 26–23 53.1% #46 1,611 0 0
23 2005 37–21 63.8% #23 1,758 0 3 2005 32–19 62.7% #35 1,764 0 2
24 2006 29–18 61.7% #28 1,725 0 3 2006 10–22 31.2% #117 1,546 0 2
25 2007 30–24 55.6% #39 1,768 0 4 2007 12–12 50.0% #63 1,578 0 2
26 2008 50–24 67.6% #13 1,895 0 6 2008 21–22 48.8% #72 1,574 0 2
27 2009 52–23 69.3% #12 1,906 0 8 2009 8–17 32.0% #90 1,533 0 2
28 2010 45–23 66.2% #24 1,859 0 9 2010 20–20 50.0% #41 1,656 0 2
29 2011 31–22 58.5% #20 1,815 0 9 2011 29–25 53.7% #41 1,713 0 2
30 2012 21–14 60.0% #45 1,763 0 9 2012 24–22 52.2% #28 1,721 0 2
31 2013 19–20 48.7% #31 1,738 0 9 2013 27–25 51.9% #35 1,675 0 2
32 2014 30–20 60.0% #12 1,780 0 10 2014 29–27 51.8% #40 1,611 0 3
33 2015 27–20 57.4% #8 1,842 1 11 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 Flavia Pennetta 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 — — — — — — — — — — — — — — — — — 2001 — — — — 5 3 8 62.5% — — — — 0 1 1 0.0%
20 2002 0 1 1 0.0% 1 2 3 33.3% — — — — — — — — 2002 0 2 2 0.0% 4 3 7 57.1% — — — — — — — —
21 2003 9 10 19 47.4% 8 8 16 50.0% 1 2 3 33.3% — — — — 2003 3 6 9 33.3% 11 11 22 50.0% 0 1 1 0.0% 0 1 1 0.0%
22 2004 8 11 19 42.1% 20 8 28 71.4% 2 3 5 40.0% — — — — 2004 8 12 20 40.0% 13 9 22 59.1% 5 2 7 71.4% — — — —
23 2005 13 12 25 52.0% 20 6 26 76.9% 3 1 4 75.0% 1 2 3 33.3% 2005 16 11 27 59.3% 11 6 17 64.7% 5 1 6 83.3% 0 1 1 0.0%
24 2006 10 7 17 58.8% 16 8 24 66.7% 3 2 5 60.0% 0 1 1 0.0% 2006 4 11 15 26.7% 4 7 11 36.4% 1 3 4 25.0% 1 1 2 50.0%
25 2007 15 11 26 57.7% 13 11 24 54.2% 2 2 4 50.0% — — — — 2007 5 7 12 41.7% 7 5 12 58.3% — — — — — — — —
26 2008 29 16 45 64.4% 20 6 26 76.9% 1 2 3 33.3% — — — — 2008 6 9 15 40.0% 15 10 25 60.0% 0 2 2 0.0% 0 1 1 0.0%
27 2009 30 13 43 69.8% 18 8 26 69.2% 4 2 6 66.7% — — — — 2009 1 7 8 12.5% 7 9 16 43.8% 0 1 1 0.0% — — — —
28 2010 24 14 38 63.2% 17 6 23 73.9% 2 2 4 50.0% 2 1 3 66.7% 2010 12 11 23 52.2% 5 8 13 38.5% 3 1 4 75.0% — — — —
29 2011 23 15 38 60.5% 5 5 10 50.0% 3 2 5 60.0% — — — — 2011 16 15 31 51.6% 10 7 17 58.8% 2 2 4 50.0% 1 1 2 50.0%
30 2012 8 7 15 53.3% 10 4 14 71.4% 3 3 6 50.0% — — — — 2012 8 12 20 40.0% 8 6 14 57.1% 5 3 8 62.5% 3 1 4 75.0%
31 2013 8 9 17 47.1% 8 9 17 47.1% 3 2 5 60.0% — — — — 2013 17 16 33 51.5% 7 6 13 53.8% 2 2 4 50.0% 1 1 2 50.0%
32 2014 24 14 38 63.2% 4 4 8 50.0% 2 2 4 50.0% — — — — 2014 18 17 35 51.4% 4 6 10 40.0% 6 3 9 66.7% 1 1 2 50.0%
33 2015 22 14 36 61.1% 5 4 9 55.6% 0 2 2 0.0% — — — — 2015 5 14 19 26.3% 6 5 11 54.5% 3 3 6 50.0% — — — —
34 — — — — — — — — — — — — — — — — — 2016 0 4 4 0.0% — — — — — — — — — — — —
Career — 223 154 377 59.2% 165 89 254 65.0% 29 27 56 51.8% 3 4 7 42.9% — 119 154 273 43.6% 117 101 218 53.7% 32 24 56 57.1% 7 9 16 43.8%

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 463/690 of Flavia Pennetta's and 66/96 of Klara Koukalova'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 Flavia Pennetta Klara Koukalova
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%
21 2003 6/38 2.2 5.2 54.6% 66.1% 35.6% 50.8% 40.2% 52.0% 42.7% — —/— — — — — — — — — —
22 2004 3/52 6.0 7.3 56.1% 59.9% 40.0% 56.8% 55.2% 52.0% 44.4% — —/— — — — — — — — — —
23 2005 10/58 2.0 5.3 51.6% 60.9% 43.9% 51.3% 58.3% 52.4% 46.6% — —/— — — — — — — — — —
24 2006 26/47 2.8 4.0 59.6% 62.9% 44.7% 53.3% 52.6% 55.4% 48.6% — —/— — — — — — — — — —
25 2007 37/54 1.9 3.8 60.1% 60.3% 42.7% 50.3% 54.4% 53.1% 45.3% — —/— — — — — — — — — —
26 2008 62/74 3.2 3.2 55.9% 68.7% 49.3% 58.7% 50.8% 60.1% 47.6% — —/— — — — — — — — — —
27 2009 72/75 2.6 3.7 54.7% 67.6% 49.8% 57.2% 52.1% 59.5% 47.8% — —/— — — — — — — — — —
28 2010 64/68 3.0 2.4 56.2% 67.7% 51.7% 59.1% 54.0% 60.4% 47.8% — —/— — — — — — — — — —
29 2011 48/53 3.2 3.5 55.4% 66.5% 47.2% 53.0% 53.7% 57.9% 45.8% — —/— — — — — — — — — —
30 2012 30/35 2.4 2.8 55.3% 61.9% 47.5% 54.7% 49.4% 55.4% 48.6% — —/— — — — — — — — — —
31 2013 29/39 3.0 4.5 50.3% 65.8% 43.0% 56.2% 50.5% 54.5% 45.8% — —/— — — — — — — — — —
32 2014 44/50 4.3 3.2 52.7% 66.2% 47.7% 50.5% 47.8% 57.4% 45.2% 2014 31/56 1.8 5.0 55.4% 61.0% 41.7% 47.6% 48.1% 51.9% 43.5%
33 2015 32/47 2.4 3.9 59.5% 64.2% 48.1% 55.2% 48.8% 58.0% 42.1% 2015 31/36 0.7 5.5 55.6% 60.9% 46.7% 43.3% 48.1% 54.4% 42.6%
34 — —/— — — — — — — — — — 2016 4/4 0.3 7.3 56.6% 57.9% 44.2% 56.5% 65.5% 52.2% 36.5%
Career — 463/694 2.9 3.5 55.7% 65.7% 47.6% 55.2% 51.7% 57.6% 46.6% — 66/563 1.2 5.4 55.5% 60.8% 44.2% 46.1% 49.2% 53.1% 42.7%

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 Flavia Pennetta 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 — — — — — — — — — — — — — — — — 2001 1520 104.0 — — — — — +55 — 47.8% +0.26 4–1 (80%) 0–1 — +1.03
20 2002 1482 97.1 — — — — — +32 — 25.0% -1.75 — — — +0.08 2002 1527 105.4 — — — — — +71 — 50.0% -0.42 2–4 (33%) 1–0 — +0.68
21 2003 1560 125.7 -1.72 -0.40 0.890 47.5% -2 +37 +49 47.1% -0.14 6–5 (55%) 3–5 (38%) 102.7 -0.68 2003 1537 119.8 — — — — -60 +108 — 44.4% -0.35 7–8 (47%) 1–3 (25%) 99.1 +0.56
22 2004 1667 125.4 -0.89 -0.43 0.926 48.4% -112 +146 -120 56.5% +0.58 8–7 (53%) 8–9 (47%) 101.4 +1.32 2004 1612 117.6 — — — — -110 +85 +30 49.5% -0.07 8–7 (53%) 6–4 (60%) 103.5 +0.67
23 2005 1759 135.2 -1.62 +0.86 0.979 50.0% -112 +116 -120 61.9% +0.86 9–11 (45%) 6–6 (50%) 97.0 +2.09 2005 1764 126.4 — — — — -90 +7 -18 55.5% +0.09 15–4 (79%) 9–2 (82%) 118.0 +1.13
24 2006 1726 134.6 -0.56 +2.99 1.089 51.9% -60 +108 -17 59.4% +0.78 11–5 (69%) 4–3 (57%) 105.5 +1.64 2006 1547 107.1 — — — — +14 +77 +135 37.0% -1.05 2–7 (22%) 3–3 (50%) 92.0 +0.20
25 2007 1769 130.8 -2.24 +0.74 0.966 49.2% +6 -52 -58 55.5% +0.31 5–8 (38%) 5–7 (42%) 95.1 -0.31 2007 1579 115.5 — — — — -13 +59 — 50.0% +0.06 3–5 (38%) 3–4 (43%) 98.3 +0.21
26 2008 1896 147.8 +4.16 +3.17 1.193 53.8% -2 -55 -237 61.8% +0.96 19–9 (68%) 6–6 (50%) 105.6 +0.68 2008 1574 111.3 — — — — -45 +84 — 48.5% -0.08 10–9 (53%) 3–5 (38%) 100.5 +0.48
27 2009 1906 151.5 +3.26 +3.55 1.179 53.4% -12 +6 -184 67.1% +1.28 12–10 (55%) 7–5 (58%) 101.2 -0.05 2009 1534 110.3 — — — — -72 +97 — 35.0% -0.95 5–5 (50%) 4–5 (44%) 100.5 -0.40
28 2010 1859 153.2 +4.15 +3.92 1.206 54.0% +19 +34 -152 66.7% +1.29 4–6 (40%) 6–6 (50%) 95.0 +0.55 2010 1657 126.4 — — — — -49 -66 +4 46.2% -0.20 10–5 (67%) 5–6 (45%) 106.2 +0.89
29 2011 1815 145.0 +2.35 +1.96 1.088 51.7% +51 -18 -89 57.3% +0.54 11–9 (55%) 6–1 (86%) 102.7 +1.12 2011 1713 131.7 — — — — -15 -60 -54 50.4% -0.03 13–6 (68%) 7–4 (64%) 109.2 +0.80
30 2012 1764 131.0 +0.55 +3.40 1.090 51.9% +27 +80 -36 62.7% +0.96 6–5 (55%) 4–3 (57%) 98.7 +0.83 2012 1721 128.0 — — — — -45 -9 -3 51.0% +0.17 10–6 (63%) 5–7 (42%) 103.3 -0.68
31 2013 1738 133.4 -0.46 +1.75 1.006 50.1% +45 -19 -24 50.0% +0.03 4–10 (29%) 5–4 (56%) 91.2 -1.59 2013 1676 139.6 — — — — -9 +65 +31 51.7% +0.15 9–9 (50%) 6–9 (40%) 95.7 -1.87
32 2014 1780 151.1 +1.60 +1.73 1.061 51.3% +46 -53 -75 58.3% +0.70 8–7 (53%) 3–6 (33%) 96.7 +2.58 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 1842 148.4 +1.04 +1.52 1.004 50.2% +50 -127 — 55.0% +0.31 12–7 (63%) 7–3 (70%) 106.4 -0.87 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 — 1985 146.6 +1.84 +2.56 1.099 52.0% +2 +30 -88 59.1% +0.70 115–99 (54%) 70–64 (52%) 100.9 +1.07 — 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.