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

Klara Koukalova vs Rossana De Los Ríos H2H: 1-0

Klara Koukalova holds a 1–0 lead over Rossana De Los Ríos in their WTA head-to-head. Across 1 main-draw meeting, Klara Koukalova leads 1–0 on hard courts. Most recently, Klara Koukalova won the 2010 Copenhagen round of 32 6-3 6-7(6) 6-0.

Czech Republic Age 44 Right-Handed 166 cm / 5'5"
H2H
1 0
1 main-draw meetings
PAR Age 50 Right-Handed 170 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Klara Koukalova #51 6-3 6-7(6) 6-0 Rossana De Los Ríos #123 Match data Aug 5, 2010* R32 Copenhagen 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
Klara Koukalova #566 #20 1,860 1,803 275 288 48.8% 0 0 0 0 3 3
Rossana De Los Ríos #1,178 #51 788 1,622 64 120 34.8% 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 Rossana De Los Ríos
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 1991 0–1 0.0% #268 1,488 0 0
17 1993 5–8 38.5% #118 1,538 0 0
18 1994 0–3 0.0% #462 1,504 0 0
19 2001 5–4 55.6% #139 1,519 0 0
20 2002 4–5 44.4% #117 1,527 0 0
21 2003 14–19 42.4% #63 1,537 0 0
22 2004 26–23 53.1% #46 1,611 0 0
23 2005 32–19 62.7% #35 1,764 0 2 1999 0–1 0.0% #270 1,488 0 0
24 2006 10–22 31.2% #117 1,546 0 2 2000 5–5 50.0% #76 1,523 0 0
25 2007 12–12 50.0% #63 1,578 0 2 2001 19–24 44.2% #54 1,601 0 0
26 2008 21–22 48.8% #72 1,574 0 2 2002 14–23 37.8% #88 1,553 0 0
27 2009 8–17 32.0% #90 1,533 0 2 2003 3–15 16.7% #149 1,449 0 0
28 2010 20–20 50.0% #41 1,656 0 2 2004 1–2 33.3% #200 1,454 0 0
29 2011 29–25 53.7% #41 1,713 0 2
30 2012 24–22 52.2% #28 1,721 0 2 2006 0–1 0.0% #205 1,448 0 0
31 2013 27–25 51.9% #35 1,675 0 2 2007 0–3 0.0% #125 1,425 0 0
32 2014 29–27 51.8% #40 1,611 0 3 2008 7–14 33.3% #95 1,437 0 0
33 2015 14–22 38.9% #99 1,549 0 3 2009 6–9 40.0% #98 1,501 0 0
34 2016 0–4 0.0% #400 1,486 0 3 2010 4–11 26.7% #178 1,480 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 Klara Koukalova Rossana De Los Ríos
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 %
15 1991 0 1 1 0.0%
17 1993 3 5 8 37.5% 1 2 3 33.3% 1 1 2 50.0%
18 1994 0 3 3 0.0%
19 2001 5 3 8 62.5% 0 1 1 0.0%
20 2002 0 2 2 0.0% 4 3 7 57.1%
21 2003 3 6 9 33.3% 11 11 22 50.0% 0 1 1 0.0% 0 1 1 0.0%
22 2004 8 12 20 40.0% 13 9 22 59.1% 5 2 7 71.4%
23 2005 16 11 27 59.3% 11 6 17 64.7% 5 1 6 83.3% 0 1 1 0.0% 1999 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% 2000 2 3 5 40.0% 3 1 4 75.0% 0 1 1 0.0%
25 2007 5 7 12 41.7% 7 5 12 58.3% 2001 10 13 23 43.5% 9 10 19 47.4% 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% 2002 7 10 17 41.2% 5 9 14 35.7% 1 2 3 33.3% 1 2 3 33.3%
27 2009 1 7 8 12.5% 7 9 16 43.8% 0 1 1 0.0% 2003 1 5 6 16.7% 2 9 11 18.2% 0 1 1 0.0%
28 2010 12 11 23 52.2% 5 8 13 38.5% 3 1 4 75.0% 2004 1 2 3 33.3%
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% 2006 0 1 1 0.0%
31 2013 17 16 33 51.5% 7 6 13 53.8% 2 2 4 50.0% 1 1 2 50.0% 2007 0 1 1 0.0% 0 2 2 0.0%
32 2014 18 17 35 51.4% 4 6 10 40.0% 6 3 9 66.7% 1 1 2 50.0% 2008 2 3 5 40.0% 5 10 15 33.3% 0 1 1 0.0%
33 2015 5 14 19 26.3% 6 5 11 54.5% 3 3 6 50.0% 2009 3 4 7 42.9% 2 4 6 33.3% 1 1 2 50.0%
34 2016 0 4 4 0.0% 2010 1 3 4 25.0% 3 7 10 30.0% 0 1 1 0.0%
Career 119 154 273 43.6% 117 101 218 53.7% 32 24 56 57.1% 7 9 16 43.8% 30 53 83 36.1% 30 56 86 34.9% 2 8 10 20.0% 2 3 5 40.0%

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 66/96 of Klara Koukalova's and 46/73 of Rossana De Los Ríos'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 Klara Koukalova Rossana De Los Ríos
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%
27 —/— 2003 2/18 0.0 3.0 64.5% 39.9% 37.3% 44.4% 0.0% 38.7% 24.6%
30 —/— 2006 1/1 2.0 1.0 70.1% 61.7% 25.0% 61.5% 66.7% 50.7% 41.4%
31 —/— 2007 1/3 0.0 1.0 79.0% 53.1% 35.3% 30.0% 62.5% 49.4% 41.0%
32 2014 31/56 1.8 5.0 55.4% 61.0% 41.7% 47.6% 48.1% 51.9% 43.5% 2008 15/21 0.3 3.5 65.7% 52.5% 39.4% 54.9% 40.9% 48.3% 41.3%
33 2015 31/36 0.7 5.5 55.6% 60.9% 46.7% 43.3% 48.1% 54.4% 42.6% 2009 14/15 0.3 3.7 63.5% 54.2% 40.3% 51.9% 41.5% 48.5% 38.3%
34 2016 4/4 0.3 7.3 56.6% 57.9% 44.2% 56.5% 65.5% 52.2% 36.5% 2010 13/15 0.4 2.5 73.2% 54.7% 37.1% 50.7% 44.5% 49.7% 42.0%
Career 66/563 1.2 5.4 55.5% 60.8% 44.2% 46.1% 49.2% 53.1% 42.7% 46/184 0.3 3.2 67.5% 53.3% 38.5% 51.9% 41.4% 48.4% 39.8%

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 Rossana De Los Ríos
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 1991 1489 100.1 0.0% -3.00 -0.01
17 1993 1539 109.1 +11 +17 33.3% -1.78 2–1 (67%) 2–1 (67%) 102.4 -0.33
18 1994 1504 96.2 +9 0.0% -3.67 -0.04
19 2001 1520 104.0 +55 47.8% +0.26 4–1 (80%) 0–1 +1.03
20 2002 1527 105.4 +71 50.0% -0.42 2–4 (33%) 1–0 +0.68
21 2003 1537 119.8 -60 +108 44.4% -0.35 7–8 (47%) 1–3 (25%) 99.1 +0.56
22 2004 1612 117.6 -110 +85 +30 49.5% -0.07 8–7 (53%) 6–4 (60%) 103.5 +0.67
23 2005 1764 126.4 -90 +7 -18 55.5% +0.09 15–4 (79%) 9–2 (82%) 118.0 +1.13 1999 1489 99.0 33.3% +0.33 0–1 +0.09
24 2006 1547 107.1 +14 +77 +135 37.0% -1.05 2–7 (22%) 3–3 (50%) 92.0 +0.20 2000 1523 109.6 -29 +54 45.0% -0.35 1–1 1–2 (33%) +0.82
25 2007 1579 115.5 -13 +59 50.0% +0.06 3–5 (38%) 3–4 (43%) 98.3 +0.21 2001 1601 120.5 -70 +48 43.3% -0.41 7–4 (64%) 5–0 (100%) 110.0 +0.59
26 2008 1574 111.3 -45 +84 48.5% -0.08 10–9 (53%) 3–5 (38%) 100.5 +0.48 2002 1553 110.4 -15 +16 -14 42.2% -0.71 2–7 (22%) 7–4 (64%) 96.8 +0.94
27 2009 1534 110.3 -72 +97 35.0% -0.95 5–5 (50%) 4–5 (44%) 100.5 -0.40 2003 1450 99.1 -2.66 -3.40 0.402 31.8% +43 +9 21.1% -2.08 0–4 (0%) 0–3 (0%) 91.9 -0.26
28 2010 1657 126.4 -49 -66 +4 46.2% -0.20 10–5 (67%) 5–6 (45%) 106.2 +0.89 2004 1454 110.2 +37 42.9% -0.29 0–1 0–2 +0.33
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 2006 1449 103.5 +0.91 +3.64 0.841 46.0% 0.0% -2.00 0–1 -0.16
31 2013 1676 139.6 -9 +65 +31 51.7% +0.15 9–9 (50%) 6–9 (40%) 95.7 -1.87 2007 1426 98.2 -0.36 -2.28 0.811 45.3% 14.3% -2.57 0–1 -0.20
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 2008 1437 92.1 -4.65 -1.78 0.798 44.9% +40 -8 33.3% -1.78 2–3 (40%) 2–1 (67%) 100.2 +0.31
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 2009 1502 103.8 -3.71 -3.39 0.743 43.6% -10 -46 37.1% -1.34 4–1 (80%) 2–1 (67%) -0.17
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 2010 1480 107.1 -3.00 -0.28 0.835 46.1% +10 -51 31.3% -1.63 0–2 2–1 (67%) -0.27
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 1623 110.4 -3.60 -1.81 0.772 44.3% -16 +7 -14 36.1% -1.15 18–26 (41%) 21–16 (57%) 101.5 +0.90

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.