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

Nadia Petrova vs Sandra Kleinova H2H: 1-0

Nadia Petrova holds a 1–0 lead over Sandra Kleinova in their WTA head-to-head. Across 1 main-draw meeting, Nadia Petrova leads 1–0 on clay. Most recently, Nadia Petrova won the 1998 Warsaw round of 32 6-3 1-6 6-4.

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Nadia Petrova
RUS Age 44 Right-Handed 178 cm / 5'10"
H2H
1 – 0
1 main-draw meetings
Sandra Kleinova
CZE Age 48 Right-Handed 177 cm / 5'10"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Nadia Petrova #270 6-3 1-6 6-4 Sandra Kleinova #74 Match data Jul 16, 1998* R32 Warsaw Tier III → 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
Nadia Petrova #578 #3 3,882 2,089 444 278 61.5% 0 3 1 5 4 13
Sandra Kleinova #759 #41 606 1,632 59 119 33.1% 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 Nadia Petrova Sandra Kleinova
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1998 2–2 50.0% #145 1,536 0 0 — — — — — — —
17 1999 3–5 37.5% #93 1,567 0 0 1995 6–2 75.0% #112 1,587 0 0
18 2000 12–15 44.4% #60 1,624 0 0 1996 4–9 30.8% #128 1,533 0 0
19 2001 20–21 48.8% #39 1,682 0 0 1997 13–20 39.4% #42 1,622 0 0
20 2002 7–5 58.3% #112 1,745 0 0 1998 3–20 13.0% #163 1,443 0 0
21 2003 36–20 64.3% #12 1,921 0 0 1999 10–14 41.7% #63 1,530 0 0
22 2004 40–25 61.5% #12 1,879 0 0 2000 6–17 26.1% #127 1,494 0 0
23 2005 56–25 69.1% #9 1,971 0 1 2001 5–11 31.2% #121 1,506 0 0
24 2006 48–19 71.6% #6 1,999 0 6 2002 2–5 28.6% #137 1,479 0 0
25 2007 37–18 67.3% #14 1,918 0 7 2003 5–7 41.7% #87 1,527 0 0
26 2008 47–24 66.2% #11 1,925 0 9 2004 5–13 27.8% #145 1,501 0 0
27 2009 30–21 58.8% #20 1,824 0 9 2005 0–1 0.0% #170 1,485 0 0
28 2010 32–20 61.5% #15 1,852 0 9 — — — — — — —
29 2011 25–21 54.3% #29 1,786 0 10 — — — — — — —
30 2012 39–19 67.2% #12 1,933 0 13 — — — — — — —
31 2013 9–13 40.9% #104 1,725 0 13 — — — — — — —
32 2014 1–5 16.7% #362 1,656 0 13 — — — — — — —

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 Nadia Petrova Sandra Kleinova
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 %
16 1998 — — — — 1 1 2 50.0% — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — —
17 1999 0 1 1 0.0% 0 1 1 0.0% 1 1 2 50.0% 2 2 4 50.0% 1995 — — — — 2 1 3 66.7% — — — — 4 1 5 80.0%
18 2000 8 5 13 61.5% 1 5 6 16.7% 2 3 5 40.0% 1 2 3 33.3% 1996 0 3 3 0.0% 4 5 9 44.4% 0 1 1 0.0% — — — —
19 2001 8 11 19 42.1% 9 5 14 64.3% 3 3 6 50.0% 0 2 2 0.0% 1997 6 6 12 50.0% 3 9 12 25.0% 2 3 5 40.0% 2 2 4 50.0%
20 2002 4 3 7 57.1% — — — — — — — — 3 2 5 60.0% 1998 0 8 8 0.0% 2 7 9 22.2% 1 3 4 25.0% 0 2 2 0.0%
21 2003 20 11 31 64.5% 9 4 13 69.2% 5 2 7 71.4% 2 3 5 40.0% 1999 4 6 10 40.0% 3 3 6 50.0% 0 2 2 0.0% 3 3 6 50.0%
22 2004 28 16 44 63.6% 8 5 13 61.5% 3 3 6 50.0% 1 1 2 50.0% 2000 3 7 10 30.0% 3 8 11 27.3% 0 2 2 0.0% — — — —
23 2005 34 17 51 66.7% 15 5 20 75.0% 5 2 7 71.4% 2 1 3 66.7% 2001 2 2 4 50.0% 1 5 6 16.7% 0 2 2 0.0% 2 2 4 50.0%
24 2006 28 16 44 63.6% 15 1 16 93.8% — — — — 5 2 7 71.4% 2002 2 2 4 50.0% 0 3 3 0.0% — — — — — — — —
25 2007 20 11 31 64.5% 8 5 13 61.5% 5 2 7 71.4% 4 0 4 100.0% 2003 1 1 2 50.0% 2 4 6 33.3% 0 1 1 0.0% 2 1 3 66.7%
26 2008 34 17 51 66.7% 5 4 9 55.6% 8 2 10 80.0% 0 1 1 0.0% 2004 4 10 14 28.6% 0 2 2 0.0% 1 1 2 50.0% — — — —
27 2009 17 13 30 56.7% 9 6 15 60.0% 4 2 6 66.7% — — — — 2005 0 1 1 0.0% — — — — — — — — — — — —
28 2010 17 14 31 54.8% 12 4 16 75.0% 3 2 5 60.0% — — — — — — — — — — — — — — — — — — — — —
29 2011 18 13 31 58.1% 3 5 8 37.5% 3 2 5 60.0% 1 1 2 50.0% — — — — — — — — — — — — — — — — —
30 2012 20 11 31 64.5% 10 6 16 62.5% 9 2 11 81.8% — — — — — — — — — — — — — — — — — — — — —
31 2013 7 7 14 50.0% 2 4 6 33.3% 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — —
32 2014 1 4 5 20.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 264 170 434 60.8% 107 62 169 63.3% 51 28 79 64.6% 22 18 40 55.0% — 22 46 68 32.4% 20 47 67 29.9% 4 15 19 21.1% 13 11 24 54.2%

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 414/630 of Nadia Petrova's and 7/30 of Sandra Kleinova'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 Nadia Petrova Sandra Kleinova
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 12/56 3.7 3.3 56.6% 70.3% 47.3% 61.6% 49.4% 60.0% 51.0% — —/— — — — — — — — — —
22 2004 10/65 4.7 4.2 56.8% 69.4% 49.1% 44.6% 40.1% 60.7% 44.9% — —/— — — — — — — — — —
23 2005 22/81 3.9 3.4 60.3% 69.7% 48.9% 61.7% 50.8% 61.3% 47.2% — —/— — — — — — — — — —
24 2006 50/67 5.1 2.7 61.5% 71.4% 51.1% 58.4% 48.2% 63.7% 47.6% — —/— — — — — — — — — —
25 2007 49/55 4.4 3.1 61.8% 71.9% 48.2% 58.1% 47.0% 62.6% 45.1% 2003 3/12 1.3 4.3 63.4% 58.4% 35.8% 52.1% 61.1% 50.1% 46.1%
26 2008 63/71 4.7 3.7 60.3% 70.4% 44.7% 57.0% 53.9% 60.4% 45.5% 2004 4/18 0.3 6.5 64.7% 59.5% 35.0% 49.5% 42.0% 50.8% 37.0%
27 2009 47/51 6.2 3.7 58.3% 70.3% 46.5% 50.8% 44.7% 60.2% 42.2% — —/— — — — — — — — — —
28 2010 47/52 6.2 3.3 57.1% 71.5% 48.2% 63.1% 51.9% 61.5% 43.1% — —/— — — — — — — — — —
29 2011 41/46 4.2 3.0 58.5% 66.6% 48.1% 55.9% 52.2% 59.1% 42.1% — —/— — — — — — — — — —
30 2012 45/58 6.0 3.0 55.3% 70.5% 46.7% 51.0% 48.8% 60.0% 44.4% — —/— — — — — — — — — —
31 2013 22/22 6.3 3.0 60.4% 67.2% 41.1% 51.9% 43.8% 57.1% 44.5% — —/— — — — — — — — — —
32 2014 6/6 5.3 5.5 46.7% 66.9% 45.9% 48.3% 39.9% 54.2% 42.2% — —/— — — — — — — — — —
Career — 414/722 5.2 3.3 58.9% 70.2% 47.3% 56.2% 49.0% 60.8% 44.7% — 7/178 0.7 5.6 64.2% 59.0% 35.3% 50.6% 50.2% 50.5% 40.9%

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 Nadia Petrova Sandra Kleinova
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
16 1998 1536 108.3 — — — — — — — 40.0% -1.10 2–0 1–1 — -0.21 — — — — — — — — — — — — — — — —
17 1999 1568 119.8 — — — — +27 — — 38.9% -1.06 1–1 1–0 — -0.10 1995 1587 115.8 — — — — +22 0 — 65.0% +1.10 3–1 (75%) — — +0.62
18 2000 1625 137.4 — — — — +80 -140 -67 48.4% +0.27 4–8 (33%) 1–4 (20%) 94.3 -0.47 1996 1533 112.6 — — — — +52 +28 — 33.3% -0.80 2–2 (50%) 2–4 (33%) 99.9 +0.41
19 2001 1683 138.0 — — — — -59 -20 -54 49.4% +0.35 5–6 (45%) 2–11 (15%) 96.0 -0.89 1997 1622 131.0 — — — — +45 -89 -35 40.5% -0.55 4–6 (40%) 3–4 (43%) 99.3 -0.05
20 2002 1745 137.3 — — — — -48 — — 59.1% +0.68 1–1 1–1 — -1.69 1998 1443 104.2 — — — — +80 +8 +135 24.5% -1.76 0–7 (0%) 1–3 (25%) 89.3 +0.23
21 2003 1922 156.8 +3.29 +4.32 1.277 55.5% -51 -85 -174 61.1% +0.92 11–9 (55%) 6–2 (75%) 105.2 -2.56 1999 1530 118.7 — — — — +35 -27 — 43.1% -0.47 5–2 (71%) 2–2 (50%) 106.0 +0.88
22 2004 1880 151.4 +3.04 +0.66 1.141 52.4% +11 -49 -143 61.4% +1.02 8–11 (42%) 7–7 (50%) 95.7 +1.78 2000 1494 107.6 — — — — +55 -24 — 28.8% -1.54 3–3 (50%) 3–0 (100%) — -0.35
23 2005 1971 156.3 +4.70 +2.81 1.221 54.3% -26 +29 -176 69.4% +1.41 13–10 (57%) 7–6 (54%) 102.6 +1.08 2001 1507 110.4 — — — — +74 -88 — 37.8% -1.46 3–4 (43%) 1–0 — -0.07
24 2006 1999 165.0 +7.12 +3.75 1.310 55.6% -34 +105 — 70.3% +1.75 9–6 (60%) 7–4 (64%) 102.2 +2.64 2002 1480 99.0 — — — — +102 -105 — 31.3% -1.50 1–1 — — +0.29
25 2007 1918 152.6 +6.15 +2.04 1.205 53.8% +19 +124 -43 68.2% +1.44 9–3 (75%) 7–7 (50%) 101.3 -0.25 2003 1527 110.3 -1.31 +0.48 0.923 47.8% +92 -144 — 47.8% -0.70 0–1 2–0 — +0.32
26 2008 1926 146.0 +4.49 +1.77 1.149 53.0% -16 +1 +21 66.9% +1.29 7–11 (39%) 9–5 (64%) 94.7 +0.54 2004 1502 114.9 -1.61 -2.98 0.752 44.3% +51 — — 33.3% -1.28 2–5 (29%) 1–0 — -0.76
27 2009 1825 141.7 +4.11 -1.32 1.060 51.1% +14 +37 +87 54.4% +0.50 14–8 (64%) 8–6 (57%) 100.8 +1.28 2005 1486 96.3 — — — — — — — 0.0% -3.50 — — — +0.10
28 2010 1853 154.1 +4.92 +0.47 1.120 52.6% -39 +99 +61 62.1% +0.91 10–8 (56%) 2–5 (29%) 97.3 -0.43 — — — — — — — — — — — — — — — —
29 2011 1787 136.6 +2.64 -0.57 1.028 50.6% -5 +48 +103 56.6% +0.32 5–6 (45%) 8–5 (62%) 97.5 +0.59 — — — — — — — — — — — — — — — —
30 2012 1933 142.8 +3.66 +1.17 1.111 52.0% -27 -100 +6 63.6% +0.94 13–6 (68%) 8–9 (47%) 102.3 +2.25 — — — — — — — — — — — — — — — —
31 2013 1725 130.0 +1.40 +0.62 1.039 50.4% +95 +39 — 44.2% +0.10 3–5 (38%) 1–4 (20%) 94.3 +0.77 — — — — — — — — — — — — — — — —
32 2014 1656 109.1 -1.13 -0.85 0.922 47.9% +85 — — 30.8% -1.15 1–2 (33%) 0–1 — -0.14 — — — — — — — — — — — — — — — —
Career — 2089 155.3 +4.43 +1.25 1.140 52.7% -11 +13 -35 61.1% +0.92 116–101 (53%) 76–78 (49%) 96.4 +0.59 — 1632 119.3 -1.48 -1.50 0.826 45.8% +56 -44 +41 36.8% -0.99 23–32 (42%) 15–13 (54%) 100.8 +0.92

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.