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

Mary Pierce vs Lilia Osterloh H2H: 1-1

Mary Pierce and Lilia Osterloh are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, Lilia Osterloh leads 1–0 on carpet, while Mary Pierce leads 1–0 on hard courts. Most recently, Lilia Osterloh won the 2000 Pan Pacific Open round of 16 6-7(3) 6-4 6-4.

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Mary Pierce
FRA Age 51 Right-Handed 178 cm / 5'10"
H2H
1 – 1
2 main-draw meetings
Lilia Osterloh
USA Age 48 Right-Handed 170 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Lilia Osterloh #87 6-7(3) 6-4 6-4 Mary Pierce #5 Match data Feb 4, 2000* R16 Pan Pacific Open Tier I → modern equivalent WTA 1000 Carpet
Mary Pierce #8 6-1 6-1 Lilia Osterloh #75 Match data Mar 20, 1999* R64 Key Biscayne Tier I → 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
Mary Pierce #560 #3 3,797 2,145 465 218 68.1% 2 5 0 5 6 18
Lilia Osterloh #1,223 #41 738 1,696 83 138 37.6% 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 Mary Pierce Lilia Osterloh
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
14 1989 0–3 0.0% #243 1,480 0 0 — — — — — — —
15 1990 6–7 46.2% #107 1,543 0 0 — — — — — — —
16 1991 21–9 70.0% #26 1,785 0 1 — — — — — — —
17 1992 32–10 76.2% #13 1,900 0 4 — — — — — — —
18 1993 38–15 71.7% #12 2,003 0 5 1996 1–1 50.0% #195 1,518 0 0
19 1994 43–16 72.9% #5 2,055 0 5 1997 2–2 50.0% #170 1,550 0 0
20 1995 35–14 71.4% #5 2,007 1 7 1998 0–5 0.0% #120 1,501 0 0
21 1996 18–12 60.0% #24 1,881 1 7 1999 9–13 40.9% #79 1,545 0 0
22 1997 45–15 75.0% #7 2,066 1 8 2000 15–19 44.1% #43 1,596 0 0
23 1998 35–12 74.5% #7 2,124 1 12 2001 23–25 47.9% #53 1,658 0 0
24 1999 45–19 70.3% #5 2,053 1 13 2002 7–18 28.0% #156 1,535 0 0
25 2000 29–11 72.5% #7 2,032 2 15 2003 0–2 0.0% #180 1,508 0 0
26 2001 6–8 42.9% #129 1,838 2 15 2004 4–5 44.4% #119 1,561 0 0
27 2002 14–13 51.9% #52 1,751 2 15 2005 2–9 18.2% #144 1,488 0 0
28 2003 23–17 57.5% #33 1,786 2 15 2006 6–8 42.9% #118 1,509 0 0
29 2004 25–17 59.5% #29 1,785 2 16 2007 7–12 36.8% #91 1,544 0 0
30 2005 41–12 77.4% #5 2,128 2 18 2008 3–10 23.1% #230 1,486 0 0
31 2006 9–8 52.9% #79 1,974 2 18 2009 3–3 50.0% #136 1,510 0 0
32 — — — — — — — 2010 1–6 14.3% #237 1,467 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 Mary Pierce Lilia Osterloh
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 %
14 1989 0 1 1 0.0% 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
15 1990 1 1 2 50.0% 5 4 9 55.6% — — — — 0 2 2 0.0% — — — — — — — — — — — — — — — — —
16 1991 12 6 18 66.7% 7 2 9 77.8% — — — — 2 1 3 66.7% — — — — — — — — — — — — — — — — —
17 1992 9 2 11 81.8% 11 4 15 73.3% — — — — 12 4 16 75.0% — — — — — — — — — — — — — — — — —
18 1993 19 6 25 76.0% 13 5 18 72.2% — — — — 6 4 10 60.0% 1996 1 1 2 50.0% — — — — — — — — — — — —
19 1994 15 5 20 75.0% 16 6 22 72.7% — — — — 12 5 17 70.6% 1997 2 1 3 66.7% — — — — — — — — 0 1 1 0.0%
20 1995 25 6 31 80.6% 8 4 12 66.7% 1 1 2 50.0% 1 3 4 25.0% 1998 0 3 3 0.0% 0 1 1 0.0% 0 1 1 0.0% — — — —
21 1996 4 4 8 50.0% 10 6 16 62.5% 4 2 6 66.7% — — — — 1999 6 8 14 42.9% 2 3 5 40.0% 1 2 3 33.3% — — — —
22 1997 14 6 20 70.0% 21 4 25 84.0% 4 2 6 66.7% 6 3 9 66.7% 2000 6 9 15 40.0% 2 5 7 28.6% 5 2 7 71.4% 2 3 5 40.0%
23 1998 14 6 20 70.0% 7 4 11 63.6% 0 1 1 0.0% 14 1 15 93.3% 2001 14 13 27 51.9% 4 6 10 40.0% 2 3 5 40.0% 3 3 6 50.0%
24 1999 24 10 34 70.6% 11 5 16 68.8% 3 1 4 75.0% 7 3 10 70.0% 2002 6 8 14 42.9% 0 7 7 0.0% 1 2 3 33.3% 0 1 1 0.0%
25 2000 13 6 19 68.4% 15 3 18 83.3% 1 1 2 50.0% 0 1 1 0.0% 2003 — — — — — — — — 0 2 2 0.0% — — — —
26 2001 5 4 9 55.6% 1 3 4 25.0% — — — — 0 1 1 0.0% 2004 4 5 9 44.4% — — — — — — — — — — — —
27 2002 1 5 6 16.7% 11 6 17 64.7% 2 2 4 50.0% — — — — 2005 0 3 3 0.0% 2 4 6 33.3% 0 1 1 0.0% 0 1 1 0.0%
28 2003 14 10 24 58.3% 4 4 8 50.0% 3 1 4 75.0% 2 2 4 50.0% 2006 6 6 12 50.0% — — — — 0 2 2 0.0% — — — —
29 2004 12 9 21 57.1% 4 5 9 44.4% 5 1 6 83.3% 4 2 6 66.7% 2007 5 9 14 35.7% 1 1 2 50.0% 1 1 2 50.0% 0 1 1 0.0%
30 2005 19 5 24 79.2% 13 5 18 72.2% 4 1 5 80.0% 5 1 6 83.3% 2008 3 5 8 37.5% 0 5 5 0.0% — — — — — — — —
31 2006 6 7 13 46.2% — — — — — — — — 3 1 4 75.0% 2009 2 2 4 50.0% — — — — 1 1 2 50.0% — — — —
32 — — — — — — — — — — — — — — — — — 2010 1 3 4 25.0% 0 2 2 0.0% 0 1 1 0.0% — — — —
Career — 207 99 306 67.6% 157 72 229 68.6% 27 13 40 67.5% 74 34 108 68.5% — 56 76 132 42.4% 11 34 45 24.4% 11 18 29 37.9% 5 10 15 33.3%

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 60/152 of Mary Pierce's and 52/70 of Lilia Osterloh'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 Mary Pierce Lilia Osterloh
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 — —/— — — — — — — — — — 2005 3/11 0.3 4.3 60.5% 46.3% 46.2% 38.9% 66.7% 46.9% 37.3%
28 2003 9/40 3.9 1.9 64.5% 68.8% 54.0% 63.9% 46.3% 63.3% 44.5% 2006 7/14 0.9 3.6 66.1% 56.0% 39.1% 42.7% 47.9% 49.6% 46.1%
29 2004 7/42 1.6 2.1 67.0% 71.4% 54.8% 59.0% 37.4% 66.4% 41.8% 2007 17/19 1.8 3.6 60.1% 54.8% 45.0% 46.6% 44.5% 50.6% 43.6%
30 2005 28/53 3.1 1.5 68.1% 68.9% 54.4% 59.1% 48.4% 64.3% 46.0% 2008 12/13 1.3 4.6 58.3% 60.2% 37.4% 55.9% 42.2% 50.7% 42.9%
31 2006 16/17 3.5 1.4 67.3% 69.2% 47.5% 52.5% 42.1% 62.2% 42.2% 2009 6/6 2.2 2.7 62.8% 60.1% 48.3% 55.1% 59.7% 56.1% 39.6%
32 — —/— — — — — — — — — — 2010 7/7 2.9 3.0 61.3% 57.0% 39.1% 47.3% 54.5% 50.0% 37.0%
Career — 60/683 3.1 1.6 67.2% 69.2% 52.6% 58.1% 45.1% 63.9% 44.3% — 52/221 1.7 3.7 61.0% 56.6% 42.1% 48.9% 48.8% 50.8% 42.1%

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 Mary Pierce Lilia Osterloh
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
14 1989 1480 106.2 — — — — — — — 14.3% -2.43 0–1 — — -0.34 — — — — — — — — — — — — — — — —
15 1990 1544 134.3 — — — — +3 +35 — 48.3% +0.52 1–2 (33%) 1–0 — +0.17 — — — — — — — — — — — — — — — —
16 1991 1786 146.7 — — — — -38 -56 — 66.7% +1.33 6–2 (75%) 5–1 (83%) 108.5 +1.05 — — — — — — — — — — — — — — — —
17 1992 1900 149.4 — — — — -37 -50 — 75.3% +2.01 4–3 (57%) 5–4 (56%) 100.2 +3.22 — — — — — — — — — — — — — — — —
18 1993 2003 165.9 — — — — -4 -109 — 70.4% +1.83 6–5 (55%) 6–9 (40%) 98.2 +1.14 1996 1519 110.9 — — — — — — — 50.0% +0.50 — — — -0.06
19 1994 2055 169.7 — — — — -25 -54 — 70.9% +1.86 5–4 (56%) 4–1 (80%) 100.7 +0.50 1997 1551 112.0 — — — — +33 — — 28.6% -2.00 1–0 — — +0.04
20 1995 2008 168.6 — — — — +34 -13 — 72.1% +1.78 3–5 (38%) 2–2 (50%) 94.5 +1.10 1998 1502 105.3 — — — — +38 — — 23.1% -1.85 0–3 (0%) 0–1 — +0.07
21 1996 1881 134.2 — — — — +65 +72 -205 58.3% +0.64 6–6 (50%) 3–2 (60%) 98.2 +2.43 1999 1546 126.1 — — — — +29 +17 +5 40.0% -0.98 4–2 (67%) — — -0.06
22 1997 2066 169.1 — — — — -62 +83 -301 68.5% +1.35 12–4 (75%) 6–3 (67%) 108.2 -4.07 2000 1596 120.7 — — — — -34 -49 +61 42.5% -0.41 8–6 (57%) 3–8 (27%) 101.9 -0.05
23 1998 2124 173.3 — — — — +36 -4 — 66.0% +1.50 12–0 (100%) 3–5 (38%) 110.4 -2.64 2001 1658 133.0 — — — — -4 -132 +27 49.5% -0.09 5–8 (38%) 7–4 (64%) 100.9 -0.27
24 1999 2053 167.4 — — — — +28 +14 -309 67.8% +1.34 10–7 (59%) 12–6 (67%) 99.5 +1.22 2002 1535 110.8 — — — — +102 -112 +96 29.3% -1.59 5–3 (63%) 2–3 (40%) 102.7 -1.31
25 2000 2033 163.9 — — — — -27 +116 — 72.3% +2.00 5–2 (71%) 2–2 (50%) 101.4 -0.29 2003 1509 94.9 — — — — — — — 0.0% -2.75 — — — +0.04
26 2001 1839 112.0 — — — — +44 +254 — 48.4% -0.13 0–3 (0%) 2–0 — +1.21 2004 1561 130.0 — — — — +95 — — 47.6% -0.38 1–2 (33%) 1–1 — -0.58
27 2002 1752 124.6 — — — — +10 +260 +15 55.0% +0.35 3–5 (38%) 1–4 (20%) 92.5 -0.57 2005 1488 99.5 -2.44 -2.36 0.703 41.7% +105 -60 — 28.0% -2.08 0–3 (0%) 0–1 — -0.27
28 2003 1787 140.5 +4.39 +0.45 1.214 53.8% -23 +157 +58 58.1% +0.66 6–4 (60%) 3–6 (33%) 98.2 -0.38 2006 1510 110.3 -2.68 -0.13 0.914 47.9% +82 — — 46.9% -0.19 3–3 (50%) 1–4 (20%) 98.8 +0.94
29 2004 1785 145.7 +5.15 -0.28 1.246 53.7% -31 +86 +122 59.6% +1.00 2–3 (40%) 2–5 (29%) 94.9 -1.86 2007 1545 117.7 -3.39 +0.08 0.882 46.8% +27 — — 41.9% -0.91 1–4 (20%) 1–0 — -0.55
30 2005 2128 166.4 +7.54 +2.70 1.291 54.8% -48 -147 -186 71.7% +1.54 8–1 (89%) 7–5 (58%) 108.3 -3.66 2008 1486 100.1 -3.07 -1.01 0.871 46.7% +64 -97 — 24.0% -1.44 1–0 1–3 (25%) — +0.06
31 2006 1975 136.3 +4.44 -0.56 1.116 52.0% -39 — — 55.9% +0.27 1–1 5–3 (63%) — -0.83 2009 1511 100.3 -0.43 -1.46 0.901 48.5% +43 — — 40.0% -0.40 3–0 (100%) 0–1 — +0.33
32 — — — — — — — — — — — — — — — — 2010 1468 100.5 -2.57 -3.96 0.740 43.5% +60 — — 18.8% -2.19 1–1 0–1 — -0.29
Career — 2145 166.5 +5.96 +1.15 1.225 53.8% -10 +27 -119 66.1% +1.33 90–58 (61%) 69–58 (54%) 101.5 -0.38 — 1696 123.9 -2.71 -1.06 0.855 46.4% +34 -80 +48 39.2% -0.82 33–35 (49%) 16–27 (37%) 99.8 -0.89

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.