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

Lilia Osterloh vs Mariana Diaz-Oliva H2H: 0-1

Mariana Diaz-Oliva holds a 1–0 lead over Lilia Osterloh in their WTA head-to-head. Across 1 main-draw meeting, Mariana Diaz-Oliva leads 1–0 on hard courts. Most recently, Mariana Diaz-Oliva won the 2006 Los Angeles round of 64 7-6(4) 7-6(4).

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Lilia Osterloh
USA Age 48 Right-Handed 170 cm / 5'7"
H2H
0 – 1
1 main-draw meetings
Mariana Diaz-Oliva
ARG Age 50 Right-Handed 172 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mariana Diaz-Oliva #142 7-6(4) 7-6(4) Lilia Osterloh #107 Match data Aug 9, 2006* R64 Los Angeles Tier II → modern equivalent WTA 500 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
Lilia Osterloh #1,223 #41 738 1,696 83 138 37.6% 0 0 0 0 0 0
Mariana Diaz-Oliva #452 #42 696 1,652 86 130 39.8% 0 0 0 0 1 1

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 Lilia Osterloh Mariana Diaz-Oliva
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 1996 1–1 50.0% #195 1,518 0 0 — — — — — — —
19 1997 2–2 50.0% #170 1,550 0 0 — — — — — — —
20 1998 0–5 0.0% #120 1,501 0 0 1996 0–1 0.0% #140 1,485 0 0
21 1999 9–13 40.9% #79 1,545 0 0 1997 2–7 22.2% #106 1,455 0 0
22 2000 15–19 44.1% #43 1,596 0 0 1998 6–9 40.0% #95 1,470 0 0
23 2001 23–25 47.9% #53 1,658 0 0 1999 9–11 45.0% #107 1,510 0 0
24 2002 7–18 28.0% #156 1,535 0 0 2000 4–8 33.3% #112 1,499 0 0
25 2003 0–2 0.0% #180 1,508 0 0 2001 18–22 45.0% #55 1,548 0 0
26 2004 4–5 44.4% #119 1,561 0 0 2002 11–15 42.3% #89 1,567 0 1
27 2005 2–9 18.2% #144 1,488 0 0 2003 4–4 50.0% #172 1,581 0 1
28 2006 6–8 42.9% #118 1,509 0 0 2004 5–10 33.3% #102 1,539 0 1
29 2007 7–12 36.8% #91 1,544 0 0 2005 22–23 48.9% #58 1,606 0 1
30 2008 3–10 23.1% #230 1,486 0 0 2006 5–20 20.0% #192 1,460 0 1
31 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 Lilia Osterloh Mariana Diaz-Oliva
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 %
18 1996 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
19 1997 2 1 3 66.7% — — — — — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
20 1998 0 3 3 0.0% 0 1 1 0.0% 0 1 1 0.0% — — — — 1996 — — — — 0 1 1 0.0% — — — — — — — —
21 1999 6 8 14 42.9% 2 3 5 40.0% 1 2 3 33.3% — — — — 1997 0 1 1 0.0% 2 5 7 28.6% 0 1 1 0.0% — — — —
22 2000 6 9 15 40.0% 2 5 7 28.6% 5 2 7 71.4% 2 3 5 40.0% 1998 0 3 3 0.0% 5 5 10 50.0% 1 1 2 50.0% — — — —
23 2001 14 13 27 51.9% 4 6 10 40.0% 2 3 5 40.0% 3 3 6 50.0% 1999 0 1 1 0.0% 8 9 17 47.1% 1 1 2 50.0% — — — —
24 2002 6 8 14 42.9% 0 7 7 0.0% 1 2 3 33.3% 0 1 1 0.0% 2000 1 2 3 33.3% 3 6 9 33.3% — — — — — — — —
25 2003 — — — — — — — — 0 2 2 0.0% — — — — 2001 4 8 12 33.3% 14 12 26 53.8% 0 2 2 0.0% — — — —
26 2004 4 5 9 44.4% — — — — — — — — — — — — 2002 4 7 11 36.4% 7 7 14 50.0% 0 1 1 0.0% — — — —
27 2005 0 3 3 0.0% 2 4 6 33.3% 0 1 1 0.0% 0 1 1 0.0% 2003 0 2 2 0.0% 4 2 6 66.7% — — — — — — — —
28 2006 6 6 12 50.0% — — — — 0 2 2 0.0% — — — — 2004 4 7 11 36.4% 1 3 4 25.0% — — — — — — — —
29 2007 5 9 14 35.7% 1 1 2 50.0% 1 1 2 50.0% 0 1 1 0.0% 2005 8 11 19 42.1% 12 10 22 54.5% 2 2 4 50.0% — — — —
30 2008 3 5 8 37.5% 0 5 5 0.0% — — — — — — — — 2006 3 10 13 23.1% 2 8 10 20.0% 0 2 2 0.0% — — — —
31 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 — 56 76 132 42.4% 11 34 45 24.4% 11 18 29 37.9% 5 10 15 33.3% — 24 52 76 31.6% 58 68 126 46.0% 4 10 14 28.6% — — — —

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 52/70 of Lilia Osterloh's and 22/85 of Mariana Diaz-Oliva'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 Lilia Osterloh Mariana Diaz-Oliva
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 2006 7/14 0.9 3.6 66.1% 56.0% 39.1% 42.7% 47.9% 49.6% 46.1% 2004 3/15 0.7 3.7 69.2% 52.5% 43.8% 53.5% 45.2% 49.9% 42.9%
29 2007 17/19 1.8 3.6 60.1% 54.8% 45.0% 46.6% 44.5% 50.6% 43.6% 2005 6/45 0.8 4.0 63.2% 57.4% 42.2% 56.9% 54.7% 51.7% 47.7%
30 2008 12/13 1.3 4.6 58.3% 60.2% 37.4% 55.9% 42.2% 50.7% 42.9% 2006 13/25 1.1 3.8 66.1% 55.4% 37.1% 55.1% 46.9% 49.0% 44.1%
31 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 — 52/221 1.7 3.7 61.0% 56.6% 42.1% 48.9% 48.8% 50.8% 42.1% — 22/216 1.0 3.9 65.8% 55.5% 39.4% 55.4% 48.8% 49.9% 44.9%

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 Lilia Osterloh Mariana Diaz-Oliva
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
18 1996 1519 110.9 — — — — — — — 50.0% +0.50 — — — -0.06 — — — — — — — — — — — — — — — —
19 1997 1551 112.0 — — — — +33 — — 28.6% -2.00 1–0 — — +0.04 — — — — — — — — — — — — — — — —
20 1998 1502 105.3 — — — — +38 — — 23.1% -1.85 0–3 (0%) 0–1 — +0.07 1996 1486 100.0 — — — — — — — 33.3% -0.67 0–1 — — +0.07
21 1999 1546 126.1 — — — — +29 +17 +5 40.0% -0.98 4–2 (67%) — — -0.06 1997 1456 102.2 — — — — — +55 — 25.0% -1.38 0–2 0–2 — +0.10
22 2000 1596 120.7 — — — — -34 -49 +61 42.5% -0.41 8–6 (57%) 3–8 (27%) 101.9 -0.05 1998 1471 104.3 — — — — +8 +58 — 43.3% -0.47 1–1 3–3 (50%) — +1.39
23 2001 1658 133.0 — — — — -4 -132 +27 49.5% -0.09 5–8 (38%) 7–4 (64%) 100.9 -0.27 1999 1511 99.1 — — — — — +15 — 41.3% -0.44 5–1 (83%) 3–2 (60%) 105.7 +1.34
24 2002 1535 110.8 — — — — +102 -112 +96 29.3% -1.59 5–3 (63%) 2–3 (40%) 102.7 -1.31 2000 1500 102.9 — — — — -35 +12 — 33.3% -0.89 2–3 (40%) 3–4 (43%) 98.0 +0.33
25 2003 1509 94.9 — — — — — — — 0.0% -2.75 — — — +0.04 2001 1548 115.4 — — — — -74 +72 — 42.7% -0.76 7–4 (64%) 4–1 (80%) 108.0 -0.32
26 2004 1561 130.0 — — — — +95 — — 47.6% -0.38 1–2 (33%) 1–1 — -0.58 2002 1568 108.2 — — — — -86 +51 — 46.4% -0.36 2–4 (33%) 1–4 (20%) 95.3 -0.04
27 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 2003 1581 107.7 — — — — — +98 — 37.5% -0.06 2–0 1–2 (33%) — +0.45
28 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 2004 1540 108.8 -1.83 -0.74 0.856 46.7% -69 +94 — 32.4% -1.12 3–1 (75%) 2–2 (50%) 102.8 -0.24
29 2007 1545 117.7 -3.39 +0.08 0.882 46.8% +27 — — 41.9% -0.91 1–4 (20%) 1–0 — -0.55 2005 1606 122.7 -1.27 +1.04 0.989 50.0% -69 +54 -120 48.4% -0.26 7–4 (64%) 6–6 (50%) 106.4 -0.48
30 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 2006 1460 104.0 -4.32 -0.65 0.866 46.5% +14 +88 — 28.8% -1.46 2–9 (18%) 2–5 (29%) 90.3 0.00
31 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 — 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 — 1653 112.9 -3.15 -0.20 0.897 47.5% -53 +56 -120 40.3% -0.68 31–30 (51%) 25–31 (45%) 100.1 +1.21

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.