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

Anna-Lena Groenefeld vs Mariana Diaz-Oliva H2H: 1-0

Anna-Lena Groenefeld holds a 1–0 lead over Mariana Diaz-Oliva in their WTA head-to-head. Across 1 main-draw meeting, Anna-Lena Groenefeld leads 1–0 on clay. Most recently, Anna-Lena Groenefeld won the 2005 Istanbul round of 32 6-3 7-5.

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Anna-Lena Groenefeld
GER Age 41 Right-Handed 180 cm / 5'11"
H2H
1 – 0
1 main-draw meetings
Mariana Diaz-Oliva
ARG Age 50 Right-Handed 172 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Anna-Lena Groenefeld #46 6-3 7-5 Mariana Diaz-Oliva #73 Match data May 19, 2005* R32 Istanbul 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
Anna-Lena Groenefeld #1,012 #14 1,365 1,856 109 130 45.6% 0 0 0 0 1 1
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 Anna-Lena Groenefeld Mariana Diaz-Oliva
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 2003 3–6 33.3% #118 1,515 0 0 — — — — — — —
19 2004 7–15 31.8% #68 1,478 0 0 — — — — — — —
20 2005 36–26 58.1% #21 1,790 0 0 1996 0–1 0.0% #140 1,485 0 0
21 2006 30–26 53.6% #19 1,656 0 1 1997 2–7 22.2% #106 1,455 0 0
22 2007 4–14 22.2% #204 1,527 0 1 1998 6–9 40.0% #95 1,470 0 0
23 2008 7–7 50.0% #76 1,597 0 1 1999 9–11 45.0% #107 1,510 0 0
24 2009 18–23 43.9% #65 1,655 0 1 2000 4–8 33.3% #112 1,499 0 0
25 2010 4–11 26.7% #166 1,563 0 1 2001 18–22 45.0% #55 1,548 0 0
26 2011 0–2 0.0% #266 1,542 0 1 2002 11–15 42.3% #89 1,567 0 1
27 — — — — — — — 2003 4–4 50.0% #172 1,581 0 1
28 — — — — — — — 2004 5–10 33.3% #102 1,539 0 1
29 — — — — — — — 2005 22–23 48.9% #58 1,606 0 1
30 — — — — — — — 2006 5–20 20.0% #192 1,460 0 1

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 Anna-Lena Groenefeld 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 2003 1 3 4 25.0% 1 2 3 33.3% — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — —
19 2004 3 9 12 25.0% 4 5 9 44.4% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
20 2005 27 16 43 62.8% 7 6 13 53.8% 1 3 4 25.0% 1 1 2 50.0% 1996 — — — — 0 1 1 0.0% — — — — — — — —
21 2006 10 16 26 38.5% 18 6 24 75.0% 2 2 4 50.0% 0 2 2 0.0% 1997 0 1 1 0.0% 2 5 7 28.6% 0 1 1 0.0% — — — —
22 2007 2 6 8 25.0% 2 6 8 25.0% 0 2 2 0.0% — — — — 1998 0 3 3 0.0% 5 5 10 50.0% 1 1 2 50.0% — — — —
23 2008 4 5 9 44.4% 3 2 5 60.0% — — — — — — — — 1999 0 1 1 0.0% 8 9 17 47.1% 1 1 2 50.0% — — — —
24 2009 8 13 21 38.1% 10 8 18 55.6% 0 2 2 0.0% — — — — 2000 1 2 3 33.3% 3 6 9 33.3% — — — — — — — —
25 2010 3 7 10 30.0% 1 3 4 25.0% 0 1 1 0.0% — — — — 2001 4 8 12 33.3% 14 12 26 53.8% 0 2 2 0.0% — — — —
26 2011 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — 2002 4 7 11 36.4% 7 7 14 50.0% 0 1 1 0.0% — — — —
27 — — — — — — — — — — — — — — — — — 2003 0 2 2 0.0% 4 2 6 66.7% — — — — — — — —
28 — — — — — — — — — — — — — — — — — 2004 4 7 11 36.4% 1 3 4 25.0% — — — — — — — —
29 — — — — — — — — — — — — — — — — — 2005 8 11 19 42.1% 12 10 22 54.5% 2 2 4 50.0% — — — —
30 — — — — — — — — — — — — — — — — — 2006 3 10 13 23.1% 2 8 10 20.0% 0 2 2 0.0% — — — —
Career — 58 76 134 43.3% 46 39 85 54.1% 3 11 14 21.4% 2 4 6 33.3% — 24 52 76 31.6% 58 68 126 46.0% 4 10 14 28.6% — — — —

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 Anna-Lena Groenefeld 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 2003 1516 115.9 — — — — +21 +1 — 38.1% -0.48 1–2 (33%) 0–3 (0%) — -0.25 — — — — — — — — — — — — — — — —
19 2004 1478 112.5 +1.14 +0.30 1.285 54.6% +4 +58 — 34.1% -0.61 1–1 0–2 — +0.25 — — — — — — — — — — — — — — — —
20 2005 1790 139.1 +3.94 +1.05 1.197 53.3% -4 -165 -292 57.8% +0.52 8–4 (67%) 4–3 (57%) 105.9 +1.73 1996 1486 100.0 — — — — — — — 33.3% -0.67 0–1 — — +0.07
21 2006 1656 132.8 +1.54 -0.91 1.005 50.2% -69 +191 -102 52.7% +0.15 10–9 (53%) 6–7 (46%) 98.7 +2.20 1997 1456 102.2 — — — — — +55 — 25.0% -1.38 0–2 0–2 — +0.10
22 2007 1528 109.8 -1.58 -3.51 0.830 46.3% +7 +219 — 25.6% -1.23 1–2 (33%) 0–4 (0%) 95.2 +0.69 1998 1471 104.3 — — — — +8 +58 — 43.3% -0.47 1–1 3–3 (50%) — +1.39
23 2008 1597 128.6 +2.89 -1.21 1.066 50.8% -17 +136 — 51.7% +0.03 0–1 — — -1.01 1999 1511 99.1 — — — — — +15 — 41.3% -0.44 5–1 (83%) 3–2 (60%) 105.7 +1.34
24 2009 1655 128.8 +0.58 -2.14 0.947 48.9% -56 +88 — 46.3% -0.34 5–12 (29%) 4–6 (40%) 92.8 -1.96 2000 1500 102.9 — — — — -35 +12 — 33.3% -0.89 2–3 (40%) 3–4 (43%) 98.0 +0.33
25 2010 1563 104.5 -2.32 -1.60 0.865 46.9% 0 +100 — 37.8% -1.51 1–6 (14%) 3–0 (100%) 97.3 -0.12 2001 1548 115.4 — — — — -74 +72 — 42.7% -0.76 7–4 (64%) 4–1 (80%) 108.0 -0.32
26 2011 1542 96.7 -0.53 -1.59 0.574 41.1% — — — 0.0% -3.75 — — — -0.26 2002 1568 108.2 — — — — -86 +51 — 46.4% -0.36 2–4 (33%) 1–4 (20%) 95.3 -0.04
27 — — — — — — — — — — — — — — — — 2003 1581 107.7 — — — — — +98 — 37.5% -0.06 2–0 1–2 (33%) — +0.45
28 — — — — — — — — — — — — — — — — 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 — — — — — — — — — — — — — — — — 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 — — — — — — — — — — — — — — — — 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
Career — 1857 131.7 +0.84 -1.45 0.971 49.4% -23 +88 -197 47.2% -0.19 27–37 (42%) 17–25 (40%) 92.3 +0.53 — 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.