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

Mariana Diaz-Oliva vs Vanessa Webb H2H: 1-0

Mariana Diaz-Oliva holds a 1–0 lead over Vanessa Webb 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 2001 Canadian Open round of 64 3-6 7-5 6-1.

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Mariana Diaz-Oliva
ARG Age 50 Right-Handed 172 cm / 5'8"
H2H
1 – 0
1 main-draw meetings
Vanessa Webb
CAN Age 50 Left-Handed 180 cm / 5'11"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mariana Diaz-Oliva #46 3-6 7-5 6-1 Vanessa Webb #144 Match data Aug 15, 2001* R64 Canadian Open 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
Mariana Diaz-Oliva #452 #42 696 1,652 86 130 39.8% 0 0 0 0 1 1
Vanessa Webb #838 #107 316 1,500 8 25 24.2% 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 Mariana Diaz-Oliva Vanessa Webb
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 — — — — — — — 1992 0–1 0.0% #459 1,487 0 0
19 — — — — — — — 1995 0–2 0.0% #230 1,475 0 0
20 1996 0–1 0.0% #140 1,485 0 0 — — — — — — —
21 1997 2–7 22.2% #106 1,455 0 0 — — — — — — —
22 1998 6–9 40.0% #95 1,470 0 0 1998 0–2 0.0% #218 1,464 0 0
23 1999 9–11 45.0% #107 1,510 0 0 1999 0–1 0.0% #141 1,449 0 0
24 2000 4–8 33.3% #112 1,499 0 0 2000 4–9 30.8% #116 1,447 0 0
25 2001 18–22 45.0% #55 1,548 0 0 2001 1–2 33.3% #205 1,452 0 0
26 2002 11–15 42.3% #89 1,567 0 1 2002 2–5 28.6% #142 1,457 0 0
27 2003 4–4 50.0% #172 1,581 0 1 2003 1–3 25.0% #171 1,438 0 0
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 Mariana Diaz-Oliva Vanessa Webb
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 — — — — — — — — — — — — — — — — — 1992 0 1 1 0.0% — — — — — — — — — — — —
19 — — — — — — — — — — — — — — — — — 1995 0 1 1 0.0% — — — — 0 1 1 0.0% — — — —
20 1996 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
21 1997 0 1 1 0.0% 2 5 7 28.6% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
22 1998 0 3 3 0.0% 5 5 10 50.0% 1 1 2 50.0% — — — — 1998 0 2 2 0.0% — — — — — — — — — — — —
23 1999 0 1 1 0.0% 8 9 17 47.1% 1 1 2 50.0% — — — — 1999 0 1 1 0.0% — — — — — — — — — — — —
24 2000 1 2 3 33.3% 3 6 9 33.3% — — — — — — — — 2000 3 6 9 33.3% 0 1 1 0.0% 1 1 2 50.0% 0 1 1 0.0%
25 2001 4 8 12 33.3% 14 12 26 53.8% 0 2 2 0.0% — — — — 2001 0 1 1 0.0% — — — — 1 1 2 50.0% — — — —
26 2002 4 7 11 36.4% 7 7 14 50.0% 0 1 1 0.0% — — — — 2002 2 3 5 40.0% 0 1 1 0.0% 0 1 1 0.0% — — — —
27 2003 0 2 2 0.0% 4 2 6 66.7% — — — — — — — — 2003 1 2 3 33.3% — — — — 0 1 1 0.0% — — — —
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 — 24 52 76 31.6% 58 68 126 46.0% 4 10 14 28.6% — — — — — 6 17 23 26.1% 0 2 2 0.0% 2 5 7 28.6% 0 1 1 0.0%

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 Mariana Diaz-Oliva Vanessa Webb
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 — — — — — — — — — — — — — — — — 1992 1487 96.8 — — — — — — — 0.0% -4.00 — — — +0.15
19 — — — — — — — — — — — — — — — — 1995 1476 106.5 — — — — — — — 20.0% -2.20 0–1 — — -0.15
20 1996 1486 100.0 — — — — — — — 33.3% -0.67 0–1 — — +0.07 — — — — — — — — — — — — — — — —
21 1997 1456 102.2 — — — — — +55 — 25.0% -1.38 0–2 0–2 — +0.10 — — — — — — — — — — — — — — — —
22 1998 1471 104.3 — — — — +8 +58 — 43.3% -0.47 1–1 3–3 (50%) — +1.39 1998 1464 104.9 — — — — — — — 0.0% -3.25 — — — -0.08
23 1999 1511 99.1 — — — — — +15 — 41.3% -0.44 5–1 (83%) 3–2 (60%) 105.7 +1.34 1999 1450 96.7 — — — — — — — 0.0% -3.50 — — — +0.31
24 2000 1500 102.9 — — — — -35 +12 — 33.3% -0.89 2–3 (40%) 3–4 (43%) 98.0 +0.33 2000 1447 99.4 — — — — +21 — — 32.3% -1.10 3–2 (60%) 1–2 (33%) 101.5 +0.61
25 2001 1548 115.4 — — — — -74 +72 — 42.7% -0.76 7–4 (64%) 4–1 (80%) 108.0 -0.32 2001 1452 101.7 — — — — — — — 42.9% -0.43 0–1 — — +0.04
26 2002 1568 108.2 — — — — -86 +51 — 46.4% -0.36 2–4 (33%) 1–4 (20%) 95.3 -0.04 2002 1458 111.9 — — — — +4 — — 28.6% -0.86 0–2 1–2 (33%) — -0.26
27 2003 1581 107.7 — — — — — +98 — 37.5% -0.06 2–0 1–2 (33%) — +0.45 2003 1439 92.4 — — — — +7 — — 30.0% -1.70 1–1 — — +0.48
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 — 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 — 1500 103.1 — — — — +14 — — 28.0% -1.40 4–7 (36%) 2–4 (33%) 97.8 +3.33

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.