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

Mariana Diaz-Oliva vs Saori Obata H2H: 1-0

Mariana Diaz-Oliva holds a 1–0 lead over Saori Obata 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 2005 Australian Open first round 6-3 6-4.

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Mariana Diaz-Oliva
ARG Age 50 Right-Handed 172 cm / 5'8"
H2H
1 – 0
1 main-draw meetings
Saori Obata
JPN Age 48 Right-Handed 165 cm / 5'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mariana Diaz-Oliva #101 6-3 6-4 Saori Obata #109 Match data Jan 19, 2005* R128 Australian Open Grand Slam 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
Saori Obata #659 #39 836 1,666 42 77 35.3% 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 Saori Obata
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 — — — — — — — 1996 0–2 0.0% #300 1,469 0 0
19 — — — — — — — 1997 0–1 0.0% #228 1,455 0 0
20 1996 0–1 0.0% #140 1,485 0 0 1998 0–1 0.0% #216 1,440 0 0
21 1997 2–7 22.2% #106 1,455 0 0 1999 0–1 0.0% #455 1,431 0 0
22 1998 6–9 40.0% #95 1,470 0 0 2000 2–2 50.0% #174 1,458 0 0
23 1999 9–11 45.0% #107 1,510 0 0 2001 6–8 42.9% #94 1,512 0 0
24 2000 4–8 33.3% #112 1,499 0 0 2002 3–14 17.6% #126 1,461 0 0
25 2001 18–22 45.0% #55 1,548 0 0 2003 18–17 51.4% #49 1,641 0 0
26 2002 11–15 42.3% #89 1,567 0 1 2004 8–19 29.6% #109 1,488 0 0
27 2003 4–4 50.0% #172 1,581 0 1 2005 4–9 30.8% #110 1,497 0 0
28 2004 5–10 33.3% #102 1,539 0 1 2006 1–3 25.0% #289 1,501 0 0
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 Saori Obata
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 0 2 2 0.0% — — — — — — — — — — — —
19 — — — — — — — — — — — — — — — — — 1997 0 1 1 0.0% — — — — — — — — — — — —
20 1996 — — — — 0 1 1 0.0% — — — — — — — — 1998 0 1 1 0.0% — — — — — — — — — — — —
21 1997 0 1 1 0.0% 2 5 7 28.6% 0 1 1 0.0% — — — — 1999 0 1 1 0.0% — — — — — — — — — — — —
22 1998 0 3 3 0.0% 5 5 10 50.0% 1 1 2 50.0% — — — — 2000 2 2 4 50.0% — — — — — — — — — — — —
23 1999 0 1 1 0.0% 8 9 17 47.1% 1 1 2 50.0% — — — — 2001 5 6 11 45.5% — — — — 0 1 1 0.0% 1 1 2 50.0%
24 2000 1 2 3 33.3% 3 6 9 33.3% — — — — — — — — 2002 2 10 12 16.7% 0 1 1 0.0% 1 2 3 33.3% 0 1 1 0.0%
25 2001 4 8 12 33.3% 14 12 26 53.8% 0 2 2 0.0% — — — — 2003 17 12 29 58.6% 0 1 1 0.0% 1 3 4 25.0% 0 1 1 0.0%
26 2002 4 7 11 36.4% 7 7 14 50.0% 0 1 1 0.0% — — — — 2004 3 14 17 17.6% 0 2 2 0.0% 4 2 6 66.7% 1 1 2 50.0%
27 2003 0 2 2 0.0% 4 2 6 66.7% — — — — — — — — 2005 3 6 9 33.3% — — — — 0 2 2 0.0% 1 1 2 50.0%
28 2004 4 7 11 36.4% 1 3 4 25.0% — — — — — — — — 2006 0 2 2 0.0% — — — — — — — — 1 1 2 50.0%
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% — — — — — 32 57 89 36.0% 0 4 4 0.0% 6 10 16 37.5% 4 6 10 40.0%

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 22/85 of Mariana Diaz-Oliva's and 15/79 of Saori Obata'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 Mariana Diaz-Oliva Saori Obata
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%
25 — —/— — — — — — — — — — 2003 5/35 0.6 2.8 70.8% 52.6% 45.3% 51.2% 53.5% 50.3% 46.5%
26 — —/— — — — — — — — — — 2004 4/27 0.5 5.5 68.2% 52.6% 35.8% 38.5% 41.9% 46.6% 51.2%
27 — —/— — — — — — — — — — 2005 2/13 0.5 2.5 73.0% 62.2% 40.9% 41.1% 25.0% 56.4% 39.4%
28 2004 3/15 0.7 3.7 69.2% 52.5% 43.8% 53.5% 45.2% 49.9% 42.9% 2006 4/4 2.5 2.5 71.7% 60.6% 51.4% 57.3% 31.4% 56.9% 40.2%
29 2005 6/45 0.8 4.0 63.2% 57.4% 42.2% 56.9% 54.7% 51.7% 47.7% — —/— — — — — — — — — —
30 2006 13/25 1.1 3.8 66.1% 55.4% 37.1% 55.1% 46.9% 49.0% 44.1% — —/— — — — — — — — — —
Career — 22/216 1.0 3.9 65.8% 55.5% 39.4% 55.4% 48.8% 49.9% 44.9% — 15/119 1.1 3.4 70.6% 56.0% 43.8% 48.1% 40.7% 51.9% 45.1%

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 Mariana Diaz-Oliva Saori Obata
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 1469 96.7 — — — — — — — 33.3% -0.67 0–2 0–1 — +0.30
19 — — — — — — — — — — — — — — — — 1997 1455 92.2 — — — — — — — 0.0% -5.00 — — — +0.11
20 1996 1486 100.0 — — — — — — — 33.3% -0.67 0–1 — — +0.07 1998 1440 95.7 — — — — — — — 0.0% -3.50 — — — +0.16
21 1997 1456 102.2 — — — — — +55 — 25.0% -1.38 0–2 0–2 — +0.10 1999 1431 100.5 — — — — — — — 0.0% -3.00 — — — -0.01
22 1998 1471 104.3 — — — — +8 +58 — 43.3% -0.47 1–1 3–3 (50%) — +1.39 2000 1459 104.9 — — — — +27 — — 44.4% -0.11 1–0 1–1 — +0.07
23 1999 1511 99.1 — — — — — +15 — 41.3% -0.44 5–1 (83%) 3–2 (60%) 105.7 +1.34 2001 1512 122.7 — — — — +25 — — 46.9% +0.03 1–3 (25%) 1–2 (33%) 99.6 +0.30
24 2000 1500 102.9 — — — — -35 +12 — 33.3% -0.89 2–3 (40%) 3–4 (43%) 98.0 +0.33 2002 1462 107.0 — — — — +2 — +91 24.3% -1.43 0–3 (0%) 0–4 (0%) 92.1 -0.56
25 2001 1548 115.4 — — — — -74 +72 — 42.7% -0.76 7–4 (64%) 4–1 (80%) 108.0 -0.32 2003 1642 127.3 -1.91 +0.72 0.936 48.1% +4 — -106 51.3% +0.28 4–4 (50%) 1–5 (17%) 98.2 +0.14
26 2002 1568 108.2 — — — — -86 +51 — 46.4% -0.36 2–4 (33%) 1–4 (20%) 95.3 -0.04 2004 1489 107.8 -2.44 +1.59 0.958 48.7% -21 — +92 33.3% -1.02 4–4 (50%) 1–2 (33%) 99.0 +1.03
27 2003 1581 107.7 — — — — — +98 — 37.5% -0.06 2–0 1–2 (33%) — +0.45 2005 1497 118.9 +0.68 -0.94 0.902 46.9% -7 — — 35.7% -0.25 0–2 1–2 (33%) — -0.13
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 2006 1502 117.4 -0.93 -1.56 0.933 48.7% -13 — — 33.3% -1.00 0–1 — — -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 — 1666 120.5 -1.44 +0.12 0.938 48.3% +1 — +31 38.9% -0.51 10–19 (34%) 5–17 (23%) 89.2 +0.98

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.