H2H data updated: 2026-09-13 00:00 UTC

Joannette Kruger vs Mariana Diaz-Oliva H2H: 0-1

Mariana Diaz-Oliva holds a 1–0 lead over Joannette Kruger in their WTA head-to-head. Across 1 main-draw meeting, Mariana Diaz-Oliva leads 1–0 on clay. Most recently, Mariana Diaz-Oliva won the 1999 Palermo round of 32 6-7 6-4 6-4.

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Joannette Kruger
RSA Age 53 Right-Handed 179 cm / 5'10"
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 #123 6-7 6-4 6-4 Joannette Kruger #96 Match data Jul 15, 1999* R32 Palermo Tier IV → 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
Joannette Kruger #972 #21 1,280 1,860 147 163 47.4% 0 0 0 0 2 2
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 Joannette Kruger Mariana Diaz-Oliva
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 1992 2–3 40.0% #96 1,508 0 0 — — — — — — —
19 1993 9–13 40.9% #128 1,576 0 0 — — — — — — —
20 1994 13–17 43.3% #79 1,639 0 0 1996 0–1 0.0% #140 1,485 0 0
21 1995 19–15 55.9% #30 1,726 0 1 1997 2–7 22.2% #106 1,455 0 0
22 1996 7–13 35.0% #126 1,625 0 1 1998 6–9 40.0% #95 1,470 0 0
23 1997 25–18 58.1% #27 1,785 0 2 1999 9–11 45.0% #107 1,510 0 0
24 1998 25–22 53.2% #30 1,713 0 2 2000 4–8 33.3% #112 1,499 0 0
25 1999 9–13 40.9% #129 1,646 0 2 2001 18–22 45.0% #55 1,548 0 0
26 2000 16–17 48.5% #59 1,657 0 2 2002 11–15 42.3% #89 1,567 0 1
27 2001 21–23 47.7% #46 1,643 0 2 2003 4–4 50.0% #172 1,581 0 1
28 2002 1–4 20.0% #455 1,591 0 2 2004 5–10 33.3% #102 1,539 0 1
29 2003 0–5 0.0% #853 1,531 0 2 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 Joannette Kruger 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 1992 — — — — 2 2 4 50.0% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
19 1993 2 5 7 28.6% 6 6 12 50.0% 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — —
20 1994 2 7 9 22.2% 6 4 10 60.0% 4 3 7 57.1% 1 3 4 25.0% 1996 — — — — 0 1 1 0.0% — — — — — — — —
21 1995 10 7 17 58.8% 7 5 12 58.3% 0 1 1 0.0% 2 2 4 50.0% 1997 0 1 1 0.0% 2 5 7 28.6% 0 1 1 0.0% — — — —
22 1996 4 6 10 40.0% 3 5 8 37.5% 0 1 1 0.0% 0 1 1 0.0% 1998 0 3 3 0.0% 5 5 10 50.0% 1 1 2 50.0% — — — —
23 1997 4 3 7 57.1% 16 9 25 64.0% 1 1 2 50.0% 4 5 9 44.4% 1999 0 1 1 0.0% 8 9 17 47.1% 1 1 2 50.0% — — — —
24 1998 18 11 29 62.1% 6 7 13 46.2% 0 1 1 0.0% 1 3 4 25.0% 2000 1 2 3 33.3% 3 6 9 33.3% — — — — — — — —
25 1999 6 4 10 60.0% 3 5 8 37.5% 0 2 2 0.0% 0 2 2 0.0% 2001 4 8 12 33.3% 14 12 26 53.8% 0 2 2 0.0% — — — —
26 2000 7 7 14 50.0% 9 9 18 50.0% 0 1 1 0.0% — — — — 2002 4 7 11 36.4% 7 7 14 50.0% 0 1 1 0.0% — — — —
27 2001 16 12 28 57.1% 4 9 13 30.8% 1 2 3 33.3% — — — — 2003 0 2 2 0.0% 4 2 6 66.7% — — — — — — — —
28 2002 1 3 4 25.0% — — — — — — — — 0 1 1 0.0% 2004 4 7 11 36.4% 1 3 4 25.0% — — — — — — — —
29 2003 0 2 2 0.0% 0 3 3 0.0% — — — — — — — — 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 — 70 67 137 51.1% 62 64 126 49.2% 7 14 21 33.3% 8 18 26 30.8% — 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 1/5 of Joannette Kruger'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 Joannette Kruger 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%
28 — —/— — — — — — — — — — 2004 3/15 0.7 3.7 69.2% 52.5% 43.8% 53.5% 45.2% 49.9% 42.9%
29 2003 1/5 0.0 5.0 68.1% 40.6% 13.3% 33.3% 75.0% 31.9% 45.8% 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 — 1/310 0.0 5.0 68.1% 40.6% 13.3% 33.3% 75.0% 31.9% 45.8% — 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 Joannette Kruger 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 1992 1508 108.6 — — — — — +78 — 41.7% -1.00 1–1 1–1 — 0.00 — — — — — — — — — — — — — — — —
19 1993 1576 111.5 — — — — -64 +57 +8 38.5% -0.98 6–2 (75%) 2–4 (33%) 103.1 -0.32 — — — — — — — — — — — — — — — —
20 1994 1640 139.3 — — — — -110 +86 -11 44.1% -0.47 4–6 (40%) 2–2 (50%) 100.9 -0.48 1996 1486 100.0 — — — — — — — 33.3% -0.67 0–1 — — +0.07
21 1995 1726 133.4 — — — — -64 +26 — 54.5% +0.18 5–4 (56%) 6–5 (55%) 101.5 +0.79 1997 1456 102.2 — — — — — +55 — 25.0% -1.38 0–2 0–2 — +0.10
22 1996 1625 111.8 — — — — -5 +66 — 36.6% -1.34 4–1 (80%) 2–1 (67%) 103.7 -0.38 1998 1471 104.3 — — — — +8 +58 — 43.3% -0.47 1–1 3–3 (50%) — +1.39
23 1997 1786 143.0 — — — — -78 +29 — 53.0% +0.10 11–3 (79%) 6–4 (60%) 109.9 -0.97 1999 1511 99.1 — — — — — +15 — 41.3% -0.44 5–1 (83%) 3–2 (60%) 105.7 +1.34
24 1998 1714 137.8 — — — — +52 +7 — 50.0% -0.24 9–5 (64%) 4–6 (40%) 101.8 +0.70 2000 1500 102.9 — — — — -35 +12 — 33.3% -0.89 2–3 (40%) 3–4 (43%) 98.0 +0.33
25 1999 1647 113.5 — — — — +68 +11 — 39.6% -0.53 6–3 (67%) 4–3 (57%) 102.5 -0.09 2001 1548 115.4 — — — — -74 +72 — 42.7% -0.76 7–4 (64%) 4–1 (80%) 108.0 -0.32
26 2000 1658 124.8 — — — — +24 -4 — 50.0% -0.01 6–8 (43%) 6–5 (55%) 97.1 -0.73 2002 1568 108.2 — — — — -86 +51 — 46.4% -0.36 2–4 (33%) 1–4 (20%) 95.3 -0.04
27 2001 1644 115.3 — — — — +38 -79 -127 44.1% -0.64 11–5 (69%) 6–7 (46%) 102.1 +0.58 2003 1581 107.7 — — — — — +98 — 37.5% -0.06 2–0 1–2 (33%) — +0.45
28 2002 1591 105.0 — — — — +36 — — 30.8% -1.23 1–2 (33%) 0–2 — -0.01 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 2003 1532 103.1 -1.38 +1.09 0.673 38.9% — -5 — 16.7% -2.50 0–2 — — -0.40 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 — 1861 132.9 -1.38 +1.09 0.673 38.9% -3 +20 -33 46.1% -0.41 64–42 (60%) 39–40 (49%) 103.4 -0.42 — 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.