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

Ai Sugiyama vs Joannette Kruger H2H: 2-1

Ai Sugiyama holds a 2–1 lead over Joannette Kruger in their WTA head-to-head. Across 3 main-draw meetings, they are tied 1–1 on clay, while Ai Sugiyama leads 1–0 on hard courts. Most recently, Ai Sugiyama won the 2001 Toyota Princess Cup round of 16 3-6 6-4 7-6(4).

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Ai Sugiyama
JPN Age 51 Right-Handed 163 cm / 5'4"
H2H
2 – 1
3 main-draw meetings
Joannette Kruger
RSA Age 53 Right-Handed 179 cm / 5'10"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ai Sugiyama #39 3-6 6-4 7-6(4) Joannette Kruger #58 Match data Sep 21, 2001* R16 Toyota Princess Cup Tier II → modern equivalent WTA 500 Hard
Ai Sugiyama #20 6-2 6-3 Joannette Kruger #59 Match data May 17, 2000* R64 Italian Open Tier I → modern equivalent WTA 1000 Clay
Joannette Kruger #121 6-3 6-2 Ai Sugiyama #26 Match data May 7, 1997* R64 Italian Open Tier I → modern equivalent WTA 1000 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
Ai Sugiyama #97 #8 2,400 1,951 416 366 53.2% 0 0 0 2 4 6
Joannette Kruger #972 #21 1,280 1,860 147 163 47.4% 0 0 0 0 2 2

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 Ai Sugiyama Joannette Kruger
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1992 1–4 20.0% #184 1,477 0 0 — — — — — — —
17 1993 3–8 27.3% #145 1,486 0 0 — — — — — — —
18 1994 9–11 45.0% #72 1,556 0 0 1992 2–3 40.0% #96 1,508 0 0
19 1995 16–17 48.5% #46 1,665 0 0 1993 9–13 40.9% #128 1,576 0 0
20 1996 24–19 55.8% #28 1,751 0 0 1994 13–17 43.3% #79 1,639 0 0
21 1997 31–25 55.4% #21 1,837 0 1 1995 19–15 55.9% #30 1,726 0 1
22 1998 37–21 63.8% #18 1,862 0 3 1996 7–13 35.0% #126 1,625 0 1
23 1999 27–23 54.0% #24 1,807 0 3 1997 25–18 58.1% #27 1,785 0 2
24 2000 20–25 44.4% #32 1,679 0 3 1998 25–22 53.2% #30 1,713 0 2
25 2001 28–25 52.8% #30 1,718 0 3 1999 9–13 40.9% #129 1,646 0 2
26 2002 35–26 57.4% #24 1,755 0 3 2000 16–17 48.5% #59 1,657 0 2
27 2003 44–25 63.8% #10 1,915 0 5 2001 21–23 47.7% #46 1,643 0 2
28 2004 33–23 58.9% #17 1,808 0 6 2002 1–4 20.0% #455 1,591 0 2
29 2005 28–27 50.9% #29 1,741 0 6 2003 0–5 0.0% #853 1,531 0 2
30 2006 28–25 52.8% #26 1,743 0 6 — — — — — — —
31 2007 17–21 44.7% #38 1,633 0 6 — — — — — — —
32 2008 26–22 54.2% #31 1,713 0 6 — — — — — — —
33 2009 9–19 32.1% #97 1,627 0 6 — — — — — — —

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 Ai Sugiyama Joannette Kruger
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 3 3 0.0% — — — — — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — —
17 1993 2 3 5 40.0% — — — — 0 2 2 0.0% 1 3 4 25.0% — — — — — — — — — — — — — — — — —
18 1994 6 7 13 46.2% — — — — 0 2 2 0.0% 3 2 5 60.0% 1992 — — — — 2 2 4 50.0% — — — — 0 1 1 0.0%
19 1995 5 8 13 38.5% 6 4 10 60.0% 0 2 2 0.0% 5 3 8 62.5% 1993 2 5 7 28.6% 6 6 12 50.0% 1 2 3 33.3% — — — —
20 1996 19 11 30 63.3% 0 3 3 0.0% 4 2 6 66.7% 1 3 4 25.0% 1994 2 7 9 22.2% 6 4 10 60.0% 4 3 7 57.1% 1 3 4 25.0%
21 1997 19 13 32 59.4% 3 5 8 37.5% 2 2 4 50.0% 7 5 12 58.3% 1995 10 7 17 58.8% 7 5 12 58.3% 0 1 1 0.0% 2 2 4 50.0%
22 1998 24 9 33 72.7% 6 5 11 54.5% 1 2 3 33.3% 6 5 11 54.5% 1996 4 6 10 40.0% 3 5 8 37.5% 0 1 1 0.0% 0 1 1 0.0%
23 1999 18 11 29 62.1% 3 4 7 42.9% 2 2 4 50.0% 4 6 10 40.0% 1997 4 3 7 57.1% 16 9 25 64.0% 1 1 2 50.0% 4 5 9 44.4%
24 2000 11 13 24 45.8% 6 5 11 54.5% 1 2 3 33.3% 2 5 7 28.6% 1998 18 11 29 62.1% 6 7 13 46.2% 0 1 1 0.0% 1 3 4 25.0%
25 2001 20 14 34 58.8% 4 6 10 40.0% 2 3 5 40.0% 2 2 4 50.0% 1999 6 4 10 60.0% 3 5 8 37.5% 0 2 2 0.0% 0 2 2 0.0%
26 2002 26 16 42 61.9% 4 6 10 40.0% 5 3 8 62.5% 0 1 1 0.0% 2000 7 7 14 50.0% 9 9 18 50.0% 0 1 1 0.0% — — — —
27 2003 29 16 45 64.4% 7 4 11 63.6% 4 2 6 66.7% 4 3 7 57.1% 2001 16 12 28 57.1% 4 9 13 30.8% 1 2 3 33.3% — — — —
28 2004 22 14 36 61.1% 5 5 10 50.0% 5 2 7 71.4% 1 2 3 33.3% 2002 1 3 4 25.0% — — — — — — — — 0 1 1 0.0%
29 2005 20 17 37 54.1% 7 6 13 53.8% 1 3 4 25.0% 0 1 1 0.0% 2003 0 2 2 0.0% 0 3 3 0.0% — — — — — — — —
30 2006 22 18 40 55.0% 1 3 4 25.0% 5 3 8 62.5% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
31 2007 10 15 25 40.0% 3 2 5 60.0% 2 3 5 40.0% 2 1 3 66.7% — — — — — — — — — — — — — — — — —
32 2008 20 15 35 57.1% 4 5 9 44.4% 2 2 4 50.0% — — — — — — — — — — — — — — — — — — — — —
33 2009 7 13 20 35.0% 0 4 4 0.0% 2 2 4 50.0% — — — — — — — — — — — — — — — — — — — — —
Career — 280 216 496 56.5% 59 67 126 46.8% 38 39 77 49.4% 39 44 83 47.0% — 70 67 137 51.1% 62 64 126 49.2% 7 14 21 33.3% 8 18 26 30.8%

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 170/347 of Ai Sugiyama's and 1/5 of Joannette Kruger'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 Ai Sugiyama Joannette Kruger
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 2003 12/69 0.8 5.8 60.8% 64.3% 45.1% 53.4% 43.3% 56.6% 48.3% — —/— — — — — — — — — —
28 2004 11/56 1.2 4.5 60.8% 64.1% 45.3% 64.6% 47.8% 56.5% 48.7% — —/— — — — — — — — — —
29 2005 7/55 1.4 5.0 65.8% 58.7% 40.3% 46.6% 51.4% 53.1% 42.6% 2003 1/5 0.0 5.0 68.1% 40.6% 13.3% 33.3% 75.0% 31.9% 45.8%
30 2006 37/53 1.3 3.7 67.8% 60.4% 43.2% 56.7% 47.8% 54.8% 44.7% — —/— — — — — — — — — —
31 2007 36/38 1.2 5.6 62.8% 58.7% 42.4% 52.3% 50.3% 52.7% 47.1% — —/— — — — — — — — — —
32 2008 41/48 0.9 5.3 63.3% 60.9% 43.5% 52.1% 43.6% 54.4% 45.4% — —/— — — — — — — — — —
33 2009 26/28 0.8 4.9 65.4% 58.3% 42.7% 43.8% 45.1% 52.8% 41.1% — —/— — — — — — — — — —
Career — 170/782 1.1 4.9 64.3% 60.3% 43.2% 52.6% 46.7% 54.1% 45.2% — 1/310 0.0 5.0 68.1% 40.6% 13.3% 33.3% 75.0% 31.9% 45.8%

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 Ai Sugiyama Joannette Kruger
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 1478 102.6 — — — — +34 — — 30.8% -1.31 1–2 (33%) 0–2 — +0.31 — — — — — — — — — — — — — — — —
17 1993 1487 125.5 — — — — +44 — — 37.0% -0.89 1–4 (20%) — — -0.26 — — — — — — — — — — — — — — — —
18 1994 1557 120.7 — — — — +41 — — 47.8% +0.13 4–4 (50%) 1–2 (33%) — +1.49 1992 1508 108.6 — — — — — +78 — 41.7% -1.00 1–1 1–1 — 0.00
19 1995 1665 135.9 — — — — -9 -11 — 49.3% +0.23 4–7 (36%) 3–0 (100%) 101.9 +0.28 1993 1576 111.5 — — — — -64 +57 +8 38.5% -0.98 6–2 (75%) 2–4 (33%) 103.1 -0.32
20 1996 1751 143.7 — — — — -8 -156 -152 54.3% +0.29 5–5 (50%) 3–3 (50%) 99.1 +0.30 1994 1640 139.3 — — — — -110 +86 -11 44.1% -0.47 4–6 (40%) 2–2 (50%) 100.9 -0.48
21 1997 1837 150.1 — — — — +27 -234 -204 51.5% 0.00 14–8 (64%) 11–8 (58%) 106.9 -1.35 1995 1726 133.4 — — — — -64 +26 — 54.5% +0.18 5–4 (56%) 6–5 (55%) 101.5 +0.79
22 1998 1862 153.1 — — — — +57 -206 -239 60.3% +0.68 12–5 (71%) 9–4 (69%) 107.7 +0.41 1996 1625 111.8 — — — — -5 +66 — 36.6% -1.34 4–1 (80%) 2–1 (67%) 103.7 -0.38
23 1999 1808 151.0 — — — — +46 -168 -203 53.0% +0.21 8–7 (53%) 4–4 (50%) 99.6 -1.12 1997 1786 143.0 — — — — -78 +29 — 53.0% +0.10 11–3 (79%) 6–4 (60%) 109.9 -0.97
24 2000 1679 137.5 — — — — +24 +5 -92 46.1% -0.54 5–7 (42%) 7–5 (58%) 99.7 -0.80 1998 1714 137.8 — — — — +52 +7 — 50.0% -0.24 9–5 (64%) 4–6 (40%) 101.8 +0.70
25 2001 1719 138.7 — — — — +19 -57 -121 53.7% +0.17 10–11 (48%) 6–2 (75%) 102.9 -0.48 1999 1647 113.5 — — — — +68 +11 — 39.6% -0.53 6–3 (67%) 4–3 (57%) 102.5 -0.09
26 2002 1755 141.6 — — — — +15 -109 -67 56.1% +0.32 9–8 (53%) 8–6 (57%) 100.6 -0.40 2000 1658 124.8 — — — — +24 -4 — 50.0% -0.01 6–8 (43%) 6–5 (55%) 97.1 -0.73
27 2003 1915 154.1 +1.48 +3.41 1.113 52.2% -8 -157 -164 58.3% +0.63 22–10 (69%) 7–7 (50%) 105.4 +1.81 2001 1644 115.3 — — — — +38 -79 -127 44.1% -0.64 11–5 (69%) 6–7 (46%) 102.1 +0.58
28 2004 1808 144.1 +0.61 +2.40 1.121 52.5% -4 -67 +28 57.5% +0.58 8–7 (53%) 4–8 (33%) 97.4 +2.38 2002 1591 105.0 — — — — +36 — — 30.8% -1.23 1–2 (33%) 0–2 — -0.01
29 2005 1742 133.4 -1.10 -0.52 0.908 47.7% +17 -41 -12 51.1% +0.11 11–16 (41%) 6–4 (60%) 94.4 +2.95 2003 1532 103.1 -1.38 +1.09 0.673 38.9% — -5 — 16.7% -2.50 0–2 — — -0.40
30 2006 1744 138.5 -0.78 +0.79 0.988 49.8% +9 -91 +46 50.8% +0.14 10–8 (56%) 2–14 (13%) 94.4 +0.98 — — — — — — — — — — — — — — — —
31 2007 1633 125.5 -2.23 +2.56 0.996 50.0% -7 +43 +130 47.3% -0.13 8–9 (47%) 5–4 (56%) 98.7 +1.74 — — — — — — — — — — — — — — — —
32 2008 1713 136.4 -0.29 +1.82 0.995 49.6% +26 -71 +32 48.5% -0.19 8–5 (62%) 5–5 (50%) 105.2 +0.32 — — — — — — — — — — — — — — — —
33 2009 1627 135.9 -1.68 -1.34 0.871 46.9% +43 -37 +108 35.6% -0.86 2–5 (29%) 4–3 (57%) 100.4 -0.98 — — — — — — — — — — — — — — — —
Career — 1952 148.1 -0.87 +1.32 0.986 49.6% +18 -90 -55 52.1% +0.15 142–128 (53%) 85–81 (51%) 103.0 +0.97 — 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

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.