H2H data updated: 2026-07-19 14:15 UTC

Samantha Stosur vs Ai Sugiyama H2H: 2-3

Ai Sugiyama holds a 3–2 lead over Samantha Stosur in their WTA head-to-head. Across 5 main-draw meetings, Ai Sugiyama leads 3–2 on hard courts. Most recently, Samantha Stosur won the 2009 US Open first round 6-4 4-6 6-4.

AUS Age 42 Right-Handed 175 cm / 5'9"
H2H
2 3
5 main draw meetings
JPN Age 51 Right-Handed 163 cm / 5'4"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Sep 2, 2009* US Open Grand Slam R128 Hard Samantha Stosur #15 6-4 4-6 6-4 Ai Sugiyama #71 Match data
Jan 8, 2009* Brisbane WTA 500 R32 Hard Samantha Stosur #51 6-2 6-3 Ai Sugiyama #29 Match data
Jul 28, 2005* Stanford WTA 500 R32 Hard Ai Sugiyama #33 7-6(10) 6-2 Samantha Stosur #52 Match data
Feb 24, 2005* Doha WTA 500 R32 Hard Ai Sugiyama #21 6-2 6-3 Samantha Stosur #46 Match data
Jan 10, 2004* Gold Coast WTA 250 SF Hard Ai Sugiyama #10 7-5 3-6 6-3 Samantha Stosur #163 Match data

* Estimated match date where the exact historical date is unavailable.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 Finals 500 250 Titles
Samantha Stosur #531 #4 6,195 2,068 451 335 57.4% 1 0 0 4 4 9
Ai Sugiyama #97 #8 2,400 1,951 411 362 53.2% 0 0 0 4 2 6

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 Samantha Stosur Ai Sugiyama
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1992 1–4 20.0% #184 1,477 0 0
17 1993 3–8 27.3% #145 1,487 0 0
18 2002 0–2 0.0% #245 1,475 0 0 1994 9–11 45.0% #72 1,557 0 0
19 2003 2–4 33.3% #163 1,492 0 0 1995 16–17 48.5% #46 1,691 0 0
20 2004 17–16 51.5% #65 1,609 0 0 1996 22–18 55.0% #28 1,738 0 0
21 2005 18–22 45.0% #46 1,607 0 0 1997 31–25 55.4% #21 1,833 0 1
22 2006 29–24 54.7% #29 1,749 0 0 1998 37–21 63.8% #18 1,859 0 3
23 2007 15–15 50.0% #46 1,723 0 0 1999 27–23 54.0% #24 1,806 0 3
24 2008 17–11 60.7% #52 1,746 0 0 2000 20–24 45.5% #32 1,687 0 3
25 2009 38–20 65.5% #13 1,885 0 1 2001 28–25 52.8% #30 1,720 0 3
26 2010 43–19 69.4% #6 1,927 0 2 2002 35–26 57.4% #24 1,755 0 3
27 2011 46–21 68.7% #6 1,977 1 3 2003 44–25 63.8% #10 1,915 0 5
28 2012 40–23 63.5% #9 1,883 1 3 2004 30–22 57.7% #17 1,802 0 6
29 2013 40–22 64.5% #18 1,902 1 5 2005 28–27 50.9% #29 1,742 0 6
30 2014 32–22 59.3% #22 1,883 1 6 2006 28–25 52.8% #26 1,742 0 6
31 2015 34–22 60.7% #27 1,789 1 8 2007 17–21 44.7% #38 1,632 0 6
32 2016 24–19 55.8% #21 1,716 1 8 2008 26–21 55.3% #31 1,742 0 6
33 2017 22–19 53.7% #41 1,734 1 9 2009 9–19 32.1% #97 1,647 0 6
34 2018 17–23 42.5% #74 1,663 1 9
35 2019 14–16 46.7% #99 1,631 1 9
36 2020 1–3 25.0% #112 1,607 1 9
37 2021 1–9 10.0% #382 1,522 1 9
38 2022 1–3 25.0% #529 1,511 1 9