Ranking history updated: 2026-05-30 21:14 UTC
Ai Sugiyama WTA Ranking History
Ai Sugiyama's WTA ranking history, with year-by-year summaries plus every available weekly rank, age and points snapshot.
Latest Rank
97
Latest date
Oct 12, 2009
Career high
8
Career-high date
Feb 9, 2004
Career-high points
2,400
Points-high date
Feb 9, 2004
Best year-end
10
Weeks at #1
0
Coverage: 936 distinct observed ranking weeks, Nov 4, 1991–Oct 12, 2009. Available-week totals may undercount careers where historical snapshots are missing. Weeks at No. 1 counts available snapshots.
Select a legend item to show or hide that series. Focus the chart and use the left and right arrow keys to inspect ranking snapshots.
| Season | Age | Start rank | Peak rank | End / latest | Change | Peak points |
|---|---|---|---|---|---|---|
| 2009 | 34 | #31 | #25 | #97 | -66 | 2,050 |
| 2008 | 33 | #38 | #28 | #31 | +7 | 975 |
| 2007 | 32 | #26 | #22 | #38 | -12 | 922 |
| 2006 | 31 | #29 | #19 | #26 | +3 | 994 |
| 2005 | 30 | #17 | #17 | #29 | -12 | 1,469 |
| 2004 | 29 | #10 | #8 | #17 | -7 | 2,400 |
| 2003 | 28 | #24 | #10 | #10 | +14 | 2,235 |
| 2002 | 27 | #30 | #19 | #24 | +6 | 1,291 |
| 2001 | 26 | #32 | #29 | #30 | +2 | 944 |
| 2000 | 25 | #24 | #18 | #32 | -8 | 1,320 |
| 1999 | 24 | #18 | #18 | #24 | -6 | 1,398 |
| 1998 | 23 | #24 | #15 | #18 | +6 | 1,671 |
| 1997 | 22 | #23 | #20 | #21 | +2 | 1,252 |
| 1996 | 21 | #44 | #22 | #28 | +16 | 814 |
| 1995 | 20 | #71 | #44 | #46 | +25 | 34 |
| 1994 | 19 | #145 | #72 | #72 | +73 | 21 |
| 1993 | 18 | #185 | #134 | #145 | +40 | 10 |
| 1992 | 17 | #582 | #179 | #184 | +398 | 5 |
| 1991 | 16 | #673 | #565 | #582 | +91 | 0 |