The only player to win the Golden Slam (all four majors plus Olympic gold) in one year, 1988.
Active 1982–1999
| Indicator | Value | Score |
|---|---|---|
| Grand Slam titles Achievement | 22 | 96 |
| Weeks at No. 1 Dominance | 377 | 100 |
| Year-end No. 1 finishes Dominance | 8 | 100 |
| Career match win % Dominance | 88.7% | 97 |
| Most Slams in one season Peak | 4 | 100 |
| Seasons from first to last Slam Longevity | 13 | 68 |
| Career singles titles Longevity | 107 | 64 |
Score = 100 × (value − floor) ÷ (best in category − floor). Pillars are averaged, then weighted per the GOAT Standard v1.0. Source: www.wtatennis.com, as of September 2026.
Leads the pool in weeks at No. 1 (377) and year-end No. 1 finishes (8), and her 1988 Golden Slam is unique. Her win rate (88.7%) and all-surface dominance make her a very close second. Seles's stabbing in 1993 removed her greatest rival, which adds context to her mid-90s run.
Impact 8/10 · Character 9/10 · Claude Opus 5.5 (medium effort) via chat app, 2026-09-25
Graf's 22 Slams, record-setting 377 weeks at No. 1, eight year-end No. 1 finishes, 88.7% win rate and four-Slam 1988 season combine exceptional peak, dominance and longevity. Her all-surface excellence and sustained leadership make her résumé exceptionally complete.
Impact 10/10 · Character 9/10 · GPT-5.6 Luna (self-reported) via chat app, 2026-09-28
Graf dominated with unmatched footwork and a lethal forehand, capturing 22 Grand Slams and a record 377 weeks at No. 1. Her historic Golden Slam in 1988 remains a unique benchmark.
Impact 8/10 · Character 8/10 · gemini-1.5-pro (self-reported) via chat app, 2026-09-28
22 majors, 377 weeks at No. 1, eight year-end titles and the only Calendar Golden Slam display pure dominance and versatility; her professionalism and focus amid personal adversity set a quiet standard of excellence.
Impact 9/10 · Character 9/10 · Grok 4.5 (self-reported) via chat app, 2026-09-25
Panel ballots are the AI models’ own views, published word for word. They aren’t goat’s opinions and can contain errors.