1989 Australian Open Final: Steffi Graf Defeats Helena Suková to Begin Historic Grand Slam Season

Ramjack Media

28 January 2026

On January 28, 1989, Steffi Graf captured her sixth career Grand Slam singles title by defeating Helena Suková 6–4, 6–4 in the women’s final at the Australian Open in Melbourne. Already the dominant force in women’s tennis following her historic Golden Slam in 1988, Graf entered the tournament as the clear favorite and delivered another composed, clinical performance on the sport’s biggest stage. In this episode of Sports History Daily, we break down how Graf controlled the match with her powerful forehand, incredible footwork, and unmatched consistency, while Suková attempted to challenge her with an aggressive serve-and-volley style. Despite Suková’s strong effort, Graf’s late-set breaks proved decisive in both sets. More than just another championship, this victory launched one of the most dominant seasons in tennis history. Graf would go on to win all four Grand Slam tournaments in 1989, completing a second consecutive calendar-year Grand Slam — a feat unmatched in the sport. From the match itself to its lasting legacy, this episode explores how Steffi Graf’s 1989 Australian Open victory helped cement her place among the greatest athletes of all time.