The Adelaide International is a hard-court ATP 500 / WTA 500 played at Memorial Drive in the opening week of January, one of the principal tune-ups before the Australian Open. Adelaide has hosted tour tennis for decades, but the current combined event dates to 2020, when Tennis Australia reworked the city's pre-Melbourne slot into a single men's-and-women's stop. For two seasons it ran as twin back-to-back weeks — "Adelaide International 1 and 2" — before consolidating back into a single edition, sharing the early-January Australian summer window with the Brisbane International and across the Tasman the ASB Classic.
What sets Adelaide apart is the slot rather than the surface. The medium-paced outdoor hard courts mirror Melbourne Park closely enough that the draw functions as a live Grand Slam rehearsal, and Memorial Drive's intimate stadium delivers it under the brutal South Australian summer heat that defines the swing. Players arrive needing matches, not minutes — which is why the field skews toward genuine contenders sharpening form rather than journeymen chasing points.
The honours board reflects that quality. Aryna Sabalenka won the 2023 title past a teenage Linda Noskova, 6-3, 7-6. Jelena Ostapenko took the 2024 edition over Daria Kasatkina, before Madison Keys edged Jessica Pegula in a 2025 three-setter, 6-3, 4-6, 6-1 — a January run Keys would parlay into the season's first major. Most recently, Mirra Andreeva lifted the trophy past Victoria Mboko, 6-3, 6-1.
The throughline is unmistakable: Adelaide keeps minting champions who go deep at the Australian Open weeks later, which is precisely the point of its place on the calendar.