Fifth-seeded Maria Sakkari beat Tatjana Maria 6-4, 7-6 (2) in the first match completed on the main show court in the first Grand Slam tournament of the year.
She said the experience was “weird ... in a good way.”
“I was a little bit stressed, opening the tournament on this wonderful court,” she said. “It’s a privilege to have my first match here.”
Tokyo Olympics gold medalist Belinda Bencic beat Kristina Mladenovic 6-4, 6-3, and 15th-seeded Elina Svitolina had a 6-1, 7-6 (4) win over Fiona Ferro in other early results.
Women’s defending champion Naomi Osaka was scheduled to play the second match on Rod Laver Arena, followed by Rafael Nadal.