As a storm swept across Melbourne Park, Olympic champion Zheng Qinwen made the most of indoor conditions under a roof at Rod Laver Arena to advance to the second round of the Australian Open with a straight-sets win over 20-year-old qualifier Anca Todoni.

In her first match on Melbourne Park’s main court since her loss in last year’s final, Zheng advanced 7-6 (7-3), 6-1 over 20-year-old qualifier Anca Todoni.

Olympic champion Zheng Qinwen overcame a sluggish start to blast into the Australian Open second round Sunday as storms caused havoc ahead of Aryna Sabalenka beginning her quest for a historic third consecutive crown.

Highlights of the first day of the Australian Open on Sunday (all times GMT): 0414 NO PLAY ON OUTSIDE COURTS BEFORE 0600 GMT Play on outer courts at Melbourne Park is not expected to resume before 0600 GMT due to rain.

Defending champion Jannik Sinner and 10-time Australian Open winner Novak Djokovic have landed in opposite sides of the draw for the season’s first major, ruling out a replay of last year’s semifinal encounter.

The draw of any Grand Slam builds a narrative, but some storylines are bigger than individual matchups. Here's what to watch in Melbourne

The top-ranked Sinner, who is the defending champion at Melbourne Park, and No. 3 Alcaraz are coming off a 2024 season in which they each won two Grand Slam titles.