The Australian Open got underway Monday. The day also marked Roger Federer's first official match since Wimbledon in July following his recovery from injury.
It was as if Federer had never been away as the Swiss star beat Jurgen Melzer of Austria in four sets.
Britain's Andy Murray -- recently knighted and playing his first grand slam as world No. 1 -- was off to a winning start.
The Scot had to work hard for his straight-sets victory, overcoming Ukraine's Illya Marchenko 7-5, 7-6, 6-2. He faces 19-year-old Andrey Rublev in the second round.
Angelique Kerber, the female No. 1, also struggled against Ukrainian opposition. She eventually beat Lesia Tsurenko 6-2, 5-7, 6-2.
There was an early upset elsewhere in the women's draw, as No. 4 seed Simona Halep lost to Shelby Rogers of the US.
The unseeded American breezed past Halep 6-3, 6-1, setting up a second-round clash against Ashleigh Barty.
No. 5 seed Kei Nishikori -- who has never progressed past the quarterfinals of the Australian Open -- battled through to the second round in a five-set epic against Russia's Andrey Kuznetsov ...
... while Jo-Wilfried Tsonga, a previous finalist in Melbourne, beat Brazilian Thiago Monteiro in four sets: 6-1, 6-3, 6-7, 6-2.
Svetlana Kuznetsova cruised into the second round with a 6-0, 6-1 victory over Mariana Duque ...
... while Venus Williams, who turns 37 this year, edged out Ukraine's Kateryna Kozlova 7-6, 7-5.
Six-time champion Novak Djokovic begins his title defense with a tricky draw against Spain's Fernando Verdasco on Tuesday.
The city of Melbourne towers in the skyline behind Melbourne Park and the Rod Laver Arena -- the tournament's main show-court.