Defending champ Jannik Sinner drops set for first time since October, but rallies for win; American Danielle Collins plays villain while advancing.

Defending champion Jannik Sinner's consecutive-sets streak ended in the second round of the Australian Open on Thursday night, but he advanced with a 4-6, 6-4, 6-1, 6-3 victory over wild-card entry Tristan Schoolkate.

Jannik Sinner left the Australian Open fans in stitches as he talked through his pre and post-match routines at the Australian Open. The defending champion booked his spot in the second week, beating Marcos Giron 6-3 6-4 6-2 and spoke to Jim Courier during his on-court interview, where he was asked about his working hours on match day.

Australian Open top seed and defending champion Jannik Sinner beat Marcos Giron with the minimum of fuss at Rod Laver Arena on Saturday.

Jannik Sinner (No. 1 ranking) will take on Marcos Giron (No. 46) in the Round of 32 of the Australian Open on Friday, January 17.Sinner earned a four-set victory over Tristan Schoolkate (4-6, 6-4,

Jannik Sinner has started his Australian Open title defense with a challenging win over No. 35-ranked Nicolas Jarry.

When Carlos Alcaraz is on court for a training session, perhaps working on his newly revamped service motion, he’s doing so to buttress a game already good enough to claim four Grand Slam titles

Jannik Sinner will make his official debut in 2025 at the Australian Open tomorrow. The world number 1 will face the Chilean ace Nicolas Jarry in the first round, in a match that could hide some pitfalls. However, there is no doubt that the Italian champion is the top favorite to win at Melbourne Park this year and confirm the title won in 2024.

Italy's Jannik Sinner returns the ball to Netherlands' Tallon Griekspoor during the Davis Cup final tennis match between Netherlands and Italy at the Martin Carpena Sports Hall in Malaga, southern Spain, Sunday, Nov. 24, 2024. Credit: AP/Manu Fernandez

Ruthless defending champion Jannik Sinner was in the zone Saturday as he powered into the last 16 of the Australian Open with a straight-sets thrashing of American Marcos Giron. The American, who was bidding to reach the last 16 at a Grand Slam for the first time,

Alex de Minaur is through to the fourth-round of the Australian Open after a brilliant four-set win over Argentine 31st seed Francisco Cerundolo. Follow live.