Defending champion Jannik Sinner’s consecutive-sets streak has ended in the second round of the Australian Open.

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

World number one Jannik Sinner dropped a set for the first time in 14 matches on Thursday before surging back to keep his Australian Open title defence on track.

The following is a list of major men's tennis records held by Novak Djokovic, who is seeking a 25th Grand Slam title at the Australian Open: GRAND SLAMS * Most Grand Slam titles: 24 (Australian Open - 2008,

The tennis world saw the making of yet another history-making moment when Novak Djokovic overcame another record set by Roger Federer. The Serbian has now played the most Grand Slam singles matches. The Swiss held a record of playing 429 major singles matches up to the start of this year's Australian Open before Djokovic finally

January 17th will mark exactly 20 years since the 37-year-old played his first main draw match at a Grand Slam, doing so in Melbourne. Two decades on, we look back at Djokovic’s