John Berkok

He's the second man born in 1999 or later to hit that number after Jannik Sinner, and the first Australian man born since Lleyton Hewitt to do it.

The 21-year-old, who's already won the other three majors, is only missing the Australian Open to complete his set.

The former No. 1 defeated Australia's Rinky Hijikata in straight sets in the first round of the ATP 250 event on Tuesday night.

The Armenian defeated the No. 12-ranked Spaniard, 6-3, 1-6, 6-2, in the second round of Brisbane on Tuesday.

It's the four-time Grand Slam champion and former world No. 1's first final since becoming a mom, too.

The WTA No. 3 and ATP No. 4 both won their singles matches to send the Americans into their second United Cup final.

The world No. 1 stormed past Mirra Andreeva in straight sets in the semifinals of the WTA 500 event on Saturday.

The 21-year-old, who’s already won the other three majors, is only missing the Australian Open to complete his set.

The world No. 3 has now won her last three matches in a row against Top 2 players—and all in straight sets, too.

Meanwhile, former No. 4 Kei Nishikori soars back into the Top 100 after reaching his first ATP final since 2019.