Australian star Alex de Minaur forms one half of a tennis power couple with his partner Katie Boulter.
The duo have both made it safely through to the Australian Open second round with De Minaur outlasting Milos Raonic and Boulter defeating Yue Yuan.
While De Minaur has worked his way into the top 10, Boulter is more unknown in tennis circles.
The Sporting News explains everything you need to know about De Minaur and Boulter.
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Who is Katie Boulter? Alex de Minaur’s girlfriend
Boulter is a 27-year-old tennis player from England, with a career-high ranking of 50 achieved in September last year.
She first played Wimbledon qualifying in 2014 as a 17-year-old before reaching her first Grand Slam main draw at the All England Club in 2017.
In 2018, she won her first match at a major with victory against Veronica Cepede Royg at Wimbledon, before bowing out in the second round to Naomi Osaka.
Boulter has been on the rise in recent years, reaching the third round of her last three majors and winning a WTA title at the Canberra International in 2023.
At the United Cup 2024, Boulter earned the best win of her career as she downed world no.5 Jessica Pegula in three sets.
She got through her first round match at Australian Open 2024 with a straight sets win against China’s Yuan.
Boulter will meet the winner of 12th seed Qinwen Zheng and Ashlyn Krueger in the second round.