Australian star Alex de Minaur forms one half of a tennis power couple with his partner Katie Boulter.
The duo have both enjoyed a rise up the rankings in 2024 and will look for more success this season.
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 fiancée
Boulter is a 28-year-old tennis player from England, with a career-high ranking of 23 achieved in November 2024.
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.
Her Australian Open 2025 campaign ended with a surprise defeat to Veronika Kudermetova in the second round.
When did Boulter and De Minaur start their relationship?
Boulter and de Minaur's relationship became public in March 2022.
With Boulter on the WTA Tour and De Minaur on the ATP Tour, tennis often takes the pair away from each other.
However, Boulter and de Minaur teamed up to play mixed doubles at Wimbledon 2023, winning their first match but losing their second.
The duo avoided playing each other in mixed doubles at this year's United Cup with Australia using a specialist doubles pairing.
Katie Boulter ranking
Boulter is currently the world No. 25 in women's singles.
Katie Boulter prize money
According to the official WTA website, Boulter has taken home US$3,112,382 in tournament winnings.
That sum includes prize money from both singles and doubles events.