Tennis' ultimate poster couple are still going strong after 10 years of marriage since reportedly getting together at the champions' ball after both won the French Open in 1999. They have two children and still play the odd charity match, but rarely battle each other. As their website reveals: "Andre says his problem playing Steffi is not watching the ball."
Roger and Mirka Federer —
Roger Federer met Mirka Vavrinec at the Sydney Olympics in 2000 when they both represented Switzerland. Mirka says her husband's glittering career has eased her pain after injury forced her retirement in 2002. Of his wife, Roger told the Telegraph newspaper: "I developed faster, grew faster with her. I owe her a lot."
Caroline Wozniacki and Rory McIlroy —
She is the former world No. 1 waiting to land her first major title -- he's the baby-faced golfer whose capitulation at the 2011 Masters, and subsequent victory at the U.S. Open, entranced the sport. Together since September last year, Denmark's Wozniacki and McIlroy, from Northern Ireland, go by the moniker of "Wozilroy" and say they lean on each other's experiences to help their sporting performance.
Ana Ivanovic and Adam Scott —
World No. 8 Adam Scott's appearance at last month's Australian Open confirmed that another powerful golf and tennis combo are back on the scene. They split in 2010, but 2008 French Open champion Ivanovic told Australian newspaper the Herald Sun: "Sometimes you need time apart to figure things out."
Lleyton Hewitt and Kim Clijsters —
Hewitt and Clijsters, both former world No. 1s, met at the Australian Open in 2000, reportedly after Kim's sister Elkie asked her to get Lleyton's autograph. They announced their engagement in 2003 but split in October 2004. Both decried the "malicious gossip" that followed their separation.
Chris Evert and Jimmy Connors —
Chris Evert's romance with Jimmy Connors was one that captivated the sporting world after they both won Wimbledon singles titles in 1974, but a planned wedding in November that year was called off. Tennis writer Peter Bodo famously said of the couple: "It was a match made in heaven, not on Earth, which is probably why it didn't last."
Anna Kournikova and Enrique Iglesias —
The courtship of former world No. 8 Kournikova and pop star Iglesias was the very definition of a high-profile romance when they started dating in 2001. The Russian appeared in the video for Iglesias' song "Escape," causing a media frenzy. They are still together, 10 years on.
Sue Barker and Cliff Richard —
British pop star Cliff Richard revealed in his 2008 autobiography "My Life, My Way" that he nearly asked 1976 French Open winner Sue Barker -- now a TV presenter -- to marry him in 1982. The couple's relationship attracted much press attention. "I seriously contemplated asking Sue to marry me," he wrote. "But in the end I realized that I didn't love her quite enough to commit the rest of my life to her."
Tomas Berdych and Lucie Safarova —
They grew up in the same town and were instantly dubbed the "Czech mates" when they started dating in 2003. But they split in 2011, with Czech model Ester Satorova seen watching world No. 7 Berdych at November's season-ending ATP World Tour Finals in London.
Chris Evert and John Lloyd —
After her split with Connors in 1974, 18-time grand slam winner Evert married British tennis pro John Lloyd in 1979, the same year he reached the Australian Open final. Evert's alleged affair with late British pop star Adam Faith threatened to derail their marriage. They reconciled, but then divorced in 1987.
Martina Hingis and Radek Stepanek —
Former women's No. 1 Hingis became engaged to Stepanek in 2006 but a year later the couple announced through the ATP Tour they had split. Hingis, who won five grand slam titles, retired in 2007 after testing positive for cocaine during Wimbledon. Stepanek married fellow Czech Nicole Vaidisova in July 2010.
Chris Evert and Greg Norman —
A third entry to the list for Evert, whose romance and susbsequent marriage to Australian golfer Greg Norman -- known as the "The Great White Shark" -- captured headlines in 1998. Evert even caddied for the two-time British Open winner at the Masters during a par-three tournament. The couple split 15 months after their wedding.
Andy Roddick and Brooklyn Decker —
Former world No. 1 Andy Roddick famously began dating Brooklyn Decker in 2007 after asking his agent to track down a phone number for the Sports Illustrated model. They were married in 2009 at a ceremony that included Agassi and Graf as guests.
Maria Sharapova and Sasha Vujacic —
The romance between Russian tennis ace Sharapova and Slovenian basketballer Vujacic blossomed in 2009 before their engagement was announced in October the following year. The former L.A. Lakers star can often be seen courtside, cheering the three-time grand slam winner on at major tournaments. He now plys his trade in Turkey.
Andre Agassi and Brooke Shields —
Before Agassi teamed up with Graf, he married actress Brooke Shields in 1997 after a four-year courtship. Agassi, winner of three grand slam titles by then, and Shields, star of TV sitcom "Suddenly Susan," were a box office hit but split after less than two years of marriage in 1999.