( CNN ) -- The life of a tennis professional is tough , but the rewards are plentiful -- and not just in a financial sense . The long trawl around the globe on both the men 's and women 's tours has often been a breeding ground for blossoming courtships , as lovestruck couples decide it is game , set and match while gazing at the figure on the opposite baseline . With Valentine 's Day upon us , CNN World Sport charts the 15 top romances involving the stars of tennis in the gallery above . If you disagree , or think we 've missed any out , let us know in the comments section below the story . Who could forget the enduring romance of Andre Agassi and Steffi Graf , both multiple grand slam winners , whose love was reputedly cemented at the 1999 French Open champions ' ball and is still going strong after 10 years of marriage ? One of the game 's greatest ever players , Roger Federer , met his wife Mirka when the pair represented Switzerland at the Sydney Olympics in 2000 . But it is not all happily ever after . Chris Evert , an 18-time grand slam champion , has served love games to two fellow professionals -- Jimmy Connors and John Lloyd -- only for cupid to return a double fault . Several high-profile recent relationships have proved the kinship between tennis and other sports too , especially golf . Golf star Rory McIlroy , who won the 2011 U.S. Open , is currently dating former tennis world No . 1 Caroline Wozniacki . The partnered pair refer to themselves as `` Wozilroy . '' Another golfer , Australia 's Adam Scott , has recently rekindled his romance with glamorous Serbian tennis star Ana Ivanovic , the 2008 French Open champion . Tennis has long been linked with showbiz , and high-profile names in the game have often mingled with stars of stage and screen . British pop crooner Cliff Richard 's relationship with 1976 French Open winner Sue Barker made waves in the early 1980s , while Agassi 's brief marriage to American actress Brooke Shields also attracted a deluge of headlines .
CNN World Sport selects the top 15 romances involving the stars of tennis . Rich history of tennis love-matches over the sport 's long history . Major champions Andre Agassi and Steffi Graf still together after 10 years of marriage . Caroline Wozniacki and Rory McIlroy -- known as `` Wozilroy '' -- recently started dating .