Hewitt and Clijsters separated in October of 2004, and Clijsters revealed the break-up on her website.
Rumors focused on Hewitt's omnipresent parents as one of the primary reasons behind the split.
While Kirilenko knocked off former champion Maria Sharapova in the first round, Andreev couldn't pull off a similar upset and lost in the first round to Roger Federer.
Less than a year later, Hewitt was married to Australian actress Bec Cartwright with a child on the way.
When Sweden's Bjorn Borg met Romanian tennis player Mariana Simionescu in 1974, he was on-again and off-again with another tennis player, Helena Anliot.
Vavrinec started playing at the age of nine at the urging of Martina Navratilova, who sent a racquet to Vavrinec and arranged for her to have her first lesson.
Vavrinec moved up through the rankings to become one of the Top 100 by 2000 and earned a spot on Switzerland's Olympic team that year.
Roddick claimed the two were just "Tour buddies," but that didn't stop the speculation.
As young players in the Czech Republic, Lucie Safarova and Tomas Berdych would practice their tennis games together.It was at the Athens Games that she met Federer, and they started dating soon afterwards.An achilles tendon injury subsequently forced Vavrinec to retire from the sport. Nicole Vaidisova and Radek Stepanek shocked the tennis community by applying for a marriage license with the Manatee County Florida Clerk of Circuit Court on Dec. Over a year later, the two have denied any engagement but do appear to be dating.When Andre Agassi and Steffi Graf became surprise champions at the 1999 French Open, both were just recently coming off long relationships. Jimmy Connors and Chris Evert coupled up on and off the court, as the two occasionally played mixed doubles together.After a two-year marriage to Brooke Shields, Agassi's divorce had been finalized in April of that year, and Graf's seven-year relationship with German race car driver Michael Bartels had fizzled. Interest in the two peaked at Wimbledon at 1974, when both won the singles championships. They subsequently became re-engaged, but separated for good in 1976.Within months, both of their rankings had improved.