Caroline Wozniacki failed in her return to tennis following her high-profile break-up with golf star Rory McIlroy.
The 2009 US Open winner was knocked out in the first-round of the French Open by lowly-ranked outsider Yanina Wickmayer in three sets.
After a close opening set in which Wozniacki lost a tense tie-breaker, the world no.14 then looked to rally as she took the second to send the match into a decisive third set.
However, Wickmayer - who has never passed round-three at Roland Garros - secured a shock victory by strolling to a 6-2 third-set advantage.
Wozniacki also hit the headlines in the past week when McIlroy called off their near six-month long engagement, even after the invitations had been sent out by the couple.
The Danish beauty had claimed on her Twitter account that she was facing a "hard time" following the announcement and her performance in Paris certainly showed signs of a strain.
After the match, the 23-year-old said that she hopes to move on from her defeat.
"I don't really want to talk about my personal life. I hope that you all can understand that," she said in her first media appearance following her split.
"The only thing I really have to say is to thank everybody for their support and sweet messages. That's really nice.
"You know, what happens in my personal life, I just want to really keep that between my closest people around me. You know, I just have to move on."
Wozniacki's turmoil was in stark contrast to her former fiance's triumph. McIlroy looked like a new man when he strolled to glory at Wentworth's BMW PGA Championship tournament.
The 25-year-old golfer claimed it was his fault for the couple breaking-up, citing that the sending of invites made him realise he wasn't ready to be married.
Wozniacki must now be keen to match her ex-partner's success, and while she will not be able to improve upon her quarter-final finish at the French Open in 2010, the Dane will be hoping to surpass her previous Wimbledon-best fourth-round showing.
It's a busy time on the racquet-circuit at the moment and the dust will have barely settled from Roland Garros before the tennis world decend on SW19 in June.
One thing that Wozniacki will need to do in order to end her poor grass form is get back to fully fitness.
As well as her recent heart-break, the 23-year-old claimed that a troublesome knee problem was a small factor in her defeat the world no.64 Wickmayer.
"I need to sit down and think about how I can get my knee 100% ready," she told BBC Sport.
"I want to prepare for Wimbledon, which is a big tournament and a better surface for me."
Woznaicki's defeat was one of a number of first-round shocks over the last few days. Australian Open ladies champion and second seed Li Na was unable to launch a successful bid to copy her 2011 heroics at Roland Garros.
Meanwhile, in the gentleman's draw, Na's fellow Australian Open champion, Stanislas Wawrinka was humbled despite his good form in 2014.
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