All her physical failings could well be a psychological weak spot that ends up driving her out of tennis.
More than 1,800 Thais and foreign tourists are confirmed to have died and the death toll is expected to climb.
The American doubles specialist ended French schoolgirl Tatiana Golovin's amazing Australian Open run with a crushing 6-2 6-0 win in the fourth round.
Ekaterina Makarova, who upset an injured Serena Williams in the fourth round of the 2012 Australian Open, completed a Melbourne Park sweep of the Williams sisters by eliminating Venus 2-6, 6-4, 6-4 to advance to the second round on Monday.
Venus Williams, who had advanced to the quarter-finals, pulled out of the China Open with a left knee injury
Serena and Venus Williams added another chapter to what the world number one claims to be greatest story in tennis when she outslugged her sister 6-2, 1-6, 6-3 on Tuesday to reach the semi-finals of the US Open.
Factbox on American Sloane Stephens, who beat compatriot Madison Keys 6-3 6-0 to win her first U.S. Open singles title on Saturday:
Venus Williams bravely fought off five match points to stun third seed Patty Schnyder 2-6, 7-6, 6-2 to enter the final in Stanford
Back strain forced Lindsay Davenport to pull out of her second round clash against Anna-Lena Groenefeld at Stanford
The Indian ace went down 3-6, 2-6 in the second round of the Stanford Classic women's singles tournament.
Russia closed in on a Fed Cup semi-final victory over the United States after Anastasia Myskina beat Venus Williams.
Top seeded Briton Andy Murray was knocked out of the Australian Open in the fourth round on Sunday, losing 7-5 5-7 6-2 6-4 to German world number 50 Mischa Zverev on Rod Laver Arena.
The former champion has withdrawn from the U.S. Open with a lingering stomach muscle injury.
Big-serving Canadian Milos Raonic fired 19 aces to topple Sam Querrey 6-4, 6-4 and set up a second-round clash with either Dan Evans or Russian 10th seed Andrey Rublev.
Martina Navratilova will have the chance to crown her remarkable career with Olympic gold in August.
A round-up of the important matches at Wimbledon on Friday.
The twice Wimbledon champion scored an easy victory over Katarina Srebotnik
Injury-hampered Venus Williams made a first-round exit at the Dubai Open on Monday.
She will meet Anastasia Myskina or Venus Williams who were playing their semi-final later on Saturday.
Venus Williams beat local favourite Kim Clijsters 6-2, 6-3 to reach the semi-finals of the Antwerp Diamond Games tournament.
Confident Venus Williams has her heart set on a glittering prize at this week's Antwerp Open.
Summary of sports events and persons who made news on Monday
47-year-old Martina Navratilova and Lisa Raymond were also picked in the U.S. team for their Fed Cup first-round tie against Slovenia.
The 26-year-old first reached the top last October but lost the spot 16 weeks later having not hoisted a Grand Slam trophy.