The 22-year-old Sharapova won her fifth consecutive match in straight sets, claiming her first title since triumphing in Tokyo in October last year as she continues her rehabilitation from long-term shoulder problems.
CNN: Venus defends Dubai crown to move up all-time titles ladder
Jetlagged on his arrival from Abu Dhabi, he suffered a scare when a crowd barrier collapsed on him during his opening match, a straight sets win over Seppi.
That tie is nicely poised after Croatian No.1 Marin Cilic beat David Nalbandian 5-7 6-4 4-6 7-6 6-3 before Juan Martin del Potro hit back leveling the match with a straight sets victory over Ivo Karlovic 6-2 7-6 6-1.
Kvitova's win sets up a match against another French opponent, Marion Bartoli.
The Russian fourth seed's last match was a humiliating straight sets loss to veteran Italian Davide Sanguinetti at the Miami Masters in March.
Berdych took the first set comfortably enough 6-1, before Monaco, cheered on by home support, stormed back into the match winning the next two sets 6-4 6-1.
If the match is tied after three sets, then a single-arrow shoot-off will determine the winner - the archer who shoots the arrow closest to the centre advances.
The last match was Davenport's straight sets triumph in the final of this year's Australian Open, and Hingis is keen for revenge.
Nadal won in three sets after saving three match points, but the contest lasted more than four hours and was so taxing that it wrecked both men for Paris.
"It was a very tough match and after losing the first two sets it was the best comeback of my career, " said Verdasco.
Tsonga tested Federer in the tournament's opening match on Sunday before losing in three sets to the defending champion, who is seeking to win a record sixth title.
Meanwhile, on the WTA Tour, China's Li Na reached the quarterfinals of the Stuttgart tournament with a straight sets win in her first match of the clay court season.
The result allowed the Aussies to bounce back from the defeat to New Zealand last week and sets them up for their match against England next Saturday at Twickenham.
The Belgian ace had beaten Slovakian Magdalena Rybarikova in straight sets in her opening round match, but found Dulko a tougher test and slipped to a 6-2 1-6 6-4 defeat.
Sharapova was pushed to three sets for the third straight match in Stuttgart and missed a chance to serve out the match in the ninth game after taking a 5-3 lead.
"You're really focused on the match and really want to finish in two sets, then suddenly the lights go off, " the 23-year-old said.
Sharapova lost the first set 6-4 but then dropped only three games in taking the next two sets to earn a last eight match with Urszula Radwanska.
This visibility allows them to match labor capacity, labor productivity and skill sets to demand, reallocating labor resources as necessary to meet deadlines, maintain customer satisfaction, and maximize profitability.
FORBES: Work Smarter: How Big Data Can Boost Labor Performance
Murray went through with a four-set win over Robert Kendrick - while Baltacha , who reached the third round in 2002, beat Ukraine's Alona Bondarenko in three sets in a late-night match.
In September, he suffered arguably his most painful defeat of the year when, after being two sets up and serving for the match, he lost to Todd Martin in the fourth round of the US Open.
But Davydenko had recovered from his opening match defeat to Djokovic by crushing Nadal in straight sets on Wednesday.
In that 2003 U.S. Open, he was down two sets to love and fought off a match point in a five set semifinal against David Nalbandian.
FORBES: Andy Roddick Announces Retirement at U.S. Open, but Who's America's Next Tennis Champion?
Austra fought back against Kazakhstan in Astana on Saturday with Julian Knowle and Alexander Peya winning their doubles match against Andrey Golubev and Yuriy Schukin in straight sets 7-6 6-3 7-6.
Nadal will play Stanislas Wawrinka in the quarterfinals after the Swiss beat Frenchman Richard Gasquet in a thrilling match, with the ninth seed rallying from two sets down to win 6-7 4-6 6-4 7-5 8-6.
The top seed looked set to cruise through after taking the opening set, but Gulbis fought back in the next two sets and, despite wasting six previous match points, the world number 40 eventually went through 2-6 6-1 7-5 in a match littered with unforced errors.
Argentina, who were runners-up to Spain last year, looked on course for a 2-0 lead heading into Saturday's doubles when Juan Monaco took a two sets to one lead in the other singles match against Tomas Berdych.
Tomas Berdych set up a third-round match with Verdasco after beating Richard Gasquet of France in straight sets.
The Argentine now also has one win and a defeat ahead of his final match against Federer, but has the advantage over Ferrer in sets and games won.
CNN: Champion Federer floors Ferrer to reach semis at ATP finals
When I was two sets down, I believed I could win the match, and I think that's the only positive I can really pick up from today's match.
WSJ: Novak Djokovic Survives Scare; Belgian Gets Props From Federer
应用推荐