Maria Sharapova collected her 29th WTA title with a win in Germany that allowed her to keep close to No. 1 Serena Williams in the women's tennis rankings.
Maria Sharapova and Li Na, the event's top two seeds, reached the quarterfinals Thursday at the Porsche Tennis Grand Prix.
Serena Williams remains ranked No. 1 in women's tennis but a strong field at this week's WTA tournament in Germany looks to shake up the Top 10.
Petra Kvitova bested Sara Errani in a reverse singles match Sunday, keeping the Czech Republic alive in its Fed Cup semifinal series against Italy.
Italy took a 2-0 lead over the Czech Republic in the Fed Cup semifinals Saturday with singles victories by Sara Errani and Roberta Vinci.
The Slovak Republic notched two singles victories Saturday in the opening matches of their Fed Cup semifinals series against Russia.
Two-time defending Fed Cup champion Czech Republic placed Petra Kvitova in the key singles slots for this weekend's semifinal series against Italy.
Roberta Vinci last week improved to 8-1 in WTA tournament finals and reached a career milestone in the process.
Spurs' Ginobili to miss 3-4 weeks ... Williams No. 1; hot streak continues ... Waste problem at Sochi Olympic site denied ... Siem just outside Masters invitation ... Sports news from United Press International.
Serena Williams' win at the Sony Open in Miami, her ninth WTA title in the past year, tightened her hold on the No. 1 ranking in women's tennis.