For how many weeks has the athlete who defended her title in the 2007 Acura Classic-Singles been ranked world No 1 by the WTA?
2007 Acura Classic – Singles Maria Sharapova successfully defended her title, by defeating Patty Schnyder in the final.
2007 Serena Williams tennis season Serena Williams's 2007 tennis season officially began at the Moorilla Hobart International. Williams finished the year ranked world no. 7, finishing in the top 10 and reaching the quarterfinals of all slams for the first time in two years. She also won her 8th slam at the Australian Open.