Safina , who has not won a grand slam , returned to the top of the rankings when she replaced Serena Williams as the No 1 .
If results go her way in the desert she will also end the year at the top of the list .
Safina , who has not won a grand slam , returned to the top of the rankings when she replaced Serena Williams as the No 1 , and if results go her way in the desert she will also end the year at the top of the list .