Beijing :Serena Williams reclaimed her world No. 1 ranking with a 6-3, 6-2 victory over Russia's Ekaterina Makarova in the second round of the China Open on Tuesday.
Based on pre-tournament calculations, Williams moves to the top ranking by finishing better than current No. 1 Dinara Safina at the tournament. Safina lost to local wild card entrant Zhang Shuai in the second round on Monday.