Aryna Sabalenka has vowed to use her rivalry with Elena Rybakina as motivation to reclaim the world No 1 ranking after being overtaken by the Kazakh star.
Elena Rybakina crashed out of the China Open after suffering a shock 6-3, 4-6, 3-6 defeat against Alina Charaeva in Beijing.
Elena Rybakina took the mantle as the best player in women's tennis when she defeated outgoing world number one Aryna Sabalenka with a clinical 6-4, 5-7, 6-2 performance in the US Open final on Saturday.
Top seed Aryna Sabalenka was in fine form as she eased past Jessica Pegula in straight sets to book her place in the US Open final.
Elena Rybakina has become the world's number one-ranked women's tennis player for the first time in her career after battling past Qinwen Zheng to reach the US Open semi-finals.
Elena Rybakina has made no secret of her desire to become world No 1 after powering into the US Open quarter-finals without dropping a set.