The Swede steps up a ranking on the singles list, and is now ranked 43rd in the world. Peterson has taken her first two WTA titles this fall, in Chinese Tianjin and Nanchang respectively.
At the top, it remains unchanged with Australian Ashleigh Barty, followed by Czech Karolina Pliskova and Japanese Naomi Osaka. Swiss Belinda Bencic climbs three places to a seventh place, which makes her qualify for the tour final in Shenzhen, which starts on the 27th, where the eight best players make up.
Belgian Kiki Bertens goes out, which loses two places and now ranks ten on the world rankings.