Australian Open semi-finalist Johanna Konta has jumped one place to a career-high 26th in the WTA world rankings.
The British number one plays in the Mexico Open first round on Monday in her first match since losing to Angelique Kerber in Melbourne.
Heather Watson has also climbed a place to 83rd while fellow Briton Naomi Broady has risen three places to 93rd.
Serena Williams remains top of the rankings and Kerber, who beat her in the Australian Open final, is second.
Poland's Agnieszka Radwanska has moved up to third with Romania's Simone Halep slipping one place to fourth.
David Ferrer's failure to reach the final of the Rio Open has seen his men's world ranking fall two places.
Kei Nishikori and Tomas Berdych moved ahead of Spain's Ferrer, who has dropped to eighth.
Australian Open champion Novak Djokovic is still the number one, with Britain's Andy Murray second.