Australian Open champion Naomi Osaka remains No.1 in the latest women's tennis world rankings, while Serena Williams is back in the top 10.
Japan's Osaka, with 6970 points, retains a comfortable advantage over Romanian Simona Halep who has moved up a place to second on 5537.
Former No.2 Petra Kvitova slips two spots to fourth in Monday's new WTA rankings.
The 23-time grand slam champion Williams gains one place from 11th to 10th at the expense of Denmark's Caroline Wozniacki who tumbles to 14th.
In the men's rankings, Novak Djokovic stays on top of a largely unchanged top 10, released on Monday by the ATP.
The Serb leads on 10,955 points, comfortably ahead of Spain's Rafael Nadal on 8320.
The only move in the top 10 is by Japan's Kei Nishikori who jumps Swiss great Roger Federer into sixth place.
Outside the top 20, Frenchman Gael Monfils rises 10 places to 23rd after Sunday's Rotterdam victory over Stan Wawrinka.
WTA TOP 10 AS OF FEBRUARY 18 (previous ranking in parenthesis):
* 1. (1) Naomi Osaka, Japan, 6970 points
* 2. (3) Simona Halep, Romania, 5537
* 3. (4) Sloane Stephens, USA, 5307
* 4. (2) Petra Kvitova, Czech Republic, 5120
* 5. (5) Karolina Pliskova, Czech Republic, 5055
* 6. (7) Elina Svitolina, Ukraine, 5020
* 7. (6) Angelique Kerber, Germany, 4960
* 8. (8) Kiki Bertens, Netherlands, 4885
* 9. (9) Aryna Sabalenka, Belarus, 3565
* 10. (11) Serena Williams, USA, 3406.
ATP TOP 10 AS AT 18/2/19 (previous ranking in parenthesis):
* 1. (1) Novak Djokovic, Serbia, 10,955 points
* 2. (2) Rafael Nadal, Spain, 8320
* 3. (3) Alexander Zverev, Germany, 6475
* 4. (4) Juan Martin del Potro, Argentina, 5060
* 5. (5) Kevin Anderson, South Africa, 4595
* 6. (7) Kei Nishikori, Japan, 4190
* 7. (6) Roger Federer, Switzerland, 4100
* 8. (8) Dominic Thiem, Austria, 3800
* 9. (9) John Isner, USA, 3225
* 10. (10) Marin Cilic, Croatia, 3140.
