Paris - American Sloane Stephens' victory in Miami saw the 25-year-old break into the top 10 of the WTA rankings, to ninth, for the first time in her career on Monday.
Romania's Simona Halep (8 140 points) remains top of the pile with Denmark's Caroline Wozniacki trailing far behind in second (6 790).
Stephens' move up three places to ninth pushed Petra Kvitova (10th), Angelique Kerber (11th) and Daria Kasatkina (12th) down one place respectively.
Jelena Ostapenko, the beaten finalist in Miami, retained her top five spot.
Top 20 in the latest WTA Tour rankings:
1. Simona Halep (ROU) 8 140
2. Caroline Wozniacki (DEN) 6 790
3. Garbine Muguruza (ESP) 5 970
4. Elina Svitolina (UKR) 5 630
5. Jelena Ostapenko (LAT) 5 611
6. Karolina Pliskova (CZE) 4 730
7. Caroline Garcia (FRA) 4 625
8. Venus Williams (USA) 4 277
9. Sloane Stephens (USA) 3 938
10. Petra Kvitova (CZE) 3 271
11. Angelique Kerber (GER) 3 150
12. Daria Kasatkina (RUS) 2 940
13. Julia Grges (GER) 2 855
14. Madison Keys (USA) 2 538
15. Coco Vandeweghe (USA) 2 488
16. Anastasija Sevastova (LAT) 2 460
17. Magdalena Rybarikova (SVK) 2 350
18. Ashleigh Barty (AUS) 2 283
19. Kristina Mladenovic (FRA) 2 280
20. Elise Mertens (BEL) 2 200