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.
WTA rankings at April 2 (change in ranking in brackets):
1. Simona Halep (ROU) 8 140 pts
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 (+3)
10. Petra Kvitova (CZE) 3 271 (-1)
11. Angelique Kerber (GER) 3 150 (-1)
12. Daria Kasatkina (RUS) 2 940 (-1)
13. Julia Grges (GER) 2 855
14. Madison Keys (USA) 2 538 (+1)
15. Coco Vandeweghe (USA) 2 488 (+1)
16. Anastasija Sevastova (LAT) 2 460 (+1)
17. Magdalena Rybarikova (SVK) 2 350 (+1)
18. Ashleigh Barty (AUS) 2 283 (+2)
19. Kristina Mladenovic (FRA) 2 280
20. Elise Mertens (BEL) 2 200 (+1)
