Paris - Surprise Indian Wells winner Naomi Osaka leaped 22 places in the world rankings released on Monday while Jelena Ostapenko burst into the top five for the first time.
Osaka, 20, moved from 44th spot to 22nd after defeating Daria Kasatkina 6-3, 6-2 in Sunday's final.
Ostapenko, also 20, moved up a place to fifth as Karolina Pliskova, beaten in the Indian Wells quarter-finals by Osaka, slipped to sixth.
Simona Halep retained top spot despite her elimination in the semi-finals in California.
Top 20 in the latest WTA Tour rankings:
1. Simona Halep (ROU) 8 290
2. Caroline Wozniacki (DEN) 7 430
3. Garbine Muguruza (ESP) 5 970
4. Elina Svitolina (UKR) 5 425
5. Jelena Ostapenko (LAT) 4 971
6. Karolina Pliskova (CZE) 4 905
7. Caroline Garcia (FRA) 4 625
8. Venus Williams (USA) 4 452
9. Petra Kvitova (CZE) 3 151
10. Angelique Kerber (GER) 3 150
11. Darya Kasatkina (RUS) 2 940
12. Sloane Stephens (USA) 2 938
13. Julia Goerges (GER) 2 910
14. Johanna Konta (GBR) 2 875
15. Madison Keys (USA) 2 593
16. Coco Vandeweghe (USA) 2 488
17. Anastasija Sevastova (LAT) 2 405
18. Magdalena Rybarikova (SVK) 2 395
19. Kristina Mladenovic (FRA) 2 280
20. Ashleigh Barty (AUS) 2 198
Selected:
22. Naomi Osaka (JPN) 2 105