Paris - Elina Svitolina and Caroline Wozniacki both moved up a place in the WTA rankings released on Monday after reaching the final of the Rogers Cup in Toronto.
Ukraine's Svitolina, who won her fifth title on Sunday from five finals this season, is now fourth, one place ahead of Denmark's Wozniacki, who lost her sixth final in a row.
Former world number one Wozniacki did return to the top five for the first time since August 2015, though, with Wimbledon champion Garbine Muguruza dropping two places to sixth.
Czech Karolina Pliskova held onto the world No 1 spot ahead of this week's Cincinnati tournament, which she won last year.
1. Karolna Plskov (CZE) 6 640pts
2. Simona Halep (ROM) 6 150
3. Angelique Kerber (GER) 5 730
4. Elina Svitolina (UKR) 5 650 (+1)
5. Caroline Wozniacki (DEN) 5 340 (+1)
6. Garbie Muguruza (ESP) 5 310 (-2)
7. Johanna Konta (GBR) 4 665
8. Svetlana Kuznetsova (RUS) 4 410
9. Venus Williams (USA) 4 157
10. Agnieszka Radwanska (POL) 3 985
11. Dominika Cibulkov (SVK) 3 580
12. Jelena Ostapenko (LAT) 3 495
13. Kristina Mladenovic (FRA) 3 155
14. Petra Kvitov (CZE) 3 130
15. Serena Williams (USA) 2 810
16. Anastasija Sevastova (LAT) 2 270
17. Madison Keys (USA) 2 238
18. Elena Vesnina (RUS) 2 180
19. Caroline Garcia (FRA) 2 135 (+2)
20. Anastasia Pavlyuchenkova (RUS) 2 070 (-1)