Yesterday, the 25-year-old edged past fast-hitting Latvian Jelena Ostapenko 7-6 (7-5), 6-1 in the finals of the Miami Masters that lasted for an hour and 31 minutes.
By claiming the prestigious Miami Open title for the first time, Stephens climbed up three places to the ninth spot, thus pushing down Petra Kvitova (10th), Angelique Kerber (11th) and Daria Kasatkina (12th) by one place each.
Ostapenko, on the other hand, retained her fifth spot in the latest rankings, the WTA reported.
Meanwhile, Romanian tennis star Simona Halep continues to remain at the top and maintains a comfortable lead of 1,350 points over Denmark's Caroline Wozniacki.
The latest WTA top 10 are as follows:
1. Simona Halep
2. Caroline Wozniacki
3. Garbine Muguruza
4. Elina Svitolina
6. Karolina Pliskova
7. Caroline Garcia
8. Venus Williams
10. Petra Kvitova. (ANI)