The world No. 9 hopes to be ready for the U.S. Open.
Keep up with all the action from the Western and Southern Open on Finals Sunday with the Tennis Now Live Blog
"(It will be) very strange (without Serena as No. 1), but I think Kerber deserves because she won a Grand Slam," Halep said.
No. 12 seed reaches first career Masters final.
"Sometimes there is like a fight. But I think that's fine. It's normal. It means that I'm there," Muguruza said.
A collection of photos from the Western and Southern Open, from photographer Christopher Levy.
The 30-year-old world No. 8 will fly back to Europe for tests.
