"(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.
Top seed tops Tomic to extend winning streak to 21 matches.
The 2014 U.S. Open has the serve and is looking to add to his arsenal with new coach Jonas Bjorkman.