"Sometimes at the end of the season, people are looking at other people, at other results, but it's not my case," she said Tuesday. "Now it all depends on me. I think it's much better."
Moscow results to decide final WTA Finals spot →
"If you play against a friend it's always difficult," Suarez Navarro said. "In the second set I was really solid."
Suarez Navarro reaches Linz quarters, Muguruza wins opener →