Garbine Muguruza took control early, lost the momentum and then held on at the end to beat
The 21-year-old Muguruza lost six games in a row in one stretch but regrouped to defeat Radwanska 6-2, 3-6, 6-3 on Thursday, becoming the first Spanish woman to advance to the
Muguruza dropped face-first onto the grass after hitting a swinging forehand volley for a winner on match point.
On the previous point, Radwanska held up her racket in the middle of the point to challenge a shot from Muguruza that landed near the baseline. The video replay showed the ball had caught the back of the line, giving the point to the Spaniard.
The second semifinal pitted five-time champion