In 2015, Garbine Muguruza announced herself as one to watch when she reached the final of Wimbledon.
A year later, she was a Grand Slam champion, defeating Serena Williams in the French Open final in a rematch of their Wimbledon encounter.
After that shocking victory, Muguruza was unable to hit such heights, slumping through the rest of the season—and through the first half of 2017 as well.
That all changed at Wimbledon.