At which Grand Slams did Mattek-Sands reach the fourth round in singles?
Wimbledon and French Open
Australian Open and US Open
US Open and Wimbledon
Australian Open and French Open
Answer
Mattek-Sands reached the fourth round in singles at the 2013 French Open and Wimbledon, defeating 2012 Wimbledon champion Petra Kvitová in the fourth round at Wimbledon.
Unraveling the Tennis Trailblazer: A Quiz on Bethanie Mattek-Sands