MELBOURNE, AUSTRALIA - JANUARY 18: Ryan Harrison (L) of the United States and Vasek Pospisil of Canada talk tactics in their first round men's doubles match against Rohan Bopanna of India and Edouard Roger-Vasselin on day four of the 2018 Australian Open at Melbourne Park on January 18, 2018 in Melbourne, Australia. (Photo by Jaimi Chisholm/Getty Images)
