Yanina Wickmayer Pictures
HONOLULU, HI - DECEMBER 28: Yanina Wickmayer of Belgium high-fives Sam Querrey of the Unites States during a mixed-doubles exhibition match against Danielle Collins of the United States and Christian Harrison of the United States at the Hawaii Tennis Open at the Stan Sheriff Center on December 28, 2019 in Honolulu, Hawaii. (Photo by Darryl Oumi/Getty Images)