John Isner returns serve against Juan Martin Del Potro of Argentine during the men's single semifinal at the Miami Open tennis tournament at Crandon Park Tennis Center in Key Biscayne on March 30, 2018.
John Isner returns serve against Juan Martin Del Potro of Argentine during the men's single semifinal at the Miami Open tennis tournament at Crandon Park Tennis Center in Key Biscayne on March 30, 2018. Pedro Portal pportal@miamiherald.com
John Isner returns serve against Juan Martin Del Potro of Argentine during the men's single semifinal at the Miami Open tennis tournament at Crandon Park Tennis Center in Key Biscayne on March 30, 2018. Pedro Portal pportal@miamiherald.com