Serving for the match up 5 - 3 , Albert Ramos - Vinolas ' serve was initially called out .
Chair umpire Damiano Torella determined that it grazed the lines of play and awarded him the point .
Serving for the match up 5 - 3 , Albert Ramos - Vinolas ' serve was initially called out , but chair umpire Damiano Torella determined that it grazed the lines of play and awarded him the point .