No. 3- A. Zverev, 6'6" No. 4- Juan Martín del Potro, 6'6" No. 5- Kevin Anderson, 6'8" No. 7- Marin Cilic, 6'6" No. 10- John Isner, 6'10" Bigger is better... Can the smaller players change that?

Players like 5'7" Diego Schwartzman & 5'9" Damir Dzumhur are making their presences felt.