Nate Lammons is the 19th-ranked doubles player on the ATP Tour. He and his doubles partner, Jackson Withrow, made the semifinals of the US Open earlier this year.Nate played college tennis at SMU in Dallas, Texas where he still lives and trains with other professional doubles players like Austin Krajicek and Hans Hach. In this conversation, we discuss:Who's had the biggest influence on his doubles game?How Nate practices his serve - he has one of the best serves on the ATP doubles tour.Change...