U.S. National Indoor Championships Men's Tennis Update - Feb 19

The Racquet Club of Memphis, Memphis, Tennessee

Total Prize Money: $1,212,750

TUESDAY'S FIRST ROUND MATCHES

Denis Istomin def. John Isner (3), 6-4, 6-3
Sam Querrey (4) def. Alejandro Falla, 6-3, 6-3
Kei Nishikori (5) vs. Illya Marchenko
Igor Sijsling def. Jurgen Melzer, 6-4, 7-6 (7-3)
Michael Russell def. Alex Bogomolov Jr., 6-2, 6-4
Feliciano Lopez def. Benjamin Becker, 4-6, 6-3, 6-4
James Blake def. Florian Mayer, 4-6, 6-3, 6-2