After Isner made his point, they decided to directly name the worst practice partner. Johnson and Querrey instantly named ...

Greensboro native John Isner was once a top-ten professional tennis player. He remains the only player to win the ...

John Isner, the highest-seeded U.S. player in the men's draw at No. 19, lost in five sets to Mischa Zverev at the Australian Open -- one of several American men to stumble Wednesday in Round 2.

Top seed John Isner will have the chance to defend his Atlanta Open title after beating counterpart Jack Sock 7-5 6-4 in the semi-finals.