Age
25
Country
USA
Residence
Lincoln, Nebraska
Turned Pro
2011
2016 Earnings
$1,479,984
It's the 14th-ranked American's third straight major in which he's lost his opener.
John Isner and Jack Sock teamed in Italy, as did Venus Williams and Madison Keys.
Three Americans are into the final four at the only ATP clay-court tournament in the U.S.
United States will play either Croatia or Kazakhstan in the semifinal tie.
The Americans will host Belgium on an indoor hard court in Nashville, Tennessee.
