Davis Cup
U.S. dismisses Slovakia to join Germany in qualifying for Davis Cup Finals knockout stage
Mackenzie McDonald and Brandon Nakashima posted straight-set wins to seal their nation's latest group tie.
The American won, 6-4, 6-3, to get his nation on the board first in the group stage meeting.
This is McDonald's fourth consecutive victory over Nakashima on tour.
Momentum shifted in favor of the American following the second set tiebreak.