DELRAY BEACH, Fla. (AP) -- Top-seeded John Isner was bounced from the Delray Beach International Tennis Championships on Saturday night, losing to South African Kevin Anderson in the semifinals.
The seventh-seeded Anderson advanced with a 7-5, 7-6 (4) win and next plays qualifier Marinko Matosevic of Australia for the title.
The 11th-ranked Isner lost his serve in the 11th game of the first set. He then double-faulted away the first point of the second set tiebreaker against the 36th-ranked Anderson.
Isner entered with a 9-1 record in tiebreakers this season.
The 173rd-ranked Matosevic beat Dudi Sela of Israel 5-7, 6-4, 7-6 (7) in the other semifinal.