BUCHAREST, Romania (AP) Sixth-seeded Viktor Troicki was knocked out of the Nastase Tiriac Trophy in the first round on Monday, losing 5-7, 6-3, 6-1 to Daniel Gimeno-Traver of Spain on the first day of the tournament.

Gimeno-Traver, who was runner-up in the Grand Prix Hassan II this month, earned his first win over the Serb in four meetings.

Also, Malek Jaziri won 75 percent of his first service points to defeat Florian Mayer 4-6, 6-4, 7-5 in just over two hours.

Borna Coric of Croatia also advanced by defeating Ukraine's Sergiy Stakhovsky 6-2, 6-7 (4), 7-6 (2).