Defending champion Coria faces Vik at Umag tennis Tuesday
UMAG, Croatia - Guillermo Coria could not take advantage of an open draw at the Studena Croatia Open.
The third seed and defending champion from Argentina was eliminated by Czech Robin Vik, 6-2, 6-3, on Tuesday in the first round of the $430,000 claycourt event.
Coria, who slipped to just 11-12 on the year, reached the semifinals last week at the Dutch Open before retiring from his match against eventual champion Novak Djokovic with a right shoulder injury.
Coria had been the highest seed remaining. Top seed David Ferrer pulled out of the event Tuesday after winning an exhausting final over Jose Acasuso at the Mercedes Cup in Stuttgart, Germany on Sunday. Second seed and fellow Spaniard Juan Carlos Ferrero lost in the first round to countryman Albert Portas on Monday.
Also upset was No. 6 Alberto Martin of Spain, who fell to Stanislas Wawrinka of Switzerland, 7-6 (7-3), 6-4. Wawrinka will meet Croatian wild card Marin Cilic in the second round.
Suddenly the top seed left, No. 4 Djokovic continued his hot play with a 6-3, 6-3 victory over Croatian wild card Luka Belic.
The only other seed in action, No. 5 Carlos Moya of Spain outlasted Czech Jiri Novak, 6-4, 6-7 (6-8), 7-6 (7-3), in a match that lasted more than 2 1/2 hours. The 1998 French Open champion will face German Simon Greul in the second round.
Italian lucky loser Stefano Galvani, who replaced Ferrer at the top of the draw, was routed by Argentine Carlos Berlocq, 6-2, 6-2. Berlocq next will play qualifier and countryman Juan-Pablo Guzman, who rallied past Spaniard Guillermo Garcia-Lopez, 4-6, 6-3, 6-4.
Vik awaits Argentine wild card Juan Martin Del Potro, who routed Raemon Sluiter of the Netherlands, 6-3, 6-2.
Ruben Ramirez Hidalgo set up a second-round matchup with No. 8 Filippo Volandri after beating fellow Spaniard Fernando Vicente, 5-7, 6-0, 6-1.
This story is from ESPN.com's automated news wire. Wire index