TENNIS ROUNDUP : Arias Beats Agenor to Advance to Meeting With Cherkasov

Fifth-seeded Jimmy Arias won an opening set tiebreaker and held on to beat fourth-seeded Ronald Agenor of Haiti, 7-6 (8-6), 6-3, Friday in the quarterfinals of the $200,000 U.S. Pro Championships at Brookline, Mass.

Arias and Agenor battled through 12 points of the tiebreaker before Arias hit two winning forehands to advance to the semifinals. Arias, who had complained Thursday of a painful right shoulder, and Agenor each held serve through seven games of the second set.

Arias, who won seven of the last eight points in the final two games against Agenor, will meet top-seeded Andrei Cherkasov of the Soviet Union, who beat eighth-seeded Jim Grabb, 6-3, 6-1.

In another quarterfinal match, seventh-seeded Andres Gomez of Ecuador beat Andrei Medvedev of the Soviet Union, 6-1, 6-7 (13-11), 6-3.

Sergi Bruguera and Emilio Sanchez of Spain and Karel Novacek of Czechoslovakia, the top three seeded players, won second-round matches in a $350,000 ATP tournament at Kitzbuehel, Austria.

Bruguera defeated Claudio Pistolesi of Italy, 3-6, 6-2, 6-1, in a match suspended from Thursday. Sanchez beat Eric Winogradsky of France, 7-6 (7-5), 6-4. Novacek defeated 13th-seeded Marian Vajda, also of Czechoslovakia, 6-1, 7-6 (7-4).

In the third round, Austria’s Horst Skoff defeated 11th-seeded Javier Sanchez Vicario, the younger brother of Emilio, 6-4, 6-3.

Defending champion and ninth-seeded Horacio de la Pena of Argentina trailed No. 7 Francisco Clavet of Spain, 4-6, before their third-round match was halted by rain.