Sport in Short: Tennis

ATP PRAGUE CLAY-COURT TOURNAMENT Quarter-finals: D Rikl (Cz) bt R Fromberg (Aus) 6-0 6-3; G Perez-Roldan (Arg) bt V Gabrichidze (Geor) 6-3 6-0; K Novacek (Cz) bt D Perez (Urug) 6-3 6-2. Semi-finals: Novacek bt Rikl 6-2 3-6 6-2; Davin bt Perez-Roldan 6-3 6-2.

LOS ANGELES WOMEN'S TOURNAMENT (Manhattan Beach) Quarter-final: A Sanchez Vicario (Sp) bt H Sukova (Cz) 2-6 6-3 6-2.

THRIFTWAY HARD-COURT CHAMPIONSHIPS (Mason, Ohio) Quarter-finals: S Edberg (Swe) bt J Grabb (US) 6-3 7-6; P Sampras (US) bt P Korda (Cz) 6-3 6-3; I Lendl (US) bt D Wheaton (US) 6-1 6-2; M Chang (US) bt J Yzaga (Peru) 6-3 6-1. Semi-final: Sampras bt Edberg 6- 2 6-3.