NORCROSS, GA., JULY 25 -- The United States, led by Zina Garrison and Jennifer Capriati, advanced to the quarterfinals of the Federation Cup today.

Sixth-seeded Italy and eighth-seeded West Germany were upset, falling to Britain and the Netherlands, respectively, each by 2-1 scores.

The United States easily defeated Belgium to set up a quarterfinal meeting with seventh-seeded Czechoslovakia -- 2-1 winner over Australia -- in the women's version of the Davis Cup.

Garrison defeated Sabine Appelmans, 6-4, 6-1, and then teamed with Gigi Fernandez for a 6-1, 6-3 victory over Appelmans and Sandra Wasserman. Capriati defeated Wasserman, 6-0, 7-6 (13-11).

France advanced by defeating New Zealand, 3-0; Austria beat Japan, 2-1; Spain stopped Israel, 3-0; the Soviet Union beat Hong Kong, 3-0.

Canadian Open:

In the second round in Toronto, John McEnroe beat Grant Connell, 7-6 (7-4), 6-1, but not without throwing a tantrum. In the eighth game of the match, McEnroe got mad at himself for missing a volley. He took a full swing at the ball, accidentally sending it into the back of Connell's neck.

Four seeded players lost, the most prominent being No. 2 Brad Gilbert, who lost to Todd Witsken, 7-5, 4-6, 6-2. Top-seeded Andre Agassi earned a 6-3, 6-7 (5-7), 6-3 win over Michael Stich. Amos Mansdorf had an easy time with Jason Stoltenberg, 6-2, 6-2. Petr Korda fell, 5-7, 6-4, 6-4, to Jakob Hlasek. No. 10 Jim Grabb was losing by 4-1 in the first set to Jimmy Arias when he retired (strained hip flexor).