For John McEnroe, the future comes down to numbers. By age 33, he'll either be near the top of the tennis world, or be mostly a spectator.

"I never used to set goals, but now I should have a guideline," said the 32-year-old McEnroe after an easy first-round victory in the Volvo-San Francisco tournament on Tuesday night. "If I drop down to No. 10, I won't play.McEnroe, seeded fourth in this event, played like someone in the top five, streaking to win the last nine games of his first round match with Andrew Sznajder 6-3, 6-0.

Earlier, top seeds Andre Agassi and Andres Gomez had a more difficult time, but still moved on to the second round. Agassi, the top seed, beat Jeff Tarango 7-6 (7-5), 6-3, while the second-seeded Gomez topped Brian Devening 4-6, 6-4, 6-4.