By The Numbers

2
Teenagers in the ATP's top 100: Argentina's Mariano Puerta, 19, is 61st, and Russia's Marat Safin, 18, is 74th.

5
Teenagers in the WTA's top 20: No. 1 Martina Hingis (age 17), No. 5 Venus Williams (18), No. 10 Patty Schnyder (19), No. 15 Anna Kournikova (17), No. 20 Serena Williams (16).

3
ATP Tour players with top 20 rankings in both singles and doubles.

10
WTA Tour players with top 20 rankings in both singles and doubles.

5
Defeats Martina Hingis suffered in 1997.

6
Defeats Hingis has suffered since mid-May.

7
Americans ranked ahead of former No, 1 Jim Courier (whose ranking is 68th): Pete Sampras (No. 2), Andre Agassi (8), Michael Chang (21), Todd Martin (28), Vince Spadea (42), Jan-Michael Gambill (59), and Jeff Tarango (60).

17-0
Sampras's career singles record against Italian players, one more reason for U.S. coach Tom Gullikson to cajole him into playing the Davis Cup semifinals against Italy next month.

88
Ranking of former UCLA player Justin Gimelstob, who, after upsetting Patrick Rafter at the ATP's stop in L.A. last month, proceeded to woof, "This is my house!"