When the ball whizzed past Serena Williams for an ace late in Sunday's match, the subdued crowd suddenly erupted with a roar.
Williams said she was tempted to join the applause. Everyone wanted to see her underage, underdog opponent do better.
Fifteen-year-old Californian CiCi Bellis lasted only 41 minutes against Williams, losing 6-1, 6-1 in the third round at the Miami Open.