Maria Sharapova expressed mock disgust Saturday at the inaugural International Premier Tennis League tournament's beeping shot-clock, part of a novel experiment designed to speed up tennis and make it more fun to watch. The world number two likened the 20-second clock, which beeps loudly when players take too long winding up with their serve, to a bedside alarm clock. "I feel like pressing 'snooze' all the time," the Russian star said, giggling with reporters when asked what she disliked most about the new IPTL format. The reigning French Open champion and five-time Grand Slam singles winner ended her two-day stint in Manila on a losing note, both in the women's singles and in mixed doubles.