Tennis

Ninth-seeded Derrick Rostagno mixed power hitting with off-speed shots to beat Brian Garrow, 6-3, 6-4, to begin defense of his Volvo International title at New Haven, Conn.

Michael Chang, seeded 10th, stumbled in the second set but beat Mikael Pernfors, 6-3, 5-7, 6-2. Cristiano Caratti, seeded 12th, withdrew because of stomach cramps.