Former French Open winner Garbine Muguruza warmed up for this month's clay-court Grand Slam at Roland Garros by easing into the second round of the Italian Open on Monday.

LONDON -- Garbine Muguruza knows she can beat Serena Williams on the big stage. After all, the Spaniard, then 20 years old, handed the now 20-time major champion her most lopsided loss ever at a ...