7.40am
LONDON - Defending champion Serena Williams thrashed Spain's Magui Serna 6-4 6-0 to reach the Wimbledon fourth round on Sunday.
The American, seeking her third successive singles crown at the All England Club, started steadily but eventually her power and movement overwhelmed the 53-ranked Spaniard on Centre Court.
Williams barely broke sweat
Tennis: Serena destroys Serna to reach last 16
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