Pakistan, July 5 -- In early third-round action at the All England Club, Japan's four-time Grand Slam champion Naomi Osaka lost in three sets to Russia's Anastasia Pavlyuchenkova, ranked 50th in the world.

Alcaraz was taken to five sets by Italy's Fabio Fognini in his opening match before dispatching Britain's Oliver Tarvet in straight sets.

The Spaniard is on a fearsome 20-match winning streak that has brought him titles at the Rome Masters, the French Open and Queen's Club. He is seeking to match Bjorn Borg, Pete Sampras, Roger Federer and Novak Djokovic in winning three Wimbledon crowns in a row. Alcaraz's third-round opponent on Friday is Jan-Lennard Struff, ranked 125th in the world, who at 35 is 12 years older than the Spaniard.

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