Unlike his top rival Jannik Sinner – who conceded just 17 games to his opponents in the first three rounds of Wimbledon and did not lose a single set – Carlos Alcaraz has not had a perfect run so far and has had to struggle more than expected to enter the second week.

As well as Jannik Sinner is playing at Wimbledon, he doesn't appear to need much in the way of help. Still, he got some Saturday when his opponent, Pedro Martinez, was dealing with a problematic shoulder and often put in first serves at so-so speeds.