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.

Top-ranked Jannik Sinner has moved into Wimbledon’s third round with a 6-1, 6-1, 6-3 victory over Aleksandar Vukic of Australia at Centre Court