Sinner makes net gains to storm past Brooksby and book place in Wimbledon last 16
Jannik Sinner won in straight sets against the American Jenson Brooksby while Daniil Medvedev had a surprise loss against Jan-Lennard Struff
Sinner battles past Borges as tough start to Wimbledon title defence continues
Defending champion Jannik Sinner admitted many aspects of his game need to improve after setting up a third-round clash with Jenson Brooksby at Wimbledon