Jannik Sinner dismantled Novak Djokovic on Friday to secure his spot in a second successive Wimbledon final. The Italian delivered a sublime performance on serve, and Serena Williams’ coach Rennae Stubbs opened up about one important factor that she believed led to his impressive performance.
Source: [Yahoo Sports](https://sports.yahoo.com/articles/don-t-great-being-lazy-025015212.html)