Jannik Sinner and Daniil Medvedev qualified for the quarter-finals of the Masters 1000 tournament in Shanghai.

The Italian continues to advance in China after defeating the American 6-4, 7-6/7-1. His semi-final opponent will be Russia's Daniil Medvedev, who defeated Greece's Stefanos Tsitsipas 6-7/3-7, 3-6.