In a windy match between previous champions on Thursday, Alexander Zverev defeated third seed Daniil Medvedev 6-4 5-7 6-4 to advance to the Cincinnati Open quarterfinals.
Zverev beat Medvedev in two hours and 32 minutes despite having a 6-9 record against the Russian and losing all three of their previous encounters this year. He broke him three times and had six of eight break points.