BEIJING:
Alexander Zverev saw off Lorenzo Sonego 6-4, 6-3 with a dominant second set at the China Open on Friday as Coco Gauff launched her bid for a repeat crown.
World number three Zverev, the second seed in Beijing, next faces France's Corentin Moutet.
The German and Sonego went toe-to-toe for 50 minutes before Zverev converted a break to edge the 30-year-old Italian in the first set after a brief back-and-forth at the net.
A confident Zverev won four straight games in the second for a commanding 5-1 lead, and although 44th-ranked Sonego held on a little longer, the 28-year-old closed out the match on his first match point.
Also in action at the Beijing ATP 500 event, fan favourite Daniil Medvedev beat Cameron Norrie 6-3, 6-4.
Medvedev hit nine aces for a spot in the last 16, aven