10 Alexander Zverev of Germany defeated unseeded Pavel Kotov of Russia 7-6 (5), 4-6, 6-1 on Saturday to advance to the quarterfinals of the Chengdu Open in Chengdu, China. 2 seed Lorenzo Musetti of Italy also advanced by defeating Australia's Philip Sekulic 7-6 (3), 6-7 (4), 6-0. Other winners included Grigor Dimitrov (6-3, 6-4 vs. Juan Pablo Varillas), Arthur Rinderknech (7-6 (2), 6-4 vs. Marcos Giron) and Miomir Kecmanovic (6-2, 6-4 vs. Corentin Moutet). Zhuhai ChampionshipsGreat Britain's Cameron Norrie topped Australia's Marc Polmans 6-0, 6-3 to reach the Zhuhai Championships quarterfinals. 17 in the ATP and seeded second in the tournament, Norrie coasted in 77 minutes by recording five aces and converting 75 percent (33 of 44) on service points.

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Persons: Alexander Zverev, Pavel Kotov, Zverev, Lorenzo Musetti, Australia's Philip Sekulic, Grigor Dimitrov, Juan Pablo Varillas, Arthur Rinderknech, Marcos Giron, Miomir, Britain's Cameron Norrie, Marc Polmans, Norrie coasted, Sebastian Korda, France's Alexandre Muller, Tomas Martin Etcheverry, Dalibor, Russia's Aslan Karatsev, Andy Murray Organizations: Chengdu, Zhuhai, ATP, Thomson Locations: Russia, Chengdu, China, Italy, Zhuhai, Argentina, Czech