Second-seeded Kei Nishikori of Japan eased into the Geneva Open quarterfinals, beating Mikhail Kukushkin of Kazakhstan 6-4, 6-3 on Tuesday.
Ranked No. 9, Nishikori took a wild card entry after a wrist injury affected his clay-court season and did not drop serve against the 88th-ranked Kukushkin.
Nishikori clinched the second-round match with a well-placed forehand winner from the baseline.
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