Roger Federer has advanced to the third round of the US Open, beating Bosnian Damir Dzumhur 3-6, 6-2, 6-3, 6-4.
The 38-year-old third seed, who also dropped the first set against Indian qualifier Sumit Nagal in his opener, overcame a slow start to win the rain-affected match.
Japanese seventh seed Kei Nishikori has also progressed after eliminating American Bradley Klahn 6-2, 4-6, 6-3, 7-5.
Meanwhile, two-time women’s champion Venus Williams has crashed out following a 4-6, 4-6 defeat to fifth seed Elina Svitolina.
Elsewhere, Czech third seed Karolina Pliskova ousted 202nd-ranked Georgian qualifier Mariam Bolkvadze 6-1, 6-4.

Ireland beat India for first time in international cricket
England roar back in second test against New Zealand
Williams to face Australia's Joint in Wimbledon comeback
Australia reach World Cup knockouts, Turkey beat USA
Netherlands win Group F, Japan and Sweden also through
