One year on from a spectacular first-round meltdown, former US Open champion Daniil Medvedev made his way serenely into the second round at Flushing Meadows on Sunday. Key points and original sources are listed below.

• One year on from a spectacular first-round meltdown, former US Open champion Daniil Medvedev made his way serenely into the second round at Flushing Meadows on Sunday. The seventh-seeded Russian needed two hours and 14 minutes to ease past French qualifier Hug...S1

• One year on from a spectacular first-round meltdown, former US Open champion Daniil Medvedev made his way serenely into the second round at Flushing Meadows on Sunday.S2