Gilles Simon defeats Mikhail Kukushkin in first round

French 12th seed Gilles Simon has eased into the second round of the men's Olympic singles with a straight-sets win over Kazakhstan's Mikhail Kukushkin.

Simon broke his opponent in the opening game of the first set as he went on to claim it 6-4.

The 27-year-old then broke twice in the second to see off the world number 61 6-2.

Simon's straightforward victory has seen him set up a second-round match with Bulgaria's Grigor Dimitrov.