Roger Federer was in a contented mood after he made it through to the second round of the Halle Open with a straight-sets win over John Millman.

The Swiss top seed and 20-time grand slam champion required a tie-break to prevail in the first set against the Australian, before sealing an eventual 7-6 (1) 6-3 victory.

This triumph heralded the start of the grass-court season for the 37-year-old, which he hopes will end with another Wimbledon victory.

See his thoughts about his form above: