Federer credits wife for the triumph, Cilic rues ‘unfavourable’ playing conditions for the loss

Roger Federer holding the trophy after his win (L) and Marin Cilic (R) [Photo: Courtesy]

Roger Federer has credited his wife Mirka with keeping him motivated and still going strong at 36, although his longevity has "many pieces to the puzzle".

The Swiss master won his 20th Grand Slam title at the Australian Open on Sunday when he defeated Marin Cilic 6-2, 6-7 (5/7), 6-3, 3-6, 6-1.