• Conchita Martínez hails Muguruza’s controlled aggression• Kenin is youngest
Australian Open singles finalist since 2008Conchita Martínez has had cause to jump out of her seat a few times over the past fortnight as Garbiñe Muguruza has swung through every shade of inconsistency and brilliance to reach Saturday’s final against the young
American, Sofia Kenin.

The Spaniard who won
Wimbledon in 1994 by beating Martina Navratilova, and reached the final here four years later, has joined her compatriot full-time this year after guiding her to the Wimbledon title three years ago, and has been in turn delighted and occasionally exasperated, showing her emotions from the players’ box in a string of tight exchange, especially in the semi-final against the world No 3 Simona Halep.