• British No 1 beats Argentinian Navone 4-6, 6-3, 3-6, 6-3, 6-2
• Match-rusty player faces Kokkinakis or Safiullin next

Jack Draper gave an important demonstration of his determination and grit as he pulled himself back from the brink of possible defeat against Mariano Navone of Argentina before finding a way into the second round of the Australian Open with a resolute 4-6, 6-3, 3-6, 6-3, 6-2 victory after over four hours on court.

Draper, seeded 15th, looked exhausted as he trailed Navone by two sets to one and faced two break points at 2-2 in the fourth set. He eventually found a second wind late in the set, turning the match around to close out an essential win in his first grand slam tournament since reaching the semi-finals of the US Open.