Australia’s Nick Kyrgios reached the final of the Brisbane International after beating defending champion and world number three Grigor Dimitrov.

Kyrgios, ranked 21st in the world, won 3-6 6-1 6-4 against the Bulgarian.

The 22-year-old could win his first ATP Tour title on home soil when he plays Ryan Harrison in Sunday’s final, after the American beat Australian wildcard Alex De Minaur 4-6 7-6 6-4.

The Australian Open, the first Grand Slam of the year, begins on 15 January.