Aussie Greeks Nick Kyrgios and Thanasi Kokkinakis have powered into the Miami Open second round

Nick Kyrgios and Thanasi Kokkinakis have steam-rolled into the second round at the Miami Open.

World No.102 Kyrgios fired 12 aces in a 7-6(3) 6-3 victory against Frenchman Adrian Mannarino, with the Aussie wildcard not facing a breakpoint in the 92-minute encounter.

“It was a hell of a performance. Getting on late, it wasn’t easy. So I’m really proud of myself with the way I responded,” Kyrgios said. “I felt good, I competed well today against a tough opponent.”

Kyrgios’ victory sets up a second-round showdown with fifth seed Andrey Rublev.

“I’m going into that match as a complete underdog,” Kyrgios said. “But I feel confident. If I’m serving well and play well from the back, I can beat anyone.”

Kokkinakis was equally remarkable in a 6-4 6-2 victory against French veteran Richard Gasquet, striking 10 aces and not dropping serve in the 93-minute clash.

The 25-year-old Australian has now won three consecutive matches in Miami, after earning his place in the main draw through qualifying.

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Kokkinakis next faces No.13 seed Diego Schwartzman of Argentina.

Next Up Men’s doubles, first round

[WC] Thanasi Kokkinakis (AUS)/Nick Kyrgios (AUS) v Santiago Gonzalez (MEX)/Andres Molteni (ARG)