Melbourne VIC, Australia, 4 April 2016 |

Nick Kyrgios is now Australia’s highest-ranked player.

The 20-year-old from Canberra makes his debut in the ATP World Tour’s top 20 this week after his semifinal run at last week’s Miami Open.

The result sees him leap-frog compatriot Bernard Tomic, who missed the event with a wrist injury.

Kyrgios rises six spots to No.20, just ahead of Tomic at No.21.

Other big movers this week:

> John Millman rose four spots to No.65 after making the second round in Miami. The 26-year-old from Brisbane is just below his career-best of No.61.

> Western Australian Matthew Ebden rose five places to No.106, edging close to a top 100 return.

> New South Wales’ Matthew Barton rises 23 spots to No.270 after winning a Futures tournament in America.

> Back-to-back titles on the Australian Pro Tour propels Andrew Whittington to a new career-high rank of No.326. The 22-year-old rose 123 spots this week.

> 18-year-old Victorian Marc Polmans is at a career-best No.707, rising 102 places after strong performances on the Australian Pro Tour.

> View full ATP World Tour rankings

Victorian Destanee Aiava also recorded a major milestone this week – breaking into the WTA Tour’s top 500 for the first time.

The 15-year-old jumped 244 spots to No.478 following her run to final run in Canberra a fortnight ago, where she came from qualifying to record the biggest result of her young career.

Other big movers this week:

> Arina Rodionova jumps 14 spots to No.231, a result of her consistent form on the Australian Pro Tour.

> Victorian Tammi Patterson improves 16 places to No.395.

> A semifinal run in Canberra sees Queensland teen Olivia Tjandramulia move up 65 spots to a new career-high of No.419.

> Naiktha Bains is edging closer to a top 500 debut, improving 30 spots to record a new career-high of No.520.

> 18-year-old Lizette Cabrera rose 88 spots to No.823.

> View full WTA Tour rankings