Melbourne VIC, Australia, 8 December 2015 | tennis.com.au

Top seeds Tristan Schoolkate and Amber Marshall have continued their march to the 14/u Australian Championships titles at Melbourne Park on a hot and blustery Tuesday.

Schoolkate sealed a semifinal berth with a three-set win over 12th seed Tom Evans, setting up a meeting with No.10 seed Sebastian Flock.

Flock overcame a tough first set to see off fourth seed Nikita Volonski 1-6 7-5 6-2.

The other boys’s semifinal will pit third seed Ken Cavrak against eighth seed Rinky Hijikata; Cavrak was the only one of the semifinalists to win in straight sets on Tuesday.

> view the boys’ 14/u Australian Championships draw

Marshall continued her dominant progress through the girls’s draw, sealing a semifinal place with a 6-2 6-3 victory over Tayla Whitehouse.

She’ll take on Patricia Apisah, after the seventh seed saw off the challenge of Natasha Russell, 7-6(6) 6-3.

In the bottom half of the draw, No.8 seed Annerly Poulos overcame third seed Olivia Gadecki in three sets and will next play second seed Madison Bishop, who lost just three games in beating Tara Gilich, the No.5 seed.

> view the girls’ 14/u Australian Championships draw

In the 18/u Australian Championships, Priscilla Hon, Maddison Inglis, Sara Tomic and Olivia Tjandramulia established themselves as the leading contenders after moving to the top of their respective round-robin groups on Tuesday.

The quartet have each won their first two pool matches and are well placed to progress to the knockout quarterfinal stage.

Oliver Anderson has firmed as the favourite in the boys’ 18/u draw; the top seed is also undefeated and heads Group A with two wins.

> view the 18/u Australian Championships draws

The December Showdown runs from 5-20 December 2015 at Melbourne Park.