Alex Crouch is the Sussex boys junior champion after beating home-based Adam Bunn.
The third seed, from Hailsham, won the under-19 crown at West Worthing 9-1 5-9 9-6 9-6.
In the semi-finals, Crouch beat Middleton No.1 seed Brandon Hanley and Bunn overcame Philip Taylor (The Weald).
Top seed Tom Pashley (Dunnings Mill), playing a year up, beat Freddie Pierrepont (Brighton) in straight games in the under-17 final.
Oliver Pett (Storrington) took the under-15s title with victory against William Newnham (The Weald) 9-1 9-2 9-2.
Stephen Wykes (Chichester) secured the under-13 crown with a thrilling win against Alex Pett (Storrington) 9-2 7-9 9-4 9-10 9-2.
Sam Willmott (Horsham) retained his under-11 crown, overcoming Michael Wykes (Chichester) in straight games.
The Sussex girls county closed event is on January 11-12, 2003.
Meanwhile, Rachel Willmott has won the 2002 Squash Trust Award.
The 14-year-old, from Horsham, is a multi-national junior champion and was unbeaten when she captained Britain's under-15 team at the European Junior Championships in May.
The award is made to youngsters showing exceptional promise.
Previous winners include former world champion Cassie Jackman and England international Stephanie Brind.
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