He finally won a match at the Lakeside in the fifth time of asking in 2002, beating Andree Welge before losing in the second round to Raymond van Barneveld.
In 2003, Clarys beat Tony Eccles and Robert Wagner en route to the quarter-finals, eventually losing again to Barneveld despite hitting a 170 checkout.
In 2004, Clarys switched to the PDC, after qualifying for their World Championship, beating Dan Lauby and Mark Walsh to reach the third round, losing to Ronnie Baxter.
Though Clarys was unable to win any titles, he had good showings in major tournaments including a quarter final place in the 2005 UK Open.
He made another appearance in the PDC World Championship, beating Winston Cadogan in round one before losing to Wayne Mardle.