SIMON PRESTON and Diogo Portela shared victories on the opening day of the 2018 PDC Unicorn Challenge Tour.

A SERIES of amendments to the 2018 PDC calendar have been announced ahead of next year's circuit of events.

THE opening PDC Unicorn Challenge Tour weekend of 2018 will now be held on January 27-28.

PETER JACQUES and Nick Fullwell were victorious in Saturday's PDC Unicorn Challenge Tour double-header.

THE 2018 PDC calendar has been announced as the sport's growth in Europe continues next year.

South Africa's Warrick Scheffer picked up his first Challenge Tour title as he secured victory on Milton Keynes.

Mark Dudbridge claimed victory in Challenge Tour 15 in Milton Keynes.

PETER JACQUES & Luke Humphries won their maiden PDC Unicorn Challenge Tour titles in Milton Keynes.

NATHAN ASPINALL & Robert Rickwood shared victories in PDC Unicorn Challenge Tour Events Nine & Ten.

WAYNE JONES won a second Unicorn Challenge Tour title as nine-dart Mark Dudbridge also took victory.