Results of matches played at the Australian Open squash tournament in Canberra on Saturday (x denotes seed):Semi-finals - Men Nick Matthew (ENG x1) bt David Palmer (AUS) 11-9, 11-4, 11-5 Ramy Ashour (EGY x2) bt Gregory Gaultier (FRA x5) 7-11, 11-9, 11-9, 11-9 Women Nicol David (MAS x1) bt Rachael Grinham (AUS x3) 11-7, 13-11, 11-7Jenny Duncalf (ENG x2) bt Madeline Perry (IRL x4) 11-8, 11-9, 2-11, 11-4