Laura Massaro and Alison Waters progressed to the quarter-finals of the Hi-Tec Australian Open.
No.3 seed Massaro, despite being forced to an early first-game tiebreak, played a steady game to see off young teenager and fellow Englishwoman Emily Whitlock. Massaro now faces local Donna Urquhart in the quarter finals.
Alison Waters continued to make short work of her seeded opponents as she got the better of No.5 seed Annie Au, gaining some revenge for her defeat at the hand of the Hong Kong international at the Allam British Open second round back in May.
Waters will face the biggest test of her injury comeback to date, as she is faces World Open Champion and world No.1 Nicol David in the next round.
No.2 seed Jenny Duncalf found it tough going in her second round match with American Sobhy taking a surprise 3/1 victory.
Sobhy will now face Dipika Pallikal, who also upset the seedings by defeating No.6 Camille Serme of France in four games. The Indian international came from a game behind to get the better of Serme and record the biggest win of her career to date.
Also holding hopes of a home title win, Kasey Brown came from a game down to beat Joelle King of New Zealand. The No.8 seed will now face the experienced Irishwoman, Madeline Perry who, after a tie-break second game, beat Emma Beddoes in three games to book her quarter-final place.
RESULTS: PSA International 70 Hi-Tec Australian Open, Canberra, Australia
1 Nicol David (MAS) bt 10 Low Wee Wern (MAS) 11-4, 11-1, 11-6 (32m)
Alison Waters (ENG) bt 5 Annie Au (HKG) 11-7, 11-6, 11-8 (32m)
4 Madeline Perry (IRL) bt 16 Emma Beddoes (ENG) 11-8, 13-11, 11-2 (37m)
8 Kasey Brown (AUS) bt 9 Joelle King (NZL) 7-11, 11-4, 11-6, 11-9 (50m)
12 Donna Urquhart (AUS) bt 7 Rachael Grinham (AUS) 11-5, 11-7, 6-11, 11-4 (34m)
3 Laura Massaro (ENG) bt Emily Whitlock (ENG) 14-12, 11-8, 11-9 (35m)
11 Dipika Pallikal (IND) bt 6 Camille Serme (FRA) 3-11, 11-9, 11-9, 11-6 (43m)
Amanda Sobhy (USA) bt 2 Jenny Duncalf (ENG) 11-7, 10-12, 11-7, 11-6
Quarter-final matches:
1 Nicol David (MAS) v Alison Waters (ENG)
4 Madeline Perry (IRL) v 8 Kasey Brown (AUS)
3 Laura Massaro (ENG) v 12 Donna Urquhart (AUS)
Amanda Sobhy (USA) v 11 Dipika Pallikal (IND)