Australia's Matthew Millar shot a three under 68 for a seven-under total of 206 in windy conditions to lead by one shot after three rounds at the at the Australian Masters being played at Huntingdale on Saturday.
Leader after two rounds, Adam Scott, ended on a 77, five strokes behind after he bogeyed his opening hole and struggled all day.
In second place was Australia's Andrew Evans, who shot 70 and two strokes behind were four players tied for third place – Peter Senior (68), Michael Sim (68), John Senden (71) and Matthew Guyatt (73).
In Seventh place was the highest-placed non-Australian, American George McNeill who shot a 73 to be three shots back.
Peter Wilson, who shared the lead with Scott overnight, had a nightmare day on the course dropping to a tie for 24th place after going around in nine over.
Leading scores after three rounds:
1. Matthew Millar -7 (71, 67, 68) 206
2. Andrew Evans (68, 69, 70)
3. Peter Senior (70, 70, 68); Michael Sim (71, 69, 68); John Senden (69, 68, 71); Matthew Guyatt (69, 66, 73)
4. George McNeill (70, 66, 73)
5. Alistair Presnell (68, 71, 71); Daniel Fox (65, 74, 71); Brett Rumford (72, 64, 74)
6. Daniel Pearce (73, 69, 69); Michael Wright (72, 68, 71); Nick O'Hern (70, 70, 71); Bryson DeChambeau (Am) (69, 70, 72); Mathew Goggin (67, 70, 74); Adam Scott 64, 70, 77)
The English Open has been revived as part of the new schedule.
Close House Golf Club, near Newcastle, will host the British Masters on July 22.
The event was last staged in 2002.
The tournament at Close House, scheduled to start on July 30, is set to be the first European Tour event since the coronavirus crisis halted action.
The world number one believes it would be the ‘right call’ to push the event back to 2021.
The exhibition match, against Phil Mickelson and Tom Brady, raised 20 million dollars.
The Dutchman finished third and second in the first two weeks of the home-based competition.
NFL stars Tom Brady and Peyton Manning will also be involved.
The US President was among the viewers watching the TaylorMade Driving Relief.
The US President phoned in as McIlroy played in a Sunday fundraiser for coronavirus victims.