Heta claimed victory in Event Seven for his third title win of the year.
There were also victories for former World Series qualifier Ben Robb, David Littleboy and James Bailey.
This means that ‘The Heat’ leads with 104 points to Bailey who has 81 after the latest round of events.
2019 Harrows DPA ProTour Event Five
Quarter-Finals Damon Heta 6-3 Stewart Smith
Ben Robb 6-3 Steve Fitzpatrick
Koha Kokiri 6-5 David Platt
James Bailey 6-3 Raymond Smith
Semi-Finals Ben Robb 6-3 Damon Heta
Koha Kokiri 6-3 James Bailey
Final Ben Robb 6-3 Koha Kokiri
2019 Harrows DPA ProTour Event Six
Quarter-Finals Steve Fitzpatrick 5-3 Damon Heta
David Littleboy 5-4 Gordon Glen
Haupai Puha 5-3 Tim Pusey
Bill Aitken 5-4 Shane Tichoswitch
Semi-Finals David Littleboy 5-4 Steve Fitzpatrick
Haupai 5-4 Bill Aitken
Final David Littleboy 6-5 Haupai Puha
2019 Harrows DPA ProTour Event Seven
Quarter-Finals Damon Heta 5-3 Rob Modra
Bill Aitken 5-3 Haupai Puha
Jamie Rundle 5-1 Shane Tichoswitch
Raymond Smith 5-1 James Bailey
Semi-Finals Damon Heta 5-1 Bill Aitken
Raymond Smith 5-3 Jamie Rundle
Final Damon Heta 6-1 Raymond Smith
2019 Harrows DPA ProTour Event Eight
Quarter-Finals James Bailey 5-4 Damon Heta
Brad Thorp 5-3 Mick Lacey
David Platt 5-1 Rhys Mathewson
Tim Pusey 5-4 Koha Kokiri
Semi-Finals James Bailey 5-4 Brad Thorp
David Platt 5-2 Tim Pusey
Final James Bailey 6-5 David Platt