The Irishman impressed with victories over Rob Cross, Kim Huybrechts and Mensur Suljovic to reach his first Euro Tour title. However, he had to satisfy with a second place, as Van Gerwen blown him.
The world number one hit a 10-dart, 12-dart and two 13-dart legs to storm into a 6-1 lead. O'Connor won his second leg after hitting a 90 checkout in leg eighth. 'Mighty Mike' then won two another legs to claim victory in Hamburg.
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PDC European Tour.
Schedule of Play Sunday July 1 Third Round
Afternoon Session (1pm local time, 12pm BST) Michael van Gerwen (101.33) 6-1 (83.70) Robert Thornton
Ian White (100.15) 6-2 (92.82) Darren Webster
Joe Cullen (92.64) 4-6 (92.44) Justin Pipe
Daryl Gurney (95.88) 5-6 (95.00) Stephen Bunting
Jelle Klaasen (78.19) 1-6 (92.44) Andy Boulton
Jason Lowe (93.44) 2-6 (98.82) Gerwyn Price
Mensur Suljovic (104.60) 6-2 (92.39) Paul Rowley
William O'Connor (90.27) 6-5 (85.33) Kim Huybrechts
Evening Session (7.15pm local time, 6.15pm BST) Quarter-Finals Michael van Gerwen (104.82) 6-4 (94.31) Ian White
Justin Pipe (87.45) 3-6 (92.05) Stephen Bunting
Andy Boulton (85.55) 6-5 (87.31) Gerwyn Price
Mensur Suljovic (101.28) 3-6 (96.35) William O'Connor
Semi-Finals Michael van Gerwen (99.55) 7-4 (94.04) Stephen Bunting
William O'Connor (92.55) 7-3 (86.42) Andy Boulton
Final Michael van Gerwen (105.17) 8-2 (93.92) William O'Connor
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