Irish face Tour School ordeal
Dunne, who had birdied his opening three holes, finished near the tail of the Oceanico Victoria course field with a final round of 70 for a disappointing three-over-par tally and a share of 68th.
The 22-year-old faced the giant task, in his third Tour event as a pro, of securing a top-two result on the Algarve if he was to break into the top-111 that would earn him a 2016 Tour card.
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