 In their second match against Canada, O'Brien finished with 0–38 in the Canadian innings, and 5 off 2 balls with the bat as Ireland narrowly lost by 4 runs.In the third and final game (against Sri Lanka A), O'Brien ended the tournament wicketless after 0–15 off two overs.He managed 11 off ten balls as Ireland put in a spirited performance but lost by 5 wickets.