| ICC World Twenty20 2013/14 (Group B) | 21st March 2014 | 42 | 16 | 31 | 2 | 4 | 1 | 0 |
| | 0 | 2 | 3 | - | - | 0 | 0 |
| | 17 | 10 | 12 | 2 | 1 | 0 | 0 |
| Ireland in West Indies 2013/14 (2nd Twenty20) | 21st February 2014 | 3 | 5 | 0 | - | - | 0 | 0 |
| Ireland in West Indies 2013/14 (1st Twenty20) | 19th February 2014 | 15 | 12 | 0 | 2 | - | 1 | 0 |
| ICC World Twenty20 Qualifier 2013/14 (Final) | 30th November 2013 | 20 | 12 | 15 | 2 | 1 | 0 | 0 |
| ICC World Twenty20 Qualifier 2013/14 (Group A) | 16th November 2013 | 31 | 23 | 26 | 2 | 1 | 0 | 0 |
| ICC World Twenty20 2012/13 (Group B) | 24th September 2012 | 13 | 15 | 19 | - | 1 | 0 | 0 |
| | 35 | 29 | 31 | 5 | - | 1 | 0 |
| Bangladesh in Ireland and Netherlands 2012 (3rd Twenty20) | 21st July 2012 | 0 | 1 | 4 | - | - | 0 | 0 |
| Bangladesh in Ireland and Netherlands 2012 (2nd Twenty20) | 20th July 2012 | 5 | 5 | 7 | 1 | - | 0 | 0 |
| Bangladesh in Ireland and Netherlands 2012 (1st Twenty20) | 18th July 2012 | 0 | 2 | 3 | - | - | 0 | 0 |
| ICC World Twenty20 Qualifier 2011/12 (Final) | 24th March 2012 | 0 | 1 | 1 | - | - | 0 | 0 |
| ICC World Twenty20 Qualifier 2011/12 (Preliminary Final) | 23rd March 2012 | 30 | 22 | 19 | 1 | 3 | 0 | 0 |
| | DNB | | | | | 1 | 0 |
| ICC World Twenty20 Qualifier 2011/12 (Group B) | 18th March 2012 | 16 | 13 | 15 | - | 1 | 0 | 0 |
| | DNB | | | | | 0 | 0 |
| Ireland in Kenya 2011/12 | 24th February 2012 | 4 | 4 | 2 | 1 | - | 0 | 0 |
| | 9 | 9 | 13 | 1 | - | 0 | 0 |
| | 30 | 36 | 47 | 3 | - | 1 | 0 |
| ICC World Twenty20 2010 (Group D) | 4th May 2010 | DNB | | | | | 0 | 0 |
| | 9 | 16 | 16 | 1 | - | 1 | 0 |
| ICC World Twenty20 Qualifier 2009/10 (Final) | 13th February 2010 | 2 | 3 | 9 | - | - | 0 | 0 |
| | 0 | 2 | 2 | - | - | 2 | 0 |
| ICC World Twenty20 Qualifier 2009/10 (Group A) | 11th February 2010 | 10 | 4 | 11 | - | 1 | 0 | 0 |
| | 7 | 9 | 8 | - | - | 0 | 0 |
| Sri Lanka Associates T20 Series 2009/10 | 3rd February 2010 | 5 | 2 | 3 | 1 | - | 0 | 0 |
| | 1 | 2 | 4 | - | - | 2 | 0 |
| ICC World Twenty20: 2009 | 15 June 2009 | 26 | 30 | 42 | 1 | - | 0 | 0 |
| | 0 | 2 | 1 | - | - | 0 | 0 |
| | 2 | 3 | 9 | - | - | 1 | 0 |
| India v Ireland: 2009 | 10 June 2009 | 2 | 4 | - | - | - | 0 | 0 |
| ICC World Twenty20: 2009 | 8 June 2009 | 39 | 17 | 15 | 4 | 2 | 1 | 0 |
| ICC World Twenty20 Qualifier: Final, 2008 | 5 August 2008 | DNB | | | | | 0 | 0 |
| ICC World Twenty20 Qualifier: 1st Semi-Final, 2008 | 4 August 2008 | 17 | 16 | 27 | 1 | 1 | 0 | 0 |
| ICC World Twenty20 Qualifier: 6th Match, 2008 | 3 August 2008 | 6 | 9 | 14 | 1 | - | 0 | 0 |
| ICC World Twenty20 Qualifier: 2nd Match, 2008 | 2 August 2008 | 3 | 3 | 4 | - | - | 0 | 0 |
Kevin O'Brien - Twenty20 - Batting Performance Innings by Innings