Both the unbeaten teams of the event face defeat in their first match of Super four.
Afghanistan suffer its first defeat, lost to Netherlands by 4 wickets.
Netherlands 132 for 6 (Kervezee 39, Nabi 3-23), Afghanistan 128 for 9 (Ahmadzai 23, Jonkman 2-23).
Man of the match: RN ten Doeschate (Netherlands)
Ireland complete 22-run win over UAE.
Ireland 152 for 7 (O'Brien 46, Nawaz 3-23) beat UAE 130 (Ali 63, Cusack 3-23) by 22 runs.
Man of the match: AR Cusack (Ireland)
Albeit ICC World Twenty20 Qualifier is still wide open with all four remaining sides still in with an equal chance of securing the two available slots in the ICC World Twenty20 2010 to be staged in the West Indies from 30 April to 16 May.
Joint-defending champions Ireland and the Netherlands had to produce their best all-round performances to end the unbeaten runs of the United Arab Emirates (UAE) and Afghanistan respectively, that has left all the four teams on equal points after the penultimate day's action in this five-day tournament.
This means tomorrow's matches at Dubai International Cricket Stadium, Dubai Sports City between the UAE and Afghanistan, and Ireland and the Netherlands will be as good as the semi-finals with the winners progressing to the main event.
In addition to this, winners of tomorrow's matches will also go head to head in the final to be played later in the evening. The winner of the final will join South Africa and India in Group C of the event in the West Indies and the losing finalist will join Group D which includes the West Indies and England.