Goals from Richard Lecky and Alan Teggart saw Portadown defeat Glentoran.
Lecky poked the ball home from six yards for his 17th goal of the season after meeting Kevin Braniff's cross in the sixth minute.
Johnny Black hit the crossbar, Brian Gartland volleyed over and Daryl Fordyce was denied by David Miskelly.
After the break Elliott Morris saved from Jordan Baker and Jimmy Callacher blazed over, before Teggart added the second in the 87th minute.
Teggart caught out Morris with a shot and the ball trickled over the line.