Oldham roared into the Vanarama National League play-off semi-finals with a 4-0 win over Halifax.
They raced into a three-goal lead after just 12 minutes, with Joe Garner converting from a corner in the third minute.
Mark Kitching struck in the 10th minute after Mike Fondop headed a free-kick back across goal, and two minutes later Fondop nodded in the third.
Joe Pritchard fired home the fourth midway through the second half to book a semi-final against York next Tuesday.
Subscribe or register today to discover more from DonegalLive.ie
Buy the e-paper of the Donegal Democrat, Donegal People's Press, Donegal Post and Inish Times here for instant access to Donegal's premier news titles.
Keep up with the latest news from Donegal with our daily newsletter featuring the most important stories of the day delivered to your inbox every evening at 5pm.