Partick Thistle drew with Dundee as both sides missed the chance to fully take advantage of Ross County's inactivity.
County's match against Morton postponed due to the weather
, there was an opportunity for both sides at Firhill to significantly cut the First Division leaders' advantage.
Thistle goalkeeper Scott Fox diverted Gavin Rae's right-foot shot wide before Christie Elliot headed into Rab Douglas' arms at the other end.
Douglas parried David Rowson's header and also saved from Kris Doolan's drive as the hosts continued to press.
Ryan Conroy had a late chance for the visitors but Fox held onto the Dundee man's free-kick, with the Dens Park side now three points behind Ross County and Thistle 10 off the leaders.
Fox, O'Donnell, Cole, Scott Robertson, Sinclair, Cairney, Paton, Rowson, Naismith, Stewart (Erskine 70), Elliot (Doolan 70). Subs Not Used: Scully, Kinniburgh, Bannigan.
Douglas, Irvine, McKeown, McGregor, Lockwood (Weston 65), Chisholm, O'Donnell, Rae (Hyde 46), Conroy, Milne, McCluskey. Subs Not Used: Gibson, Bayne, Benedictis.