Hamilton Accies claimed their second win on the bounce as they beat Kilmarnock 3-2 at Rugby Park.
Kilmarnock boss Gary Locke admits his side face a "massive game" against Motherwell next week.
St Mirren beat Kilmarnock 4-1 to bounce back from five straight defeats and keep alive their slim survival hopes.
St Mirren manager Gary Teale praised his young team after their 4-1 win over Kilmarnock.
Kilmarnock chairman Jim Mann has taken umbrage over the club's five post-split fixtures.
Celtic came from behind to beat Kilmarnock 4-1 and open up an eight-point lead at the top of the Scottish Premiership.
The SPFL has released the post-split fixtures for the final five matches of the season.
Team news for the Scottish Premiership match between Celtic and Kilmarnock on Wednesday.
Rory McKenzie is puzzled by Kilmarnock's sudden downturn in form, and insists they better find a solution quickly.
Aberdeen remain in contention for the Scottish Premiership title after closing the gap on Celtic to five points.
Derek McInnes says Aberdeen will not win the Scottish Premiership, despite being just five points off leaders Celtic.
David Syme netted on his Kilmarnock debut but was unable to prevent Motherwell from winning 2-1 at Rugby Park.
Motherwell boss Ian Baraclough insists there is still much work to do to avoid relegation despite being Kilmarnock.
Gary Locke has been appointed as Kilmarnock manager on a permanent basis.
Kilmarnock winger Chris Johnston says the squad are backing Gary Locke to be appointed manager on a permanent basis.
Michael Gardyne was on target at Victoria Park as in-form Ross County beat Kilmarnock 2-1 in the Scottish Premiership.
Jim McIntyre felt Ross County were at the top of their game for much of the 2-1 victory over Kilmarnock.
Lee Miller scored three minutes from time to give Kilmarnock a 1-0 win over St Mirren at Rugby Park.
Gary Locke hopes Lee Miller can fire Kilmarnock into the top six after his winner in the 1-0 win over St Mirren.
Gary Locke is hoping the return to Rugby Park for the first time in a month can put Kilmarnock back on the victory trail.