Dulwich Hamlet drew 0-0 at Concord Rangers on Saturday but struck the woodwork twice as well as seeing a goal cancelled out for offside.
Anthony Cook hit the bar with a free-kick while Nyren Clunis was denied by the woodwork.
Nathan Green headed home late in the contest but it was struck off by the officials.
Hamlet handed a debut to Swindon Town striker Sol Pryce. The Chippenham-born 19-year-old will spend the rest of the season on loan at Champion Hill and came on in the second half of Saturday’s fixture.
Tooting & Mitcham kept alive hopes of a play-off push in the Isthmian League South Central Division with a 3-0 home success over Egham Town.
Jordan Wilson, Dominic Morgan-Griffiths and Jordan Wilson all netted in the second half.
Fisher moved back to the top of the SCEFL Premier Division with a 1-0 win at Sheppey United.
Kush Campbell-Palmer netted in the 87th minute. It was enough to nudge the Fish above Corinthian, who did not play, on goal difference.