Horsham manager John Maggs blasted his players after the 1-0 home defeat against Walton and Hersham.
He said: "We were poor. We were running in blind alleys, failed to pass the ball and players were doing their own things. I'll hold my hands up and take the blame if we fail but not if the players won't play how I tell them to. I've been here three years and I will not let things slip.
"If the players are not coming up to my standards then we will be saying goodbye to some."
The decisive goal came after 48 minutes when Paul Harkness outpaced John Kirby before crashing the ball home from 20 yards.
Horsham's new Swedish signing, Martin Johansson, was anonymous in the middle of the park and substituted after 55 minutes.
Worthing boss Barry Lloyd admitted his side were well below their best as they tumbled to a disappointing 2-0 home defeat against improving Tooting and Mitcham.
Goals in each half from Daniel Nwanze and substitute Nigel Webb left Rebels without a win in seven games.
Lloyd said: "It was a particularly disappointing second half because we didn't compete. They knocked us over physically and were too strong for us."
Rebels had to make do without injured pair Florian Mateos and Ben Carrington, while they have been badly affected by the deteriorating state of pitches.
Lloyd said: "The condition of pitches certainly hasn't helped us because we're a lightweight side."
Worthing have now gone two months since scoring at home and Lloyd is hoping to have Mateos (hamstring) and Carrington (foot) available for tomorrow's Sussex Senior Cup tie at home to Horsham YMCA.
Bognor loan signing Michael Harper scored on his debut but was unable to prevent a 2-1 defeat at promotion rivals Bromley.
Harper, signed from Ryman League premier division side Aldershot Town, equalised in the 58th minute when he blasted home a cross by Michael Birmingham.
Bromley scored through substitute Adolph Amoako (45 minutes) and Wade Falana (59).
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