Allcock put Jamie Howell’s team in front on 35 minutes but Brendan Matthew levelled just before the break. Liam Prior-Tack got what proved the winner four minutes into the second half.
The Rocks remain tenth and are next in action on Saturday at home to Hendon.
See pictures from the Hayes-Rocks game – by David Richardson and Tommy McMillan – on this page and those linked. Get the latest from Nyewood Lane in the Bognor Observer every Thursday.

1. ALL RIGHTS RESERVED 2026
Hayes and Yeading v Rocks, Isthmian south central division Photo: DAVID RICHARDSON : David Richardson

2. ALL RIGHTS RESERVED 2026
Hayes and Yeading v Rocks, Isthmian south central division Photo: DAVID RICHARDSON : David Richardson

3. ALL RIGHTS RESERVED 2026
Hayes and Yeading v Rocks, Isthmian south central division Photo: DAVID RICHARDSON : David Richardson

4. ALL RIGHTS RESERVED 2026
Hayes and Yeading v Rocks, Isthmian south central division Photo: DAVID RICHARDSON : David Richardson