The victory – courtesy of a goal by Josh Rees – took Steve King’s side just three points behind leaders Enfield.
Third-placed Boroughhave now won seven out of eight at home, where they could barely buy a win all last season in their National South year of struggle.
The big games keep coming and on Saturday King takes his team to Dartford, who are fifth.
See pictures from Eastbourne Borough 1 Stanway Rovers 0 by Lydia and Nick Redman on this page and those linked – and get the latest from Priory Lane in the Eastbourne Herald, out on Friday.
17. Lydia Redman
Eastbourne Borough v Stanway Rovers, Isthmian Premier Photo: Lydia Redman : Lydia and Nick Redman
18. Lydia Redman
Eastbourne Borough v Stanway Rovers, Isthmian Premier Photo: Lydia Redman : Lydia and Nick Redman
19. Lydia Redman
Eastbourne Borough v Stanway Rovers, Isthmian Premier Photo: Lydia Redman : Lydia and Nick Redman
20. Eastbourne Borough v Stanway Rovers pictures by Lydia and Nick Redman (45).jpg
Eastbourne Borough v Stanway Rovers, Isthmian Premier Photo: Lydia Redman : Lydia and Nick Redman