Arnett Gardens beat Tivoli 2-1 in the Monday night fixture in the Wray and Nephew/Premier League at the Tony Spaulding Complex.
Warner Brown with his seventh goal of the season put Arnett in front after nine minutes.
Anthony Nelson equalised for Tivoli 14 minutes later before Kimani Arbouine bagged the winner in the 66th minute.
Tivoli played the last 14 minutes with ten men after Kavan Wilson was sent send off for dangerous play.
Arnett are now up to sixth in the standings while Tivoli remain just a place off the foot the table.
In the first game of the double header, Andre Fletchers scored twice and Nicholas Hamilton once as Waterhouse ran out easy 3-1 winners over Molynes United.