WARNERS End booked their place in the next round of the Herts Sunday Intermediate Cup with a solid victory over FC Potters Bar.
Ross Wright, Simon Barnes and Tom Gray got the goals in a 3-1 win.
Warners are now the sole BSFL representatives left in the competition, though, as Blackbirds Rangers and AFC Rovers both lost their fourth round ties.
Blackbirds went down 7-2 at Lea Sports PSG Sunday despite strikes from Gareth Carder and Robbie Hull, while Rovers were beaten by FC Town.
James Heward bagged the consolation goal.
In the league, meanwhile, Premier Division outfit Berko Tornadoes left Gossoms End in a spin as they stormed to an 8-2 victory.
Ryan Sturges (2), Tom Kelly (2), Tom Shaw, Stuart Bailey, Andy Wheeler-King and Craig Anscomb got the goals.
Park Rangers also won well, seeing off Boxmoor 5-0 thanks to efforts from Chris Wesley, Ryan Lockley, Niall Woods, Chris Parperi and Greg Goodchild.
Another team to hit five were Hemel Town Celtic, who saw off AC Hemel 5-1 with a hat-trick from Adam Tizzard, a half-way line wonder strike from Sam Hitch and a penalty from Chad Pitching.
Flaunden and AFC Boars drew 2-2, with Chris Di Pascale and George Loosely netting for Flaunden and Jay Austin and James Davies replying for Boars.
In Division One, Landrovers secured their first win since early September as they beat Greenacres II 3-2 courtesy of goals from Kieran Ingram (2) and Sean Grange.
A hat-trick from Rocco Cordara was not enough to prevent The Midland from slipping to a 4-3 loss to Sportspace, while Jack Shirkey’s brace earned a 2-1 win for Old Grey Mare at Berko Raiders.
The Robin Hood bagged all three points against VFC as Dan To and Joe Jary got the goals in a 2-1 win.
Liam Schutes hit a double and Dan Chitty completed the scoring as Division Two side KLCC beat Echoes FC 3-2.
Drays Athletic triumphed by the same scoreline at Comets Sports Club Reserves thanks to goals from Rob Jackson, Matt Durrant and Clint Findlay.
The Queens Head staged a dramatic second-half comeback as they fought from 3-0 down to earn a 3-3 draw with FC Intervino.
Pete Austin, Mike Gray and Liam Hentrey had given Intervino a commanding lead, but a Dave Ellis brace and an own goal rescued a point for The Queens Head.
There was no stopping The Bull Athletic as they charged to a 7-1 victory over AMG United in Division Three.
Adam Field helped himself to a hat-trick and Gus Quigley, Ross Paterson, Josh Connolly and Chris Sweeney completed the scoring.
The Three Blackbirds had Darren Hewitt, Joe Fowler and James Hewitt to thank for a 3-1 win over Inter Hemel Sunday, while Park Rangers Reserves and Hemel Corinthians drew 3-3.
Craig Sharples bagged a hat-trick for Corinthians, and James Doyle, Paul Roberts and Terry Beckwith got the goals for Rangers.
The Three Tuns were the big winners in Division Four as Dean Porter (3), Alex Kingsley, Sam Curran and Sam Butler secured a 6-1 win over The Olde Red Lion.
Boxmoor Rangers were also on form, beating Palace FC 4-0, courtesy of a hat-trick from Elliot Rowland and a strike from Tom Childs.
The Kings Arms picked up three points at Hemel Corinthians Reserves as Jack Watts, Jack Bridges, Filipo Paris and Luke Wildig found the net.
Mark Manangan kept up his hot form in front of goal as he bagged four to help Green Park Rovers see off Apsley Athletic 5-2. Kenny Harrington also scored.
Big GC FC also secured a three point haul as Adrian Keane’s brace was enough to earn a 2-1 win at The Old Bell Gate.