West London SFC boss Colin John-Baptiste reckons his side's win over former champions Chelsea Town will make the rest of the Senior Amateur Division sit up and take note.
He said: "We lost 4-0 to Chelsea Town in the cup last year, but I think this win shows we mean business."
The visitors came out all guns blazing and raced into a 3-0 lead.
They should've gone in front inside 10 minutes when Ali Zaadare was tripped in the box, but his penalty was saved.
However, West London did break the deadlock from the resulting corner.
Hamdee Zaadare spared his brother's blushes when he volleyed home after Chelsea failed to clear their lines.
Calvin Thomas doubled their advantage with a fine solo effort, and Easton Woodburn added a third.
But Ken Keeping's men ral-lied, and Limo Mann pulled a goal back from a corner,and new-boy Mark Redhead reduced the deficit to a single goal.
But Baptiste's side started the second half on the front-foot, and Thomas sealed the points when he shot into the bottom corner.
* DEBUTANT Oliver Skeet's double helped newly-promoted Pearscroft United start their Senior Amateur Division season in style with victory over last season's runners-up Valtaro Wasteels.
Spencer Walsh was also on target for Andy Druce's side in the 3-1 win.
Elsewhere, Leon Smith's hat-trick couldn't stop Fulham North from slipping to defeat to champions Deborah 08.
Smith's treble saw Fulham race into a 3-1 half-time lead, but they shipped five goals after the break to lose 6-3.
In the Senior Amateur Reserve Division, Dean Simon's goal was Cool Oak Rangers' only consolation as they crashed 6-1 at home to AFC Machico.
Meanwhile,My Generation marked their Sportman's Division One debut with a fine win over Wessex Rangers.
Johad Rilqueme, Rimel Clark and Alan Lewis scored as they edged out the visitors by the odd goal in five.
Spencer Taffurelli struck a post late on as Shoots & Leaves had to settle for a point at Notting Dale.
Taffurelli and former Olympia player Marvin West had notched for Gerry Rockett's side, but the hosts levelled before the break as it ended 2-2. In Division Three, Jack Christensen's strike wasn't enough for new-boys Eel Brook Rangers in a 2-1 home defeat to Battersea Dogs.