Champions Belgrave Wanderers recorded the biggest win since Guernsey's football leagues were revamped at the start of the season on Saturday.
Bels returned from Port Soif with an 11-0 win over bottom-of-the-table Rovers, to go two points off top spot.
The previous record was also set by Bels when they beat Rovers 10-0 on Tuesday, 23 September 2008.
Rovers, who have not got a point, have a minus 55 goal difference having conceded 63 goals in 11 games.
Elsewhere Rangers are now seven points behind Bels in third place after drawing 4-4 with Sylvans in a thriller at St Peter.
Rangers were 3-1 up at half time but Sylvans fought back through goals from Jamie Le Cheminant, Lee Renouf and Danny Watts to lead 4-3 with five minutes to go before a late equaliser from secured a point for Rangers.
"At half time I said to the lads that even though we were 3-1 down the score didn't reflect the way the game was going," Sylvans manager Clive Bateman told BBC Guernsey.
"We told them to go out there and give it a go and that's what they did and fair play to them," he added.
St Martin's are now three points behind the red and blacks in fourth place with a game in hand after beating second-from-bottom Vale Rec in the other game of the day.
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