Not only did Liverpool battle to a point despite the circumstances, but title rivals Arsenal failed to capitalise as they were held to [a goalless draw by Everton](/sport/football/live/c047zvkyd10t).
It meant the Reds, who saw their advantage cut after last weekend's Merseyside derby was postponed because of severe weather, extended their lead to five points before nearest challengers Chelsea host Brentford on Sunday (19:00 GMT).
"Liverpool were phenomenal. They went down to 10 men and didn't feel sorry for themselves," former Premier League striker Chris Sutton told BBC Radio 5 Live.
"It was a brilliant game. I thought Liverpool were phenomenal in the face of adversity."
Liverpool have won 19 and lost just one of 23 games since Dutchman Slot replaced Jurgen Klopp in the summer, and they also sit top of the Champions League table with a perfect record in that competition.
With 10 men, against a Fulham side enjoying the club's best start to a Premier League season since 2003, the Reds still ended the match with more than 60% possession and led a host of attacking metrics including shots, big chances and touches in the opposition box.
The trick, according to Liverpool captain Virgil van Dijk, was to "stay calm" - although he added that is "easier to say than do".
"A great comeback, it is very positive. It's disappointing having 10 men but we showed fight," Van Dijk told Sky Sports.