Although the margin of victory was slim, this was a heartening display by Warren Joyce's side with Adnan Januzaj and Jesse Lingard particularly lively and Ryan Tunnicliffe scoring the only goal of the game and producing a memorable celebration to mark the moment.
United started off with Reece James in a wide midfield role with no Nick Powell in the side and Tunnicliffe pushing forward to join roaming forward Januzaj. There was an early disruption to the plans when Frederic Veseli was taken off on a stretcher in some pain after appearing to pull his hamstring when chasing a delightful through ball by Larnell Cole.
Tyler Blackett replaced the Swiss youngster and slotted into right-midfield with only 10 minutes on the clock. Spurs would already have been ahead but for Ben Amos' superb save as he dived to his right to keep out Cristian Ceballos after the visiting forward robbed Michele Fornasier.
The Reds enjoyed a good spell of pressure with Lingard and Januzaj both firing wide of Lawrence Vigouroux's right-hand post. Lingard collected the ball after Januzaj released Tunnicliffe but his fine attempt was inches off target and, three minutes later, Januzaj bent a glorious shot just as close following Charni Ekangamene's biting tackle in midfield.
Acrobatics from Vigouroux denied Tunnicliffe and Lingard as Warren Joyce's side continued to press but Spurs replied with a wild shot from Laste Dombaxe after a rare error by captain Tom Thorpe. Amos had to divert a skidding free-kick by Younes Kaboul off target but the second half ended with the pitch shrouded in gloom following