Emmanuel Sonupe smashed home from close range in the dying minutes to give Spurs their first win in four U21 games at previously unbeaten Chelsea's expense.
You can read the full Spurs match report here.
The next Spurs U21 game here at Stevenage FC is against Manchester City on Monday 1st December (7pm KO). Tickets will be available at www.borotickets.co.uk and from the club shop approximately a fortnight in advance of this fixture.
Spurs U21s: McGee, McQueen, Ogilvie (Walker-Peters 73), Lesniak, Ball, Carter-Vickers, Sonupe, Winks, Ceballos (Akindayini 81), Onomah (Lameiras 73), Miller.
Substitute (not used): Miles (GK).
Chelsea U21s: Beeney, Kane, Davey, Aina, Dabo, Houghton (Colkett 46), Musonda, Loftus-Cheek, Solanke, Boga (Palmer 69), Kiwomya (Scott 89).
Substitutes (not used): Clarke-Salter, Granger (GK).