Spurs dominated for much of the game but two minutes into added-on time, Jake Livermore's close-range effort prevented the Baggies from being relegated in front of their own supporters.
West Brom now sit just two points adrift of 17th-placed Swansea City - who have a game in hand - while Spurs must win their final two matches to guarantee a place in next season's Champions League.
Find out how all of the action unfolded in the West Midlands courtesy of Sports Mole's minute-by-minute updates below.
WEST BROMWICH ALBION SUBSTITUTES: Myhill, Robson-Kanu, Yacob, Evans, Sturridge, Krychowiak, Chadli
TOTTENHAM HOTSPUR SUBSTITUTES: Vorm, Davies, Dier, Sissoko, Moura, Son, Llorente
WEST BROMWICH ALBION XI: Foster; Nyom, Dawson, Hegazi, Gibbs; Livermore, Brunt; Phillips, Rodriguez, McClean; Rondon
TOTTENHAM HOTSPUR XI: Lloris; Sanchez, Alderweireld, Vertonghen; Trippier, Wanyama, Eriksen, Rose; Lamela, Dele, Kane
If you would like to read our on-the-whistle match report, you can do so by clicking here. Goodbye for now.