Richarlison put the ball in the Sporting Lisbon net but was denied his third Champions League goal of the season as he was offsideTottenham conceded two injury-time goals as they slumped to a Champions League defeat against Sporting Lisbon.
Spurs had the majority of chances but could not take them and looked on course to earn a point in Portugal.
However, in the 91st minute Paulinho headed in from Pedro Goncalves' left-wing corner to put the hosts ahead.
It got better for Sporting as another substitute, Arthur Gomes, hit a fine, low strike to make it 2-0 and hand Spurs their first loss of the season.
Both teams observed a minute's silence before the match, as they paid tribute to Queen Elizabeth IIMore to follow.
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Sporting Lisbon
Squad number1Player nameAdán
Squad number25Player nameGonçalo Inácio
Squad number4Player nameCoates
Squad number2Player nameMatheus Reis
Squad number24Player namePorro
Squad number15Player nameUgarte
Squad number5Player nameMorita
Squad number11Player nameNuno Santos
Squad number17Player nameTrincão
Squad number10Player nameEdwards
Squad number28Player namePote
Squad number6Player nameAlexandropoulos
Squad number20Player namePaulinho
Squad number33Player nameArthur Gomes
Squad number47Player nameRicardo Esgaio
Tottenham Hotspur
Squad number21Player nameKulusevskiLine-ups
Sporting
Formation 3-4-3
1Adán
25Inácio4Coates2Reis de Lima
24Porro15Ugarte5Morita11Gomes dos Santos
17Machado Trincão10Edwards28Pereira Gonçalves
1Adán25Inácio4Coates2Reis de LimaBooked at 75mins24Porro15Ugarte5MoritaBooked at 63minsSubstituted forAlexandropoulosat 71'minutes11Gomes dos SantosSubstituted forde Sousa Esgaioat 90+2'minutes17Machado TrincãoSubstituted forDias Fernandesat 76'minutes10EdwardsSubstituted forGomes Lourençoat 90+2'minutes28Pereira GonçalvesSubstitutes
6Alexandropoulos12Israel16Costa Rocha18Fatawu20Dias Fernandes22Eusébio Paulo33Gomes Lourenço47de Sousa Esgaio63Martinez Marsà71Basilua Jacinto NázinhoTottenham
Formation 3-4-2-1
1Lloris
17Romero15Dier33Davies
12Emerson Royal5Højbjerg30Bentancur14Perisic
9Richarlison7Son Heung-Min
10Kane
1Lloris17Romero15Dier33Davies12Emerson RoyalBooked at 81mins5HøjbjergBooked at 84mins30BentancurBooked at 61mins14Perisic9Richarlison7Son Heung-MinSubstituted forKulusevskiat 72'minutes10KaneSubstitutes
2Doherty4Skipp6D Sánchez11Gil19R Sessegnon20Forster21Kulusevski24Spence25Tanganga34Lenglet38Bissouma42WhiteLive Text
Match ends, Sporting Lisbon 2, Tottenham Hotspur 0.
Second Half ends, Sporting Lisbon 2, Tottenham Hotspur 0.
Goal! Sporting Lisbon 2, Tottenham Hotspur 0. Arthur Gomes (Sporting Lisbon) right footed shot from the left side of the six yard box to the centre of the goal. Assisted by Paulinho.
Substitution, Sporting Lisbon. Ricardo Esgaio replaces Nuno Santos.
Substitution, Sporting Lisbon. Arthur Gomes replaces Marcus Edwards.
Goal! Sporting Lisbon 1, Tottenham Hotspur 0. Paulinho (Sporting Lisbon) header from the left side of the six yard box to the top right corner. Assisted by Pote with a cross following a corner.
Corner, Sporting Lisbon. Conceded by Hugo Lloris.
Attempt saved. Pedro Porro (Sporting Lisbon) left footed shot from outside the box is saved in the bottom left corner.
Foul by Pote (Sporting Lisbon).
Emerson Royal (Tottenham Hotspur) wins a free kick in the attacking half.
Pierre-Emile Højbjerg (Tottenham Hotspur) is shown the yellow card for a bad foul.
Manuel Ugarte (Sporting Lisbon) wins a free kick in the attacking half.
Foul by Pierre-Emile Højbjerg (Tottenham Hotspur).
Attempt blocked. Nuno Santos (Sporting Lisbon) left footed shot from outside the box is blocked.
Corner, Sporting Lisbon. Conceded by Ivan Perisic.
Emerson Royal (Tottenham Hotspur) is shown the yellow card for a bad foul.
Nuno Santos (Sporting Lisbon) wins a free kick in the defensive half.
Foul by Emerson Royal (Tottenham Hotspur).
Offside, Tottenham Hotspur. Dejan Kulusevski tries a through ball, but Emerson Royal is caught offside.
Paulinho (Sporting Lisbon) wins a free kick in the attacking half.
