Mauricio Pochettino's men, who sit second in the Premier League standings, heaped the pressure on leaders Chelsea after they defeated Watford 4-0 in the Saturday lunchtime kick-off.
The result meant Chelsea arrived to the Vitality Stadium for their game with Eddie Howe's Bournemouth side, which began at 5.30pm, knowing that defeat would hand Tottenham hope in the race for the Premier League title.
But an own goal from Adam Smith along with fine efforts from Eden Hazard and Marcos Alonso ensured Antonio Conte's men restored their seven-point lead over Spurs.
And after the match, Hazard revealed the Chelsea players had known about Tottenham's victory earlier in the day, but said the Blues overcame a massive hurdle in the Premier League title race by still beating Bournemouth.
"We passed a test. We knew the result of Tottenham before the game and today we deserved to win," the Belgian told BT Sport.
"It's more easy to control the game when you score first but at the end of the first half we were a little bit down. But in the second half we did well to control the game.
"We have to believe in everything. Now is one step closer to the title and we have seven games left."