Roma and Juventus both enjoyed 5-0 league wins this afternoon, but leaders Inter Milan will go into the final game of the season a point clear after defeating Piacenza 3-1.
All three teams remain in the title race, with Inter leading on 69 points from Juventus on 68 and Roma on 67.
Superb free-kicks from Alvaro Recoba and Ronaldo gave Inter victory after Brazilian Francelino Matuzalem had cancelled out Ivan Cordoba's opener for Inter.
Piacenza ended the game with nine men after they had Vincenzo Sommese and Matuzalem sent off.
David Trezeguet scored three and Alessandro Del Piero two as Juventus crushed lowly Brescia 5-0 at the Delle Alpi stadium.
Italy international Vincenzo Montella grabbed a hat-trick for Roma as they cruised to a 5-0 win over Chievo.
In the final games next Sunday, all three teams will be away from home: Inter at Lazio, Juventus at Udinese and Roma at Torino.