Leaders Manchester City were held to a 0-0 draw at Crystal Palace on Monday as the Premier League title race took yet another dramatic twist.
With nearest challengers Liverpool having cut the gap to three points with their victory at Brighton and Hove Albion on Saturday, the champions dominated in the first half at Selhurst Park, but could not find a breakthrough.
The post was rattled in the first half by Joao Cancelo and again after the break by Kevin De Bruyne as City continued to be frustrated.
Pep Guardiola's men threw everything at Palace late on, but could not find a winner as they dropped two valuable points in their quest to make it four league titles in the last five seasons.
The stalemate means Liverpool can close to within one point of City if they win their game in hand against Arsenal on Wednesday, raising expectations the title race will go right to the wire.
Palace stretched their unbeaten run to five games in all competitions to stay 11th.
Al Ain crushed 10-man Yokohama F Marinos 5-1 in the second leg of the Asian Champions League final on Saturday to register a 6-3 aggregate win and their first continental title in 21 years.
Fourteen-time French Open champion Rafa Nadal said there was still a chance this year's tournament in Paris may not be his last in comments ahead of his tough opener against fourth seed Alexander Zverev.
Outgoing Barcelona manager Xavi Hernandez said he was proud of his achievements with the club and was looking forward to being a fan again as he prepares to coach his final game against Sevilla.
World number one Novak Djokovic does not consider himself a favourite ahead of his title defence at the French Open, which begins with a first-round match against local hope Pierre-Hugues Herbert on Sunday.