Two first-half goals from striker Yusef Ahmed have given Qatar a 2-0 upset win over China and a chance of making the Asian Cup quarter-finals in Doha.
Three-times champions Saudi Arabia were eliminated after their second surprise defeat, a goalkeeping error gifted Jordan a 1-0 victory in Doha.
Jordan have four points from two games in Group B.
Japan beat Syria 2- in a match that exploded into life in the closing stages - each side were awarded a penalty and both teams had a player sent off.
China beat Kuwait 2-0 in their opening game but rarely threatened to score.
Uzbekistan's into the last eight after beating Kuwait 2-1.
And three-time champions Iran top group D after beating Iraq 2-1.