Paulinho tried his luck from distance, but his long-range effort went wide of the post.
Steven Fletcher had the first real chance on goal, chasing a long ball over the top before dragging a shot wide.
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The chances were flowing now, even if accuracy was missing. This time, Jack Colback received the ball at an acute angle but then proceeded to smash his shot over the bar.
It was the away side's turn again minutes later. Lennon found Paulinho, who brought the ball down before seeing Mannone save his shot.
Perhaps the best of the lot fell to Chadli. The midfielder rose highest from a corner, only to head straight into the arms of Mannone.
However, Spurs were not behind for long. A free kick was headed back across goal by Chadli and Paulinho poked the ball past Mannone.