The meeting took place in London and ended with a score of 2: 1 in favor of the hosts.
The guests took the lead in the 33rd minute - Erik Lamela scored with a rabona kick.
The Gunners won back before the break - Martin Edegaard scored (44 ').
In the 64th minute, Alexander Lacazette converted the penalty and brought Arsenal the victory.
Moreover, "Tottenham" finished the match in the minority, as in the 76th minute Lamela was sent off.
Arsenal scored 41 points and moved up to ninth in the England league table.
Tottenham (45 points) are in seventh position.
Earlier it was reported that a hat-trick of Kelechi Iheanacho helped Leicester defeat Sheffield and climb to second place in the Premier League.