San Martin San Juan came from two goals down to defeat 10-man Olimpo 3-2 in a close-fought Argentinian Clausura encounter.

Martin Guedes scored after nine and 51 minutes to put visitors Olimpo in charge of the game.

Sebastian Penco and Gaston Capari brought the home side level before a late Christian Alvarez penalty sealed the comeback win.

To make matters worse for the visitors they had Gabriel Diaz sent off in stoppage time.