Tomane, as he is more commonly known, produced an instinctive toe-poked finished to prod past the advancing Vid Belec in the Olhanense goal to settle the game with just five minutes played after latching on to Rafael Crivellaro's inch-perfect pass.
The third league goal of Tomane's proved the difference as Rui Vitoria's Guimaraes side boosted their European hopes with a win that saw them leapfrog Nacional and Estoril into fourth, seven points behind Porto.
Defeat for Olhanense denied them the chance to haul themselves out of the bottom two.
And a frustrating night was compounded when defender Abdoulaye Ba was given his marching orders for two bookable offences.
Get the best features, fun and footballing frolics straight to your inbox every week.
Thank you for signing up to Four Four Two. You will receive a verification email shortly.
There was a problem. Please refresh the page and try again.