Goals from David Luiz and Edinson Cavani helped Paris St Germain reach the semi-finals of the French Cup with a 2-0 win over Ligue 1 rivals Monaco at the Parc des Princes on Wednesday . Three days after the two teams played out a dull 0-0 league draw , they put on a much more entertaining spectacle . PSG , however , never looked under threat and recorded a morale-boosting victory ahead of next week 's Champions League last-16 return leg against Chelsea . David Luiz ( right ) celebrates with his team-mate Edinson Cavani ( right ) after scoring in the third minute . PSG midfielder Adrien Rabiot ( left ) tussles for the ball with Monaco forward Nabil Dirar ( right ) David Luiz lost his marker to head home from close-range early in the first-half and give PSG a 1-0 lead . PSG winger Ezequiel Lavezzi ( left ) controls the ball at the Parc des Princes on Wednesday night . Centre back Luiz headed home from Ezequiel Lavezzi 's free kick in the third minute as PSG made the perfect start against Monaco , whose coach Leonardo Jardim had made seven changes from the team who played on Sunday . They doubled the lead seven minutes into the second half , with Marco Verratti setting up Cavani in the penalty area to beat Maarten Stekelenburg with a low shot . PSG continued to dominate and Javier Pastore and Cavani both hit the woodwork . Uruguayan forward Edinson Cavani ( right ) rounds Monaco goalkeeper Maarten Stekelenburg to score . Monaco's Geoffrey Kondogbia ( left ) comes in with a challenge on PSG 's Lavezzi during the French Cup . Monaco , who beat Arsenal 3-1 at the Emirates Stadium in their Champions League last 16 first leg last week , were never in contention and seemed short on ideas as they struggled for a foothold in the final 10 minutes . St Etienne reached the last four on Tuesday by beating third division Boulogne on penalties . Stade Brest take on Auxerre in an all Ligue 2 clash and amateurs Concarneau , who play in the fourth division , host Guingamp on Thursday . Monaco 's Nigerian defender Elderson Echiejile ( left ) dribbles away from PSG defender Marquinhos ( right ) Following their 2-0 home win on Wednesday night , PSG are through to the semi-finals of the French Cup .
PSG defeated Monaco to reach the semi-finals of the French Cup . David Luiz gave PSG the lead in the third minute with a close-range header . Edinson Cavani slotted home a composed low finish in last 16 next week . PSG travel to Chelsea in the Champions League 's the second half .