The 27-year-old returned from an extended break earlier this week following Belgium's run to the semi-finals of the World Cup.
Hazard scored the winning penalty as Chelsea ended their pre-season with a shootout victory over Lyon at Stamford Bridge on Tuesday evening, with Blues supporters offering the playmaker a rapturous reception when he was introduced as a substitute. The Chelsea midfielder had been the subject of interest from Real Madrid this summer but Sarri confirmed he has had talks with the attacker more than once, suggesting the "problem" surrounding his future has been resolved.
Speaking after Tuesday's game Chelsea's head coach said: "I don't see a problem in this moment.