Eden Hazard won and converted an early penalty after being brought down by Syam Ben Youssef in Moscow. Romelu Lukaku doubled the lead with a cool finish in the 16th minute after being played in by Dries Mertens.
Dylan Bronn pulled one back with a glancing header past Thibaut Courtois from Wahbi Khazri‘s free-kick. Lukaku restored his side’s two-goal lead with a cheeky finish after being played through by Thomas Meunier.
Hazard bagged his second after rounding Ben Mustapha following a ball over the top from Toby Alderweireld. Michy Batshuayi missed two glorious chances before netting a fifth with a first-time finish in the 90th minute.
Khazri bagged a consolation for Tunisia with almost the last touch of the game at the Spartak Stadium.