Tunisia pulled one back one back through Dylan Bronn in the 18th minute.
A win today against Tunisia and Belgium will be basically through to the last 16.
FIFA World Cup 2018 Live, Belgium vs Tunisia: Tunisia team in training ahead of Belgium contest.
Belgium against Tunisia was full of stats.
"We knew that if we scored early, the game would be easy", Hazard said.
An extra time goal by Wahbi Khazri though a plus for the Tunisians merely reduced the tally but removed nothing from the defeat which has now confirmed their exit from the world cup.
A lot of the drama at this World Cup has had little to do with the football so far. Sliti starts on the bench after Tunisia's 2-1 defeat by England, while Farouk Ben Mustapha stays in goal after coming on when Mouez Hassen was injured.
Belgium who are through to the next round will face England in their last group fixture next Thursday.
Belgium, ranked third in the world, reached the quarter-finals of Brazil 2014 and are aiming to match their previous best of reaching the semi-finals at Mexico 1986.
Belgium almost answered several times in the remainder of the first half, with Hector Carrasco and Axel Witsel both missing quality chances.
- NASCAR Driver's Father Rushed Onto Track To Pull Him From Burning Car
- First Signs Of Strain Show Between English Team And Their Media
- Trump threatens 20 per cent tariff on European Union cars
- 'Game of Thrones' co-stars Kit Harington, Rose Leslie Wednesday
- To tackle cheating, Algeria suspends internet services during school exams
- Reuniting Families Separated at Border Could Take Months, Federal Officials Said
- Melania Trump wears ‘I really don't care' jacket before visiting migrant children
- Last gasp Shaqiri seals Swiss win over Serbia in Group E
- Herpes Virus May Play Role in Alzheimer's Disease
- Game of betroths: Kit Harrington set to Wednesday co-star