https://www.techradar.com/news/belgium-vs-tunisia-live-stream-how-to-watch-todays-world-cup-match-online

This Group G game is taking place in the Russian capital of Moscow at the Spartak Stadium, which sits in the North West of the city. 

This game is set to kick-off at 3pm local time. So that's 1PM BST (and Tunisia), 8AM ET, 5AM PT or 8PM AEST on June 23. If you live in Belgium you'll be need to tune in at 2PM by your clock.