The big question for the Danes is whether Kasper Hjulmand goes with a three- or four-man defence for the tournament.
A 3-4-2-1 formation brought great success at last year’s Euros but the return of Christian Eriksen has seen a 4-3-3 setup deployed too, the midfielder joined by Pierre-Emile Hojbjerg and Thomas Delaney in the middle of the park.
Brentford winger Mikkel Damsgaard is competing to feature from the start in Al Rayyan with Andreas Skov Olsen also set to provide the ammunition for Martin Braithwaite or Kasper Dolberg up top.
Manchester United youngster Hannibal Mejbri, on loan at Championship club Birmingham, is aiming to break out at this World Cup for Tunisia.
Jalel Kadri has an experienced attack to pick from including Wahbi Khazri, Naim Sliti and captain Youssef Msakni.
Arsenal defender Omar Rekik is absent from the World Cup due to injury.
Starting Denmark XI: Schmeichel; Andersen, Kjaer, Christensen, Kristensen, Maehle; Hojbjerg, Delaney, Eriksen; Olsen, Dolberg,
Starting Tunisia XI: Dahmen, Abdi, Talbi, Meriah, Bronn, Draeger, Laidouni, Skhiri, Slimane, Msakni, Jembali