Mory Diaw took the starting spot for Senegal after Edouard Mendy suffered a knee injury.
Senegal held a two-goal lead over Belgium until late in the second half.
A miscalculated aerial punch by Diaw allowed Youri Tielemans to equalize for Belgium.
The match highlights the high-pressure stakes for Mory Diaw during the 2026 World Cup tournament.