The 20-year-old was deployed on the right side of a back three by Wales caretaker manager Robert Page, taking one knock during what was a very uneventful opening to the game.
Ampadu was withdrawn at the break and Wales improved after it having switched to a 4-2-3-1 shape, but it still took them until the 73rd minute to register their first shot on target.
They begin their Euro 2020 campaign against Switzerland in Baku next Saturday.
Both Thiago Silva and Edouard Mendy were not involved for Brazil and Senegal as they beat Ecuador and Zambia respectively, although our keeper did receive a real hero’s welcome upon his arrival in Dakar earlier this week. They play Cape Verde on Tuesday, while Brazil have another World Cup qualifier to look forward to, against Paraguay on Wednesday.