It also afforded him the chance to improve his players’ fitness levels, with 13 managing to play 90 minutes across the two games.
It means the United manager should have a better idea at this stage what his first-choice line-up looks like, with the summer arrivals of Tyrell Malacia, Christian Eriksen and Lisandro Martinez providing more options.
There could be further incomings before the market shuts, with Frenkie de Jong continuing to be strongly linked with a move to the Red Devils.
Ten Hag is known to be a huge admirer of the Barcelona midfielder, whom he managed at Ajax.
Should De Jong join United, it would likely be the final piece of the jigsaw for the new United boss, following a pre-season which has given fans real insight into what he feels is his strongest XI.
The team which started against Atleti is the basis for that team, although several players were absent due to illness, while Eriksen and Martinez were never going to start given their recent arrivals.
But based on Ten Hag’s pre-season comments and team selections, here is what we feel the 52-year-old’s first-choice XI looks like…