Although the Reds earned three points with a 1-0 victory over Fulham on the opening night, the manager feels there is a lot more to come from his side as we integrate the new signings and play the sort of football he wants to see.
So much of the attention at Carrington in the build-up to the Amex Stadium clash (12:30 BST kick-off) has been trained on fixing the 'problems' he has identified from the Old Trafford performance, which saw debutant Joshua Zirkzee grab the all-important goal late on.
Speaking to MUTV's Zarah Connolly at the Jimmy Murphy Centre, Ten Hag said: "We have to improve and there are elements that should be better.