A brace from in-form forward Marcus Rashford plus a fifth goal of the season from Antony secured the Reds&apos progression, with the Manchester derby next up on Saturday.
Whilst also still competing in both the FA Cup and the UEFA Europa League too, it&aposs been a whirlwind start to life at the helm for Ten Hag, with the exit of Cristiano Ronaldo also swiftly handled back in November.
Reaching 20 wins has seemingly been a walk in the park, with the performances of many new arrivals including Casemiro, Christian Eriksen and Lisandro Martinez a shining light so far this season as the United boss managed the impressive record in just 27 fixtures.
But just how does the Dutchman&aposs first 20 wins compare to some of United&aposs other previous managers?
Sir Alex Ferguson
Losing his first game in charge of United with a 1-0 defeat against Oxford United, Sir Alex Ferguson&aposs record to reach 20 wins stands at 45 games after a somewhat up-and-down start.
Despite losing just one of his opening twelve games in charge, a record of 8 draws from 9 back in October-November of 1988 meant the Scotsman was made to wait until a 3-0 win over Milwall back in January 1989 to claim the feat.
Sir Matt Busby
Leader of the Busby Babes, Sir Matt took just five games less than Sir Alex to reach the 20 mark, but began his tenure with a 2-1 win over Grimsby Town back in 1946.
Finishing runners-up to Liverpool in his first full season as boss, Busby&aposs side followed up the win against the Mariners with wins over Chelsea and Charlton Athletic respectively before a first league title followed in 1951/52.
Taking charge of 144 games for United, Jose Mourinho&aposs record of 31 games to reach 20 wins has only just been beaten by Ten Hag on the list. His first game was a 3-1 win over Bournemouth away from home.
Winning seven of his opening 10 games at the helm, including wins over Leicester City, Hull and Southampton, his 20th win came against the Tigers once more, in a semi-final victory in the EFL Cup.
Louis van Gaal
Ending his reign at Old Trafford with a PPM of 1.81, Louis van Gaal won 54 of his 103 matches in charge of United but lost his opener 2-1 at home against Swansea City.
Taking 36 games in total to reach 20, the Dutchman won just one of his opening six games in charge – before a 3-0 home win against Spurs sealed the deal back in March 2015.
Ole Gunnar Solskjaer
Ole Gunnar Solskjaer will often be remembered as the Reds&apos nearly manager, after leading the side to a Europa League final, whilst also helping them to a record-breaking 29-game away unbeaten streak.
His opening months started as interim boss, recording a 5-1 win over Cardiff back in 2019. Victories over Bournemouth and Huddersfield soon followed before number 20 was brought up during a penalty shootout win over Rochdale in the EFL Cup in just 42 games.