It’s not even a debate, Klopp already has a title to his name this season so losing a match to Ten Hag doesn’t justify that Ten Hag is a better coach than Klopp. Ten Hag has achieved nothing for Manchester United since his arrival and he is barely making it to the top 4, he even got eliminated in the Champions League this season and they are having a very inconsistent performance this season which proves how terrible of job he is doing at United.
Klopp have achieved alot for Liverpool so far and it would be difficult for the club to forget all he has done for them, i think they are lucky to have him and he will be missed when he leaves the club. He has won a trophy already this season and he is currently challenging for the premier league title and also one of the favorites to win the Europa League title if all things goes well till the end of the season so there is no way you can compare both managers and decide that the winner of the tie between them is the better coach. Their performance as a coach should be judged based on the success achieved throughout the whole season.
Where are the ideas come from comparison between Jurgen Klopp with Erik ten Hag? I think its not related when comparison with the best manager Erik ten Hag after success eliminating Liverpool on FA Cup quarter final round. Did any remember how many trophies won by Erik ten Hag since becoming Manchester United manager last two season? become the first manager made Manchester United failed in Champion League group phase and this season get potential loss Champion League spot standings. I think the winning against Liverpool on FA Cup is not related comparison by looking current standings of Manchester United in Premier League.
No debate, Juergen Klopp have won Champion League and Premier League trophies is better than Erik ten Hag not winning any competitive trophies yet since become Manchester United manager.