Tembah Report: Managers with the most wins in the 21st century 

The Spanish newspaper "AS" reported that Carlo Ancelotti is the most successful coach in football history; having won 618 games out of 1023 games he has managed in his coaching career, with a win rate of 60.4%.
Managers with the most wins in the 21st century (Europe's top five leagues) It's a testament to the longevity of Ancelotti and Wenger that they have both managed over 1000 games each, and so it's no surprise that the two top the list with Ancelotti edging out Wenger by 23 victories. 
Ancelotti surpassed Arsene Wenger, with 603 out of 1032 matches, to become the Italian coach with the most victories in the 21st century.

Coaches with Most Wins:

1.Carlo Ancelotti – 1003 games 611 wins
2.Arsene Wenger – 1002 games 588 wins
3.Pep Guardiola – 759 games 563 wins
4.Jose Mourinho – 891 games 557 wins
5.Sir Alex Ferguson – 725 games 471 wins
6.Jurgen Klopp – 811 games 454 wins
7.Rafael Benítez – 833 games 439 wins
8.Unai Emery – 770 games 413 wins
9.Manuel Pellegrini – 762 games 387 wins
10.Diego Simeone – 596 games 349 wins