By Mike Dickson for The Mail on Sunday
Published: 10:33 GMT, 1 February 2020 | Updated: 10:36 GMT, 1 February 2020
If Dominic Thiem manages to upset Novak Djokovic in Sunday's Australian Open final he will do so with the unusual distinction of having fired a high-profile coach halfway through the tournament.
His decision to dispense with Thomas Muster, former French Open champion and a rare Austrian tennis legend, after the second round has been a sensitive subject during his run.
Thiem has largely kept his head down on the matter, amid the suggestion that this decisive act seems to have bolstered him in overcoming such challenges as Rafael Nadal in the quarter finals.
Dominic Thiem made a coaching split after the Australian Open had already commenced
Thomas Muster was axed by the Austrian but the move has rarely been discussed by Thiem
On Saturday, Thiem's father Wolfgang, a coach who taught him the game in the small eastern town of Lichtenworth, shed more light on the matter.
It appears that the notoriously strong-minded Muster may have been a little too vocal too soon, hence the decision of the world No 5 to stick with his Dad and regular coach, the former Chilean player Nicolas Massu.
'For me the most important thing is that the coach understands what the player needs and not that the coach wants to make a copy of himself,' said Thiem Sr.
'Dominic is already 26, so he has his personality. This was for me the main point, that Dominic needs someone who gives him the free space to develop, to play his game.
After he reached the