the guy that beat him advanced to the finals in singles and doubles. beat thiem (top10 player)
5 of 7 matches he won easily, only thiem and coric took a set and both of them could won that matches, it was close.
and that guy is 18 while borna is 14. borna played 17 matches in 15 days (untill that match), that is too much. he would win if he wouldn't to tired.