Tennis: Unseeded Borna Coric shocks Roger Federer in Halle Open final
21-year-old Coric won the first set in tie-break.
Federer won the second set 6-3.
Borna Coric beats Roger Federer 7-6, 3-6, 6-2.
Roger Federer missed out on his 10th Halle title and lost his world number one ranking.