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.