Kyrgios stuns Rublev, Zverev serves up win at Miami Open
Australian wildcard Nick Kyrgios needed 51 minutes to stun world number seven Andrey Rublev 6-3 6-0 and Alexander Zverev's superior serving led to a 6-4 3-6 6-3 win over Borna Coric in second round action at the Miami Open on Friday.


