Novak Djokovic plans tests on 'concerning' head injury after crushing Italian Open loss
![Novak Djokovic plans tests on 'concerning' head injury after crushing Italian Open loss](https://i2-prod.mirror.co.uk/incoming/article32793662.ece/ALTERNATES/s615/0_NovakDjokovic.jpg)
The world No.1 was beaten in just 67 minutes by Chile's Alejandro Tabilo in Rome on Sunday, with the six-time champion enduring a nightmare day - just two days after being struck in the head by a bottle