![Grigor Dimitrov of Bulgaria in action against Dennis Novak of Austria during round one, on day one of the Australian Open tennis tournament, in Melbourne, Monday, January 15, 2018. (AAP Image/Joe Castro Grigor Dimitrov of Bulgaria in action against Dennis Novak of Austria during round one, on day one of the Australian Open tennis tournament, in Melbourne, Monday, January 15, 2018. (AAP Image/Joe Castro](https://c8.alamy.com/comp/2JXC7EY/grigor-dimitrov-of-bulgaria-in-action-against-dennis-novak-of-austria-during-round-one-on-day-one-of-the-australian-open-tennis-tournament-in-melbourne-monday-january-15-2018-aap-imagejoe-castro-2JXC7EY.jpg)
Grigor Dimitrov of Bulgaria in action against Dennis Novak of Austria during round one, on day one of the Australian Open tennis tournament, in Melbourne, Monday, January 15, 2018. (AAP Image/Joe Castro
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