Marin Cilic
The number third-seeded Marin Cilic started the year with an impressive performance but since then, he hasn't been able to capitalise on it. The Croatian will face either Fernando Verdasco or Pablo Cuevas in the opening round, which poses a huge threat to his campaign.
If he passes the opening test, he is likely to face Milos Raonic in the third round. The Aussie Open runner-up needs to be consistent with his groundstrokes and minimise the unforced errors.
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Edited by Rajdeep Puri