"It's not great feeling when you drop out very early in the tournament," world No. 1 says of slow start to season.
The Greek says that Witt is relaxing to be around - and hilarious.
A candid Naomi Osaka assesses her progress and shares her goal after falling to Elise Mertens.
Coming off successive finals in Mexico, Casper Ruud credits his revival to one major change.
Gael Monfils summed up his comeback win over Cam Norrie with one word.
The pair of fast friends and new mother will clash in the round of 16 at the BNP Paribas Open.
The Greek opens up about his affinity for the single-hander.