The 14-time Roland Garros winner rallied for a 4-6, 6-3, 6-4 win over Belgian qualifier Zizou Bergs in the first round of the Italian Open.

The 22-time Grand Slam champion feels he has held back as his comeback got underway in Barcelona and Madrid, but vows to go full out at the Internazionali BNL d’Italia.

The 10-time champion rallied from a set down to defeat the Belgian qualifier and advance into the second round of the Internazionali BNL d’Italia.

The top-seeded American advanced to his first clay court quarterfinal on the ATP Tour with a 3-6, 6-4, 6-3 win over Bergs on Wednesday night in Houston.

Bergs took his interview question in an unexpected direction at the Fayez Sarofim & Co. U.S. Men's Clay Court Championship, where he booked a second-round clash against top seed Ben Shelton.

The American revealed he's been dealing with "wrist issues" since the summer that he attributes to ball changes.

The Serbian and fellow qualifier Zizou Bergs reached maiden ATP quarterfinals on Wednesday.

The Belgian rising star has been donating tennis clothes and equipment to the African nation of Burundi for the last eight years.

The Belgian youngster edged past some impressive opposition and thrived in the lightning-quick format.