The Serbian participant, a two-time champion at Roland Garros, defeated Kovacevic 6-3, 6-2, 7-6 (7-1) on Monday.
Djokovic comfortably sailed by means of the primary two units, however encountered some resistance from the 24-year-old American within the third set.
Regardless of Kovacevic’s effort, his lack of expertise turned evident in the course of the tie-break on the famend clay court docket.
The match concluded with Djokovic clinching victory on his first match level, because of a scintillating service return.
Djokovic will subsequent face Hungarian Marton Fucsovics as he vies for a spot within the third spherical of the event.