Bellucci, ranked No. 92, beat world No. 97 Walton 7-5, 6-2, according to api.tennis.
In the previous round, the Italian defeated Alexandre Muller 6-0, 6-3, while Walton came through Moise Kouame 6-1, 6-4 to set up this meeting.
This was the fourth meeting between the two players, and Bellucci has won all four, according to api.tennis.