India, Oct. 27 -- Matteo Berrettini's reaction to a question about Lorenzo Musetti has added fresh fuel to rumours of a possible fallout between the two Italian tennis stars. The moment came at the ATP 500 Vienna Open on Monday, October 26, after Berrettini defeated Tomas Martin Etcheverry 6-3, 6-4 in his opening match.

Asked whether Musetti's recent title win in Lyon could inspire him, Berrettini appeared caught off guard and asked the interviewer, "Are we live?"

When the interviewer confirmed that they were, the Italian eventually replied: "Well, alright then. I know he worked really hard to come back, and I guess he deserves it."

Although Berrettini acknowledged Musetti's achievement, his hesitation caught the attention of tennis fa...