Belgium's David Goffin believes that a player should get disqualified if he hits a ball kid with a tennis ball in the head. Spaniard Roberto Bautista Agut hit a ball kid in the head during his Monte Carlo Masters round-of-16 clash against Goffin.

Goffin broke Bautista Agut for the tjord time in the second take to take a 4-1 lead when the Spaniard cleared a ball from the back -- which proceeded to hit a ball kid in the head. The Spaniard, who was given just a warning for his action, eventually suffered a 6-4 7-5 defeat.

"I just saw the ball directly hitting the ball boy. I was surprised to see he (Bautista Agut) only got a warning. For me, if you send a ball onto the ball boy's head, you're (kicked) off. I don't know what the rules are exactly, how he only got a warning.

He said the ball bounced and the ball boy just happened to be there," Goffin said. The Belgian also added that it was a "bad luck" and "just an incident." No. 6 seed Goffin is due to meet fourth-seeded Grigor Dimitrov in the Monte Carlo quarter-finals on Friday.

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