Rafael Jodar Faces Criticism for Ball Kid Incident at Shanghai Masters

• Rafael Jodar faced criticism for swearing at a ball kid during the Shanghai Masters.
• John Isner commented on the incident, suggesting people need to calm down.
• Jodar received a code violation for unsportsmanlike conduct.
• The incident occurred during Jodar's fourth-round clash with Botic van de Zandschulp.
• This is not the first time Jodar has faced criticism for his behavior on court.