Multiple choice general knowledge sports Who is responsible for the mishaps caused by the ballpersons in grand slam matches? the chair umpire the ballpersons themselves no one takes the responsibility none of the above Reveal answer Fill a bubble to check yourself A Correct answer Explanation In Grand Slam tennis tournaments, the chair umpire is the ultimate authority on court and is responsible for all official decisions, including any mishaps caused by ballpersons. The umpire has the final say on rulings and match conduct.