Choosing the worst tennis parents is a challenge in a sport where players' mothers and fathers have gained notoriety for their repulsive and exploitative behavior.
Three of the 10 people mentioned in ESPN's list of "sports' most harmful relatives" were the fathers of tennis players.
Our list includes parents whose actions either created a negative public image for themselves or made things difficult for their tennis-playing children. Often it was both.
Andre Agassi's father and Martina Hingis' mother were among those who played ambiguous roles in their children's careers. They were considered, but did not make the cut for our list of the 10 worst tennis parents.