they actually can change the seedings. All grand slams can if they choose... per the grand slam Rulebook, the selection of seeds will beat the discretion of each individual grand slam tournament committee; however, the computer ranking list shall be a primary, but not sole basis for such selection.
two parts, and I apologize for not reading the whole thread, but I have a feeling that you are talking about one of two things.
1. He couldn’t challenge because he played the shot. If it had been a winner by him or if he caught it or let it go then challenged it would be fine. But by Playing...
slammed a racket down and it bounced up and hit a line umpire in the head... made him bleed a bit... luckily not serious injury and it was completely accidental that he hit someone, but clear default
Yes Agassi twice,
Marcelo Rios Was defaulted from LA.
Richard Gasquet was defaulted from US Open qualifying or juniors (forget which) years ago when he was young...
read the context of the post again... I was responding to someone who said he should have gotten a game penalty, and I said that I’d they didn’t default him they could only give a point penalty because he had a warning earlier...