petervcpt:
Guys, if you have an issue with a player, please report it to Customer Services.
Those guys are good and will respond very quickly.
+1
Also please take screen shots of the abuse and send that in. Without proof there is little they can do.
If they are being dicks by using up time, hitting the ball back and forwards, there is not much you can do, apart from block and keep that mental note. But wait it out, they usually can't as they have the attention span of an single cell organism.