Actually, at the most important events, there is live HD streaming from channels like Eurosport, and that confirms once again what brabhamista has said before. The real problem is that when no channel wants to buy the broadcasting rights, we don't have the opportunity to watch HD matches, and, unfortunately, that happens at all events, except for the biggest ones like WTTC. Even Eurosport seems not to have too much interest in streaming table tennis. If I remember correctly, some of the major matches at the most recent WTTC weren't streamed live, even if they were in a pretty advanced stage.