Roger Federer is starting to fade quickly as age catches up with him. With a new breed of younger stars coming through, it's not just Federer who is finding it hard to keep pace.
These veterans have all had their day in tennis. But now they are desperately clinging to what form they have as they fade away into tennis obscurity.
Some will keep playing until they can play no more, whilst others will take the easy option and retire when things don't go their way. Fact is, these guys aren't going to win anything the way things are going.