There's no weakness to speak of, ... You play a bad match...

There's no weakness to speak of, ... You play a bad match against Pete, you lose 6-4, 7-5. You play a good match against Pete, you lose 6-4, 7-5. You play a good match against Federer, you lose 6-4, 7-5. You play a bad match against Federer, you lose 1 and 1.