There's been no secret formula, ... No one's been able to find the exact formula to topple him just yet.

It's a matter of putting as much pressure on Roger as possible, ... No one has been able to find the exact formula to topple him.

We just did what no one else at Eisenhower had been able to do. But we aren't through yet. We've got some more things to prove and it starts next week.

It's nice to be through to another semifinal, another tough match, ... Every match gets tougher.

Nine times out of 10, if you're going to win the tournament, you're going to have to come up against Federer at some stage, ... It's not something you focus on. ... I just want to get the (next) win on the board.

He was just bunting the serve back, waiting for a short ball to pounce on and I got the perfect reply that I wanted, ... If I had served better it would have given me more opportunities to mix it up a lot more.