Hmm well, you can buy online on different websites, but they are so expensive.
In the mail I received from Roland Garros they mentioned that I could still buy tickets on fft.fr, but I have been looking and it seems like it´s not possible. I e-mailed them, so awaiting an answer. I guess there is nothing else to do than buying at the ticket office at the tournament site.
- probs to Del Potro!