Ohh - he is plaing in Sofia? Bulgarians, will be there tikets? Are you well informed?
Maybe I can go from 2 to 4 of may... if I find airplane tickets.
But why the davis cup starts on thursday?
Maybe it's a madness - for me it would be so difficut to manage that days...
The matches start from Thursday, because in the 3rd Europe group there're 4 groups and every nation is playing vs. the others in the group in 3 days. When the matches are over the winners of the four group meet on Sunday in two matches to decide which two nations will advance to 2nd Europe/Africa zone in 2013
About the tickets - I have no idea, because I'm not from Sofia, but I think they can be bought there before the matches
And it's still not 100% sure that Grigor will play. He needs it to have a chance of playing the Olympics, but he might decide not to, because he will need anyway to get a lot of points until Roland Garros.
And also at that weekend he should play qualies in Madrid, so he should choose between the two tournaments. We will see