As to my understanding tickets are available in all major shopping malls.

here link to the schedule of games

http://www2.qfa.com.qa/dl/emircupdraw.pdf

Upcoming matches
Teams Date&Time Stadium

Al-Rayyan
Vs
Al Wakrah
09/05/2009
05:15
Thani Bin Jassim Al Thani

Qatar
Vs
Al Arabi
09/05/2009
08:15
Thani Bin Jassim Al Thani

Al Saad
Vs
Al Ahli
10/05/2009
05:15
Hamad Stadium

Al-Gharafa
Vs
Al Khoor
10/05/2009
08:15
Hamad Stadium

Try contacting QFA

Tlf: 4944411
Fax: 4944414/24
Email: [email protected]

Regards!!