There are NO ground tickets sold. You MUST buy a ticket for either Centre court or National Bank court to get inside the park.
Saturday and Sunday (qualies) : You can get in free BOTH days. They will be giving 300-level tickets (Centre court).
Matches are usually played on 4 courts : Centre court, National Bank court, court 5 and court 9.
If you need additionnal info, let me know !
Can't wait ! I'll be there all week