I think these are the only conditions TL can make it?
If TL wins 2-0 and BBL loses 2-0, TL can qualify.
If TL wins 2-0 and BBL loses 2-1, TL can qualify if TL have a better round differential than BBL.
If TL wins 2-1 and BBL loses 2-0, TL can qualify if TL have a better round differential than BBL.