21.  The group winners and the best second-placed team qualify while the other eight group runners-up would play off for the four remaining places.

22.  The flamboyant American world number eight is one of a dozen men scrambling to fill one of the five remaining places in the Frankfurt draw.

23.  The other eight group runners-up would play off for four remaining places.

24.  The other eight runners-up play off on a knock-out basis for the remaining four places.