The four teams still in with a chance of making the semis are Clarendon Gaters, Manchester Spurs, Under-21 Suns and Kingston Humming Birds.
All with the exception of Kingston Humming Birds will be in action on Wednesday.
The Under-21 Suns, who are in joint fourth place with Kingston Humming Birds, will play third place St James Sharpes in the opening game on Wednesday at 6:00 pm.
The second game is scheduled to start at 7:30 pm and features bottom place Clarendon Gaters and second-from-the-bottom Manchester Spurs.
Tournament leaders St Ann Orchids and second place St Catherine Racers have already qualified for the semis.
WEDNESDAY'S GAMES (LEILA ROBINSON COURTS)
Under-21Suns vs St James Sharpes at 6:00 pm
Clarendon Gaters vs Manchester Spurs at 7:30 pm