Adam Sevada and Seth Steffano were winners on the CDC US Tour with the final event set to take place on Sunday.
Sevada saw off Stephen Phillips in the final of Event Four after victories over Gary French with a 101 average and Robbie Phillips in the latter stages.
While in Event 5, Steffano edged past in-form Dutch Dragon, Jules van Dongen who has been in superb form in WDF events in particular. It was a 6-4 triumph for the former.
Danny Lauby leads the standings going into the final day though just ahead of Leonard Gates. The only two players who are battling still for top spot. The victor will join the field for the 2021/22 PDC World Darts Championship.
CDC Tour 4
Quarter-Finals
Stephen Phillips (91.58) 6-5 (96.54) Jules van Dongen
Gary Mawson (89.15) 6-1 (80.55) Bruce Robbins
Gary French (83.59) 6-5 (85.07) Larry Butler
Adam Sevada (86.67) (82.80) Robbie Phillips
Semi-Finals
Stephen Phillips (87.08) 6-3 (88.96) Gary Mawson
Adam Sevada (101.08) 6-2 (83.85) Gary French
Final
Adam Sevada (89.68) 6-4 (79.91) Stephen Phillips
CDC Tour 5
Quarter-Finals
Jules van Dongen (87.18) 6-1 (82.72) Jeremiah Millar
Leonard Gates (95.04) 6-5 (86.96) Gary Mawson
Seth Steffano (78.86) 6-5 (82.39) Alex Spellman
Chuck Puleo (82.87) 6-4 (86.58) Danny Baggish
Semi-Finals
Jules van Dongen (95.81) 6-5 (98.96) Leonard Gates
Seth Steffano (91.30) 6-3 (89.01) Chuck Puleo
Final
Seth Steffano (91.21) 6-4 (90.08) Jules van Dongen