Wattimena was quick fire in his victory over Kevin Garcia which saw him average just under 99 and take care of business in less than ten minutes in an exhibition of finishing where he hit just under 50 percent compared to Garcia who only had two attempts at the double.
Sedlacek on the other hand pleased his home crowd support with an impressive 6-5 win over Brendan Dolan which ended Dolan's hopes of making the World Matchplay.
'Evil Charlie' hit 60 percent on his doubles in another brilliant European Tour performance and similar to Per Laursen in Denmark, he will hope to harness the crowd support he is bound to get tomorrow.
Finally Cadby made his long-awaited European Tour debut and produced a stunning display to thrash Dutch youngster Wessel Nijman in a whitewash win.
'The King' pounced on a poor performance from Nijman and was his confident self back on the big stage for the first time since the UK Open last year.
This included two 180's in which for one of them, he celebrated so much he twisted his ankle on the oche but it will be a battle of the World Youth Champions tomorrow as he takes on Michael Smith in a mouth watering prospect in Prague.
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Danny Noppert (99.53) 6-2 (77.7) Stefan Bellmont
Madars Razma (92.01) 4-6 (95.23) Justin Pipe
Jermaine Wattimena (98.02) 6-0 (77.9) Kevin Garcia
Karel Sedlacek (87.19) 6-5 (89.78) Brendan Dolan
Wessel Nijman (77.78) 0-6 (92.97) Corey Cadby
14:30 William Borland v John Henderson
15:30 Ondrej Pisek v Keegan Brown
16:00 Andrew Gilding v Rowby-John Rodriguez
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