De Decker defeated Lisa Ashton in a commanding 6-2 victory as ‘The Lancashire Rose’ couldn’t make a winning debut in the UK Open on the Main Stage.
Waites is another new Tour Card holder who is through at Minehead after coming through a high quality tie with Damon Heta in a 6-4 win with a 100 average.
Other players through include Karel Sedlacek who eased past Adam Hunt in a 6-0 win, Alan Tabern who saw off Irish sensation Keane Barry.
As well as Steve ‘Bomber’ Brown who missed double 12 for a nine-darter during victory over Michael Barnard.
Cody Harris is not through in the first second round game against Jason Lowe losing out in a 6-1 defeat.
Click here for more information on the event which is known as the FA Cup of Darts.
2020 UK Open Results
Main Stage
Mike De Decker 6-2 Lisa Ashton (R1)
Scott Waites 6-4 Damon Heta (R1)
Kyle McKinstry v Fallon Sherrock (R1)
Scott Baker v Mark McGeeney (R2)
Jeff Smith v John Michael (R2)
David Pallett v Doets/Thompson (R2)
Jason Heaver v McKinstry/Sherrock (R2)
Luke Humphries v Kyle Anderson (R3)
Kim Huybrechts v Robert Thornton (R3)
Josh Payne v Luke Woodhouse (R3)
Stage Two
Cody Harris 6-5 Scott Taylor (R1)
Kai Fan Leung 6-3 Kelvin Self (R1)
Karel Sedlacek 6-0 Adam Hunt (R1)
Alan Tabern 6-2 Keane Barry (R1)
Andy Hamilton v Patrick Lynskey (R1)
Marko Kantele v Dirk van Duijvenbode (R2)
Scott Waites v Geert Nentjes (R2)
Daniel Larsson v Mike De Decker (R2)
Bradley Brooks v Nick Kenny (R2)
Ryan Searle v Cristo Reyes (R3)
William O'Connor v Jan Dekker (R3)
Vincent van der Voort v Smith/Michael (R3)
Van Trijp/Borland v Larsson/Meikle/De Decker (R3)
Stage Three
Steffen Siepmann 6-4 Krzysztof Kciuk (R1)
Peter Jacques 6-4 Ciaran Teehan (R1)
Steve Brown 6-5 Michael Barnard (R1)
Daniel Larsson 6-5 Ryan Meikle (R1)
Harry Ward v Gavin Carlin (R2)
Kirk Shepherd v Kai Fan Leung (R2)
Karel Sedlacek v Barrie Bates (R2)
Rhys Hayden v James Richardson (R2)
Ron Meulenkamp v Richard North (R3)
Jones/Blades/Whitehead v Steve West (R3)
Devon Petersen v Brooks/Kenny (R3)
Justin Smith/Harms v Atkins/Bunse (R3)
Stephen Burton v Heaver/McKinstry/Sherrock (R3)
Stage Four
Jason Askew 6-4 Greg Ritchie (R1)
Jason Heaver 6-0 Jesus Noguera (R1)
Adam Smith-Neale 6-4 Ben Cheeseman (R1)
Nathan Rafferty 6-3 Darren Beveridge (R1)
Andy Boulton v Reece Robinson (R2)
Nathan Derry v Maik Kuivenhoven (R2)
Justin Smith v Wesley Harms (R2)
Telnekes/Kleermaker v Madars Razma (R2)
Jamie Lewis v Ross Smith (R3)
Evetts/Van Peer v James Wilson (R3)
Steve Lennon v Brown/Tabern (R3)
Mickey Mansell v Zonneveld/Hamilton/Lynskey (R3)
Stage Five
Stephen Burton 6-1 Adam Huckvale (R1)
Rhys Hayden 6-5 James Clark (R1)
Bradley Brooks 6-5 Cameron Menzies (R1)
Harald Leitinger 6-1 Kevin Burness (R1)
Jonathan Worsley v Matt Clark (R2)
Carl Wilkinson v Steffen Siepmann (R2)
Ted Evetts v Berry van Peer (R2)
Steve Brown v Alan Tabern (R2)
Justin Pipe v Shepherd/Leung (R3)
Ryan Joyce v Jacques/Teehan/Meeuwisse (R3)
Jose De Sousa v Williams/Gray (R3)
Van Duivenbode/Rafferty v Jamie Hughes (R3)
Stage Six
Wesley Harms 6-3 Aaron Beeney (R1)
Danny van Trijp 6-4 Boris Koltsov (R1)
William Borland 6-2 Andrew Davidson (R1)
Lewis Williams 6-5 Robert Owen (R1)
Jason Lowe 6-1 Cody Harris (R2)
Martin Atkins v Christian Bunse (R2)
Mike van Duivenbode v Nathan Rafferty (R2)
Niels Zonneveld v Hamilton/Lynskey (R2)
Derry/Kuivenhoven v Gabriel Clemens (R3)
Darius Labanauskas v Kantele/Van Duijvenbode (R3)
Hayden/J Clark/Richardson v Toni Alcinas (R3)
Matthew Edgar v Smith-Neale/Rydz (R3)
Stage Seven
Martin Atkins 6-5 Ryan Murray (R1)
Callan Rydz 6-5 Shane McGuirk (R1)
Wayne Jones 6-1 Gary Blades (R1)
Berry van Peer 6-3 Owen Roelofs (R1)
Jason Askew 6-5 Rowby-John Rodriguez (R2)
Jacques/Teehan v Yordi Meeuwisse (R2)
Lewis Williams v Adrian Gray (R2)
Harald Leitinger v Joe Murnan (R2)
Martin Schindler v Benito van de Pas (R3)
Baker/McGeeney v Boulton/Robinson (R3)
Worsley/M Clark v Harris/Lowe (R3)
Telnekes/Kleermaker/Razma v Waites/Nentjes (R3)
Stage Eight
Justin Smith 6-3 Andy Jenkins (R1)
Derk Telnekes 6-3 Martijn Kleermaker (R1)
James Richardson 6-4 Darren Penhall (R1)
Kevin Doets 6-1 Alfie Thompson (R1)
Stephen Burton 6-4 Vincent van der Meer (R2)
Wayne Jones v Conan Whitehead (R2)
Danny van Trijp v William Borland (R2)
Adam Smith-Neale v Callan Rydz (R2)
Jelle Klaasen v Jason Askew (R3)
Ward/Carlin v Wilkinson/Siepmann (R3)
Pallett/Doets v Simon Stevenson (R3)
Sedlacek/Bates v Leitinger/Murnan (R3)