STEFAN STOYKE, Mike Holz, Marko Puls and Robert Allenstein were the four Host Nation Qualifiers for the HappyBet German Darts Championship.
Stoyke won a place in his fifth European Tour event as he overcame Andy Krockel, Fabian Herz, Kevin Knopf and Maik Langendorf to progress to a meeting with Andy Smith in Friday's first round.
Holz, meanwhile, will face Eddie Dootson in Hildesheim on Friday after he overcame Daniel Riedel, Orhan Berrak, Marvin Esser and World Youth Champion Max Hopp.
In his previous European Tour appearance at the International Darts Open last month, Holz defeated Michael Barnard in the first round before losing out to Mensur Suljovic.
Marko Puls secured his second European Tour appearance of 2016 with wins over Anton Salge, Frank Gansen, Rene Eidams and Guranakumar Markandu, setting him up for a game with Ron Meulenkamp.
Robert Allenstein, who made his European Tour debut at the European Darts Grand Prix last month, defeated Karsten Kornath, Martin Schindler and Jyhan Artut to win a spot in the first round against Steve Hine.
HappyBet German Darts Championship
Host Nation Qualifier
First Round
Michael Hurtz 6-1 Patrick Emmerich
Steffi Luck 6-2 Heiko Butehorn
Fabian Herz 6-2 Dennis Gunther
Stefan Stoyke 6-3 Andy Krockel
Dragutin Horvat 6-1 Andreas Klocker
Pierre Finck 6-0 Benjamin Wittmann
Orhan Berrak 6-2 Markus Kessler
Mike Holz 6-1 Daniel Riedel
Marko Puls 6-3 Anton Salge
Frank Gansen 6-0 Marko Aschemann
Guranakumar Markandu 6-2 Ole Holtkamp
Kevin Munch 6-3 Justin Webers
Tomas Seyler 6-4 Hikmet Albay
Max Harttrumpf 6-4 Alfred Tettampel
Martin Schindler 6-4 David Eisenacher
Edwin Veldhuis 6-0 Markus Jaenisch
Second Round
Maik Langendorf 6-3 Michael Döppling
Michael Hurtz 6-4 Steffi Luck
Kevin Knopf 6-2 Stefan Huwer
Stefan Stoyke 6-0 Fabian Herz
Max Hopp 6-0 Frederic Mozelewski
Pierre Finck 6-4 Dragutin Horvat
Marvin Esser 6-3 Mick Hasse
Mike Holz 6-4 Orhan Berrak
Rene Eidams 6-0 Thomas Neugebauer
Marko Puls 6-3 Frank Gansen
Nico Schlund 6-0 Bernd Kuster
Guranakumar Markandu 6-4 Kevin Munch
Jyhan Artut 6-5 Daniel Zygla
Tomas Seyler 6-1 Max Harttrumpf
Robert Allenstein 6-4 Karsten Kornath
Martin Schindler 6-0 Edwin Veldhuis
Third Round
Maik Langendorf 6-4 Michael Hurtz
Stefan Stoyke 6-1 Kevin Knopf
Max Hopp 6-0 Pierre Finck
Mike Holz 6-5 Marvin Esser
Marko Puls 6-5 Rene Eidams
Guranakumar Markandu 6-2 Nico Schlund
Jyhan Artut 6-3 Tomas Seyler
Robert Allenstein 6-5 Martin Schindler
Fourth Round
Stefan Stoyke 6-1 Maik Langendorf
Mike Holz 6-3 Max Hopp
Marko Puls 6-2 Guranakumar Markandu
Robert Allenstein 6-4 Jyhan Artut
Host Nation Qualifiers
HNQ1 Stefan Stoyke
HNQ2 Mike Holz
HNQ3 Marko Puls
HNQ4 Robert Allenstein