Each of the following decks was used at a Japan Nationals Open Qualifier on June 18, 2003. With the exception of a Sealed Qualifier (Tounament #10), each of the eleven tournaments was a 64-person single elimination event, with the top two players earning an invitation to Nationals.
Kei Tomita
2003 Japan Nationals Open Qualifier #1 Finalist
Isao Oono
2003 Japan Nationals Open Qualifier #1 Finalist
Hideki Muroga
2003 Japan Nationals Open Qualifier #2 Finalist
Wataru Okada
2003 Japan Nationals Open Qualifier #2 Finalist
Jun Shibayama
2003 Japan Nationals Open Qualifier #3 Finalist
Yoshitaka Miyajima
2003 Japan Nationals Open Qualifier #3 Finalist
Meguru Ooshima
2003 Japan Nationals Open Qualifier #4 Finalist
Kentarou Yamamoto
2003 Japan Nationals Open Qualifier #4 Finalist
Youhei Yamamoto
2003 Japan Nationals Open Qualifier #5 Finalist
Akihiro Ootsuki
2003 Japan Nationals Open Qualifier #5 Finalist
Ryuushi Kurokawa
2003 Japan Nationals Open Qualifier #6 Finalist
Naoya Katayama
2003 Japan Nationals Open Qualifier #6 Finalist
Yasufumi Sasahara
2003 Japan Nationals Open Qualifier #7 Finalist
Makoto Nakajima
2003 Japan Nationals Open Qualifier #7 Finalist
Yuuichi Haga
2003 Japan Nationals Open Qualifier #8 Finalist
Daido Tanaka
2003 Japan Nationals Open Qualifier #8 Finalist
Hiroyuki Kobayashi
2003 Japan Nationals Open Qualifier #9 Finalist
Yuusaku Sasaki
2003 Japan Nationals Open Qualifier #9 Finalist
Ryouta Kodera
2003 Japan Nationals Open Qualifier #11 Finalist
Toshimitsu Sakuma
2003 Japan Nationals Open Qualifier #11 Finalist