| K-1 World MAX 2003 World Tournament Final | |
| Promotion: | K-1 |
| Date: | July 5, 2003 |
| Venue: | Saitama Super Arena |
| City: | Saitama, Japan |
| Attendance: | 15,600 |
| Previousevent: | K-1 Beast II 2003 |
| Followingevent: | K-1 World Grand Prix 2003 in Fukuoka |
K-1 World MAX 2003 World Tournament Final was a kickboxing event promoted by the K-1 organization. It was the second ever K-1 MAX final for middleweight kickboxers (70 kg/154 lb weight class) involving eight finalists and two reserve fighters, with all bouts fought under K-1 rules. The tournament fighters had qualified via preliminary tournaments, had been involved in the previous years final, or had been invited due to their achievements in kickboxing and Muay Thai (more information on the fighters is detailed by the bulleted list below). As well as tournament bouts there was also a super fight, also fought under K-1 rules. In total there were twelve fighters at the event, representing seven countries.
The tournament winner was the home favourite Masato who defeated reigning champion Albert Kraus by knockout, in what was a very entertaining event with five stoppages in the eight bouts. Both Masato and Kraus had challenging routes to the final with Masato having a close decision victory over Mike Zambidis and Kraus overcoming up and comer and future K-1 MAX champion Andy Souwer in the quarter-finals. The event was held in Saitama at the Saitama Super Arena, on Saturday, 5 July 2003.
Finalists
Marfio Canoletti - K-1 MAX Brazil 2002 champion, W.K.N. Brazil Muay Thai champion
Albert Kraus - reigning K-1 World MAX 2002 champion, W.K.A. world champion '01
Duane Ludwig - invitee, K-1 MAX USA 2002 champion, x2 I.K.F. U.S.A. national Muay Thai amateur champion
Masato - K-1 MAX Japan 2003 champion, I.S.K.A. oriental rules welterweight world champion '00, A.J.K.F welterweight champion '99
Sakeddaw Kiatputon - invitee, Rajadamnern Stadium champion Andy Souwer - S-Cup 2002 champion, multiple Muay Thai and kickboxing world champion Kozo Takeda - K-1 MAX Japan 2003 runner up, former Rajadamnern Stadium championReservists
Yasuhiro Kazuya - K-1 MAX Japan 2003 3rd place, national karate champion
Viatcheslav Nesterov - invitee, Kyokushin Karate Oyama Cup 3rd place| K-1 World MAX Tournament Reserve Fight -70 kg: K-1 Rules / 3Min. 3R Ext.1R | |
| Yasuhiro Kazuya def. Viatcheslav Nesterov | |
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|---|---|
| K-1 World MAX Tournament Quarter-finals -70 kg: K-1 Rules / 3Min. 3R Ext.1R | |
| style=background:white colspan=2 | |
| Sakeddaw Kiatputon def. Marfio Canoletti | |
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| Duane Ludwig def. Kozo Takeda | |
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| Albert Kraus def. Andy Souwer | |
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| K-1 World MAX Tournament Semi-finals -70 kg: K-1 Rules / 3Min. 3R Ext.1R | |
| Masato def. Sakeddaw Kiatputon | |
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| Albert Kraus def. Duane Ludwig | |
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| Super Fight -70 kg: K-1 Rules / 3Min. 3R Ext.1R | |
 Serkan Yilmaz def. Takashi Ohno | |
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| K-1 World MAX Tournament Final -70 kg: K-1 Rules / 3Min. 3R Ext.2R | |
| Masato def. Albert Kraus | |
| style=background:white colspan=2 | |