| # | Date | Promotion | Match |
| 1 | 23.09.2003 |  |
WWE Cruiserweight Title: Tajiri defeats Rey Mysterio (c) (15:14) - TITLE CHANGE !!! WWE SmackDown #215 - TV-Show @ Wachovia Center in Philadelphia, Pennsylvania, USA |
| 2 | 02.09.2003 | |
WWE Cruiserweight Title: Rey Mysterio (c) defeats Tajiri (13:25) WWE SmackDown #212 - TV-Show @ New Orleans Arena in New Orleans, Louisiana, USA |
| 3 | 26.08.2003 | |
WWE Cruiserweight Title: Rey Mysterio (c) defeats Nunzio (4:53) WWE SmackDown #211 - TV-Show @ Haskins Center in El Paso, Texas, USA |
| 4 | 24.08.2003 |  |
WWE Cruiserweight Title: Rey Mysterio (c) defeats Shannon Moore (2:03) WWE Sunday Night Heat #264 - TV-Show @ America West Arena in Phoenix, Arizona, USA |
| 5 | 01.07.2003 | |
WWE Cruiserweight Title: Rey Mysterio (c) defeats Nunzio (6:49) WWE SmackDown #203 - TV-Show @ Blue Cross Arena in Rochester, New York, USA |
| 6 | 10.06.2003 | |
WWE Cruiserweight Title: Rey Mysterio (c) defeats Matt Hardy Version 1.0 (4:50) WWE SmackDown #200 - TV-Show @ TD Waterhouse Arena in Orlando, Florida, USA |
| 7 | 03.06.2003 | |
WWE Cruiserweight Title: Rey Mysterio defeats Matt Hardy Version 1.0 (c) (13:29) - TITLE CHANGE !!! WWE SmackDown #199 - TV-Show @ Arrowhead Pond in Anaheim, California, USA |
