| card/ date | match | match type | title(s) |
|---|
 WWE Smackdown!
Jan 2nd 2003 | John Cena | def. (pin) | Rikishi | | |
WWE WWE Live (Smackdown)
Jan 3rd 2003 | Rikishi | def. (pin) | John Cena | | |
WWE Smackdown! Taping
Jan 7th 2003 | John Cena | def. (pin) | Chavo Guerrero | | |
UPW Season's Beatings II - 4th Anniversary Show
Jan 8th 2003 | Frankie Kazarian (c) | def. (DQ) | John Cena | | UPW Lightweight Title
|
WWE Smackdown! Taping
Jan 12th 2003 | Chavo Guerrero & Eddie Guerrero | def. (pin) | B-2 & John Cena | | |
WWE Royal Rumble '03
Jan 19th 2003 | Brock Lesnar | def. | A-Train, B-2, Batista, Bill DeMott, Booker T., Charlie Haas, Chavo Guerrero, Chris Jericho, Chris Nowinski, Christian, Eddie Guerrero, Edge, Goldust, Jamal, Jeff Hardy, John Cena, Kane, Matt Hardy, Maven, Rey Mysterio, Rikishi, Rob Van Dam, Rosey, Shawn Michaels, Shelton Benjamin, Tajiri, Test, The Undertaker, Tommy Dreamer | 30-man Royal Rumble | |
WWE WWE Live (Smackdown)
Jan 20th 2003 | Rikishi | def. | John Cena | "Kiss My Ass" | |
WWE Smackdown! Taping
Jan 28th 2003 | Eddie Guerrero | def. (pin) | John Cena | | |
WWE Velocity #38 Taping
Feb 4th 2003 | John Cena | def. (pin) | American Dragon | | |
WWE Smackdown! Taping
Feb 11th 2003 | Brock Lesnar | def. (pin) | John Cena | | |
 WWE WWE Live (Smackdown)
Feb 15th 2003 | John Cena | def. (pin) | Sean O'Haire | | |
 WWE WWE Live (Smackdown)
Feb 27th 2003 | Mark Henry | def. | John Cena | | |
WWE Smackdown! Taping
Mar 25th 2003 | John Cena | def. (pin) | Rikishi | | |
WWE Smackdown! Taping
Apr 1st 2003 | John Cena | def. (pin) | Eddie Guerrero | | |
WWE Smackdown! Taping
Apr 8th 2003 | John Cena | def. (pin) | The Undertaker | | |
WWE Smackdown! Taping
Apr 15th 2003 | John Cena | def. (pin) | Chris Benoit | | |
WWE Smackdown! Taping
Apr 22nd 2003 | John Cena | def. (pin) | Rhyno | | |
WWE Backlash '03
Apr 27th 2003 | Brock Lesnar (c) | def. (pin) | John Cena | | WWE Championship
|
WWE Smackdown! Taping
May 5th 2003 | Rhyno | def. (pin) | John Cena | | |
WWE Smackdown! Taping
May 13th 2003 | Chris Benoit | def. (DQ) | John Cena | | |
WWE Judgment Day '03
May 18th 2003 | Chuck Palumbo & John Cena & Johnny Stamboli | def. (pin) | Chris Benoit & Rhyno & Spanky | 6-person tag | |
WWE Smackdown! Taping
May 20th 2003 | John Cena | def. (pin) | Spanky | | |
WWE Smackdown! Taping
Jun 3rd 2003 | John Cena | def. (pin) | Chris Benoit | | |
WWE Smackdown! Taping
Jun 10th 2003 | John Cena | def. (pin) | Sho Funaki | | |
WWE WWE Live (Smackdown)
Jun 16th 2003 | John Cena & The Big Show | def. | Chris Benoit & Rhyno | | |
WWE Velocity #57 Taping
Jun 17th 2003 | John Cena | def. (pin) | Sho Funaki | | |
WWE Smackdown! Taping
Jun 24th 2003 | John Cena | def. (pin) | Orlando Jordan | | |
WWE Smackdown! Taping
Jul 1st 2003 | Billy Gunn | def. (pin) | John Cena | | |
 WWE WWE Live (Smackdown)
Jul 16th 2003 | Rey Mysterio | def. (pin) | John Cena | | |
 WWE WWE Live (Smackdown)
Jul 17th 2003 | John Cena | def. | Billy Gunn | | |
WWE WWE Live (Smackdown)
Jul 18th 2003 | Kurt Angle & Tajiri | def. | Eddie Guerrero & John Cena | | |
WWE WWE Live
Jul 19th 2003 | Brock Lesnar & Chris Benoit & Kurt Angle | def. | Eddie Guerrero & John Cena & The Big Show | 6-person tag | |
WWE Vengeance '03
Jul 27th 2003 | The Undertaker | def. (pin) | John Cena | | |
WWE Smackdown! Taping
Jul 29th 2003 | John Cena | def. (pin) | Orlando Jordan | | |
WWE Smackdown! Taping
Aug 5th 2003 | John Cena | def. (pin) | The Undertaker | | |
WWE Smackdown! Taping
Aug 12th 2003 | John Cena | def. (pin) | Zach Gowen | | |
WWE Smackdown! Taping
Aug 19th 2003 | A-Train & John Cena | def. (pin) | Orlando Jordan & The Undertaker | | |
WWE Smackdown! Taping
Aug 26th 2003 | Eddie Guerrero | def. (DQ) | John Cena | | |
WWE WWE Live (Smackdown)
Sep 7th 2003 | Eddie Guerrero (c) | def. | John Cena | | WWE United States Championship
|
WWE WWE Live (Smackdown)
Sep 8th 2003 | Eddie Guerrero (c) | def. | John Cena | | |
WWE Smackdown! Taping
Sep 9th 2003 | Eddie Guerrero | def. (pin) | John Cena | parking lot brawl | |
WWE MSG Show (Sep '03)
Sep 20th 2003 | Eddie Guerrero (c) | def. (pin) | John Cena, Rhyno | three-way | WWE United States Championship
|
WWE WWE Live (Smackdown)
Sep 21st 2003 | Eddie Guerrero (c) | def. (pin) | John Cena | | WWE United States Championship
|
WWE Smackdown! Taping
Sep 30th 2003 | Brock Lesnar & John Cena | def. (pin) | Kurt Angle & The Undertaker | | |
 WWE WWE Live (Smackdown)
Oct 9th 2003 | Chris Benoit & Kurt Angle | def. (pin) | John Cena & The Big Show | | |
 WWE WWE Live (Smackdown)
Oct 10th 2003 | Kurt Angle & The Undertaker | def. (pin) | Brock Lesnar & John Cena | | |
 WWE WWE Live (Smackdown)
Oct 11th 2003 | Chris Benoit & Kurt Angle | def. (pin) | John Cena & The Big Show | | |
WWE WWE Live (Smackdown)
Oct 12th 2003 | Kurt Angle & The Undertaker | def. (pin) | Brock Lesnar & John Cena | | |
WWE No Mercy '03
Oct 19th 2003 | Kurt Angle | def. (sub) | John Cena | | |
WWE Smackdown! Taping
Oct 21st 2003 | Chris Benoit & Kurt Angle | draw (NC) | A-Train & John Cena | | |
John Cena during 2003