Slammiversary is one of Impact Wrestling's annual PPVs, which the fans widely consider as the promotion's version of a mini WrestleMania. It is also one of the company's Big-4 PPVs alongside Hard to Kill, Rebellion, and Bound for Glory.

There have been 18 events under the Slammiversary chronology so far, and the first PPV took place on June 19, 2005. Since then, the PPV has become an annual tradition for Impact Wrestling and takes place between June and July of every year.

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Impact Wrestling has delivered some high-profile matches in the Slammiversary PPV over the years, which have gained tons of critical acclaim from the fans. With that said, let's take a look at the 10 best matches in Slammiversary history, as ranked by cagematch.net.

10 Lashley Vs. Drew Galloway (Slammiversary 2016) - 8.28

The match that takes the 10th spot on this list is the Knockout or Tapout match between Drew Galloway and Lashley for the TNA World Heavyweight Championship at Slammiversary 2016.

After their lumberjack match for the TNA World Title on the May 17, 2016, episode of Impact ended in a no-contest, Dixie Carter announced that Galloway would defend the title against Lashley at Slammiversary 2016.

It was the main event of the night, and both behemoths went after each other with everything they had. The match lasted 17:04 minutes, and the ending saw Lashley making Galloway pass out to a submission move to win the TNA World Heavyweight Championship.

9 Bully Ray Vs. AJ Styles (Slammiversary 2011) - 8.38

Next on the list is the Last Man Standing match between AJ Styles and Bully Ray at Slammiversary 2011. Styles and Ray started a rivalry after the latter powerbombed Styles through a set of tables, taking him out of action for a while.

Styles returned at LockDown 2011 during the Lethal Lockdown match and attacked Bully Ray to help Fortune defeat Ray's faction, Immortal. After a series of events, both wrestlers agreed to settle things once and for all in a Last Man Standing match at Slammiversary.

Styles and Ray took each other to the limits in the match that lasted 20:18 minutes, and the ending saw Bully Ray kick Styles through the stage to keep him down for the 10-count and win the match.

8 Sami Callihan Vs. Tessa Blanchard (Slammiversary 2019) - 8.44

Tessa Blanchard and Sami Callihan made history at Slammiversary 2019 as their main event bout became the first-ever intergender match to headline a pay-per-view event.

Their rivalry started with Callihan claiming that men were superior to women, which led to Blanchard stepping up to confront him, and it led to a match between the two at Slammiversary 2019.

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The match went on for 15:00 minutes, with both wrestlers trying their best to take each other out. The final moments of the bout saw Blanchard inadvertently taking out the referee with a back elbow shot and the confusion that ensued allowed Callihan to finally hit Blanchard with a piledriver to win the match.

7 LAX Vs. The OGz (Slammiversary 2018) - 8.52

The seventh spot goes to the 5150 street fight tag team match between The Latin American Exchange and The OGz for the Impact World Tag Team Championship at Slammiversary 2018.

After former LAX members Homicide and Hernandez returned to Impact Wrestling and turned on Konnan and the group to form The OGz. The first match between the two teams took place at Slammiversary 2018, and it was a 5150 street fight in which LAX defended their Impact World Tag Team Championships against The OGz.

Both teams brought their A-games to the event, but LAX emerged as the victors after Santana delivered a frog splash on Homicide, who was laying on top of thumbtacks to retain the titles.

6 King of the Mountain Match (Slammiversary 2007) - 8.53

Next on the list is the King of the Mountain match for the vacant TNA World Heavyweight Championship that took place at Slammiversary 2007.

After Kurt Angle's controversial victory over Christian Cage at Sacrifice 2007 to become the inaugural TNA World Heavyweight Champion, the Olympic Gold Medalist got stripped of the title, and the company announced a King of the Mountain match for the vacant championship at Slammiversary.

Kurt Angle, Samoa Joe, AJ Styles, Christian Cage, and Chris Harris competed in the match, and it was the longest contest of the night. The ending saw Kurt Angle climb the ladder and hang the TNA World Title belt on the hook to win the match.

5 Brian Cage Vs. Michael Elgin (Slammiversary 2019) - 8.59

Brian Cage defended the Impact World Championship against Michael Elgin at the 2019 Slammiversary PPV. The match ended up receiving high praises from the crowd, thus receiving the fifth spot on this list.

Their rivalry began at the 2019 Rebellion PPV, where Elgin attacked Brian Cage after the latter defeated Johnny Impact to win the Impact World Championship for the first time.

It led to a match between the two at Slammiversary, where Cage and Elgin competed in a back-and-forth match that lasted 14:10 minutes. Cage emerged as the victor after rolling up Elgin for the pin and retained the championship.

4 Kenny Omega Vs. Sami Callihan (Slammiversary 2021) - 8.63

After Kenny Omega retained the Impact World Championship against Moose at Against All Odds 2021, he had to defend the title against Sami Callihan at Slammiversary.

After Don Callis' attempts at blocking Callihan's road to the title match were thwarted, the title match at Slammiversary 2021 became a no-disqualification bout.

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Omega and Callihan competed in a gruesome match that lasted 27:45 minutes, but despite Callihan's efforts, an interference from Don Callis helped Omega deliver the One Winged Angel on Sami on top of some thumbtacks to get the pin and retain the title.

3 Josh Alexander Vs. Eric Young (Slammiversary 2022) - 8.82

The third spot on the list goes to the Impact World Championship match between Josh Alexander and Eric Young at this year's Slammiversary PPV.

Eric Young received the title opportunity by winning the Gauntlet for the Gold match on the May 12, 2022, episode of Impact Wrestling. He took on Josh Alexander in the main event of the 2022 Slammiversary PPV, and the two wrestlers went against each other with all guns blazing.

Despite Eric Young's allies Joe Doering and Deaner at ringside, Alexander managed to overcome the odds and defeat Young to retain the title.

2 Pentagon Jr. Vs. Sami Callihan (Slammiversary 2018) - 8.90

Sami Callihan entered into a heated rivalry with Pentagon Jr., whom he has faced on multiple occasions across various promotions. The rivalry turned personal when Callihan tried to remove Pentagon Jr's mask after attacking him with a baseball bat.

It resulted in a Mask Vs. Hair match between the two at Slammiversary 2018, where the two wrestlers competed in the longest match of the night, lasting 18:15 minutes.

The final moments of the match saw Pentagon Jr. performing a package piledriver on Callihan to win the match, going on to shave the latter's head bald.

1 AJ Styles & Kurt Angle Vs. Christopher Daniels & Kazarian (Slammiversary 2012) - 8.91

The first spot on the list goes to the TNA World Tag Team Championship match at Slammiversary 2012, where AJ Styles and Kurt Angle teamed up to challenge Christopher Daniels and Kazarian for the titles.

They competed in the penultimate match of the night, and it was the longest contest of the event, lasting 14:25 minutes. The Phenomenal One and The Wrestling Machine went on to defeat Daniels and Kazarian at the event after Angle made Kazarian tap out to the ankle lock to win the TNA World Tag Team Championships.