SummerSlam (2018) was a pay-per-view (PPV) event and WWE Network event, produced by WWE for their Raw and SmackDown brands. It took place on August 19, 2018, at the Barclays Center in Brooklyn, New York. It was the thirty-first event under the WWE SummerSlam chronology.
- Andrade "Cien" Almas and Zelina Vega defeated Rusev and Lana
- Cedric Alexander (c) defeated Drew Gulak for the WWE Cruiserweight Championship - Gentleman Jack Gallagher and The Brian Kendrick were banned from ringside.
- The B-Team (Curtis Axel and Bo Dallas) (c) defeated The Revival (Scott Dawson and Dash Wilder) for the WWE Raw Tag Team Championship
- Seth Rollins (with Dean Ambrose) defeated Dolph Ziggler (c) (with Drew McIntyre) for the WWE Intercontinental Championship
- The New Day (Big E and Xavier Woods) (with Kofi Kingston) defeated The Bludgeon Brothers (Harper and Rowan) (c) by disqualification for the WWE SmackDown Tag Team Championship
- Braun Strowman (Money in the Bank contract holder) defeated Kevin Owens for the Money in the Bank contract - Had Strowman been disqualified or counted out, he would have lost the contract.
- Charlotte Flair defeated Carmella (c) and Becky Lynch - Triple threat match for the WWE SmackDown Women's Championship
- Samoa Joe defeated AJ Styles (c) by disqualification for the WWE Championship
- The Miz defeated Daniel Bryan
- Finn Bálor defeated Baron Corbin
- Shinsuke Nakamura (c) defeated Jeff Hardy for the WWE United States Championship
- Ronda Rousey defeated Alexa Bliss (c) by submission for the WWE Raw Women's Championship
- Roman Reigns defeated Brock Lesnar (c) (with Paul Heyman) for the WWE Universal Championship