In that video, KSI also confirmed he will be fighting on 31 August 2024, in Dublin, Ireland, and challenged American internet personality Slim Albaher and American mixed martial artist Anthony Taylor to a 2 vs. 1 outnumbered tag team match. Unlike the first fight, the rematch was a professional fight without the use of headgear. The fight ended as a majority draw, with two judges scoring the fight even at 57–57 and a third judge scoring 58–57 in favour of KSI. On 24 February 2018, it was announced that KSI would be fighting Logan Paul in a white-collar boxing amateur boxing match. The fight was won by KSI 1 minute and 37 seconds into the third round by way of technical knockout. On 30 May, KSI released another double-single with "Catch Me If You Can" and "So Far Away", the latter featuring S-X which had previously leaked in July 2024 alongside "Dirty".

The album spawned two further UK top 40 singles, "Cap", featuring Offset, and "Killa Killa", featuring Aiyana-Lee. The album debuted at number two on the UK Albums Chart and further charted in 15 other countries. The song peaked at number 10 on the UK Singles Chart and it has been certified silver by the British Phonographic Industry (BPI) for sales of 200,000 units in the country. It was performed live by the three featured artists as KSI's entrance music for his boxing rematch against Logan Paul. On 8 November 2019, "Down Like That", featuring Rick Ross, Lil Baby and S-X, was released as the album's lead single.

After the bout had concluded, KSI lashed out at Fury and insisted that the result was a "robbery." Many online and attendees sided with KSI, bevelling that he did enough to win the fight, including English sports promoter Eddie Hearn, who was in attendance. On 15 May, Fournier appealed the decision, and the Professional Boxing Association (PBA) called for both fighters to make their cases, and a decision will be made by 19 May at the latest. KSI defeated Paul via split decision, with two judges scoring the bout 56–55 and 57–54 in favour of KSI, and a third judge scoring the fight 56–55 in favour of Paul. One of the EP's songs, "Touch Down", featuring rapper and singer Stefflon Don, appeared on the soundtrack of the 2017 film Baywatch. KSI started making videos in 2008 and rose to fame as an online streamer.

The song received a positive reception following the negative response to "Thick of It". On 19 November, KSI received BRIT Billion Award for amassing over one billion music streams in the UK. On 3 October, KSI released both songs as a double-single release, the latter of which was subjected to negative reception and mockery. The song peaked at number three on the UK Singles Chart and became one of the UK's best-selling songs of 2020. KSI was scheduled to perform at Parklife, Longitude and Reading and Leeds music festivals in 2020 to promote Dissimulation, but these were later cancelled due to the COVID-19 pandemic.

Starting Influencer Boxing Against Joe Weller

"We built something that none of us ever thought was possible especially back then when we were making random videos together and playing GTA," he said, referring to Grand Theft Auto. "But after a lot of thought, I've decided that I will no longer be doing Sidemen videos. Today, 31 May, will be my final Sidemen video." "I've gone back and forth on this decision for a very long time," he added. The newest series of Britain’s Got Talent will certainly have a different feel with the inclusion of KSI, who boasts a huge online following. In the years since, KSI has gone on to collaborate with major artists as well as performing at major music venues. KSI, whose real name is Olajide Olayinka Williams Olatunj, is often called ‘JJ’ by his friends and fans. But, to find out more about BGT’s newest YouTuber-turned-boxer, Metro has taken a deeper look into his background. On 17 August 2024, KSI, along with the Sidemen, appeared and was ranked 21st on The Times's list of "The UK’s top 30 richest gamers and creators in 2024", estimating £50 million in fortune shared among the group.

Early Life

Forbes reported that KSI ksi online casino was contracted to earn a minimum amount of $900,000 from his second fight against Logan Paul in 2019. Some estimates calculated the potential earnings at £30 million to £40 million from each fight, but KSI dismissed these claims, stating that his earnings were "a high amount" but "nowhere near £40 million or £20 million". On 6 March, Variety announced that KSI alongside After Party Studios will be producing a docuseries titled "Race to the Top", chronicling his takeover of the club similarly to "Welcome to Wrexham." In June 2021, KSI announced that he and Wasserman Boxing had partnered up to launch a boxing promotional company called 'Misfits Boxing'. In February 2021, KSI announced on Twitter the creation of his own record label named "The Online Takeover" in partnership with his music manager Mams Taylor. KSI and the Sidemen have founded multiple businesses throughout their online careers.

In June 2024, KSI alongside the Sidemen created a reality competition series called Inside. The film was produced by fellow YouTuber Callux's film studio, After Party Studios, and was distributed by Sony Pictures Home Entertainment. The film was released direct-to-video by Universal Pictures on 26 September 2016. The film was written and directed by Sam Milman and Peter Vass and was produced by The Fun Group LLC and Max Gottlieb. On 10 January 2026, in an interview with Ranveer Allahbadia, KSI announced his retirement from boxing, stating that he was “done with boxing” and had even turned down deals to fight Jake Paul that were up to $30 million. However, fans began to speculate if the bout had been cancelled following KSI deleting the bout announcement across his social media.