Langaker served as the captain for Team Europe at Polaris Squads 2 on November 7, 2020.[3] He won three matches by submission and finished one in a draw, guiding his team to a 9–0 victory over Team UK.[4] He was then voted Jits Magazine Male Grappler of the Year (Gi) in 2020.[5]
He returned for Polaris 18 on November 27, 2021, losing to Igor Tanabe by submission.[6]
Langaker won the 77 kg division of the ADCC European, Middle-Eastern, and African Trials 2022 on May 7 and 8.[7] He then lost to PJ Barch in the opening round of the 2022 ADCC World Championship on September 17.[8]
He made his ONE Championship debut against Renato Canuto at ONE 160 on August 26, 2022.[9] He won a decision and a $50,000 Performance of the Night bonus.[10] Langaker then fought Russian grappler Uali Kurzhev at ONE Fight Night 7 on February 24, 2023.[11] He won the match by submission and earned his second $50,000 Performance of the Night bonus.[12]
He challenged ONE Lightweight Submission Grappling World Champion Kade Ruotolo at ONE Fight Night 11: Eersel vs. Menshikov on June 9, 2023.[13] He lost by unanimous decision.[14][15][16]
Langaker competed at the ADCC European, Middle-Eastern, and African Trials 2023 on September 16.[17] He won a bronze medal in the 77 kg division.[18] He then won the IBJJF European No Gi Championship 2023 at middleweight on October 29, 2023.[19]
Langaker returned to Polaris for Polaris 26 on November 4, 2023, where he beat Oliver Taza by decision.[20] He then competed at the IBJJF No Gi World Championship on December 9, 2023.[21] He won a gold medal in the middleweight division.[22]
Langaker competed in a rematch against Kade Ruotolo at ONE 165 on January 28, 2024.[23] He lost the match by decision.[24]
Langaker competed in the under 77kg division of the ADCC European, Middle-Eastern, and African Trials 2024.[25] He won a gold medal and an invite to 2024 ADCC World Championship.[26]
Langaker was booked to challenge Micael Galvão for the Who's Number One welterweight title at WNO 23 on May 10, 2024,[27] but Galvão had to withdraw due to injury and was replaced by Andrew Tackett.[28] Langaker lost the match by submission.[29]
Langaker competed in the under 80kg division of the inaugural Craig Jones Invitational on August 16 and 17, 2024.[30] He defeated Renato Canuto by decision in the opening round and lost to Kade Ruotolo by decision in the quarter-final.[31]
Langaker then competed in over 80kg division of the Ocean BJJ Pro Championship on September 21, 2024.[32] He lost a decision to Pawel Jaworski in the opening round.[33]
Langaker faced Dante Leon at ONE Fight Night 27 on January 10, 2024.[34] He lost the match via unanimous decision. [35]
