Serhii Adamchuk

Early promotional career

Adamchuk made his Glory debut against the future lightweight champion Marat Grigorian at Glory 22: Lille on June 5, 2015, in the reserve bout of the 2015 Lightweight Contender Tournament. Adamchuk stepped in on a days' notice, having been offered the opportunity to face Grigorian just 24 hours before the fight was supposed to take place. He won the bout by unanimous decision.^[11]

Adamchuk departed from Glory for his next bout, as he faced Kazuya Akimoto in the reserve match of the K-1 World GP 2015 -70kg Championship Tournament on July 4, 2015. He won the fight by split decision, with scores of 29–28, 29–30 and 30–29.^[12]

Adamchuk faced Anvar Boynazarov at Bellator MMA & Glory: Dynamite 1, a Glory and Bellator MMA cross-promotional event, on September 19, 2015.^[13] He won the fight by unanimous decision.^[14]

Glory Featherweight champion

These three victories earned Adamchuk the right to challenge Gabriel Varga for the Glory Featherweight Championship. The title bout was scheduled as the main event of the Glory 25: Milan Superfight Series, which took place on November 6, 2015.^[15] Adamchuk won the fight by unanimous decision.^[16]

Adamchuk made his first title defense against Mosab Amrani, who had earned his right to challenge for the championship by winning the 2015 Glory Featherweight Contender tournament, at Glory 28: Paris on March 12, 2016.^[17] He retained the title by unanimous decision.^[18]

Adamchuk made his second title defense in a rematch with Gabriel Varga, whom he had previously beaten to capture the title, Glory 32: Virginia on July 22, 2016.^[19] He lost the fight by majority decision, with scores of 48–47, 48–46 and 48–48.^[20]

Second Glory title challenge

Adamchuk faced Giga Chikadze in the semifinals of the 2016 Featherweight Contender Tournament, held at Glory 33: New Jersey on September 9, 2016.^[21] He lost the fight by split decision, with scores of 29–28, 29–28, 28–29.^[22] Adamchuk participated in the 2017 Featherweight Contender Tournament as well, which was held at Glory 39: Brussels on March 25, 2017, and was booked to face Nafi Bilalovski in the semifinal bout.^[23] Despite beating Bilalovski by unanimous decision, Adamchuk lost the final bout of the one-day tournament, as Petchpanomrung Kiatmookao beat him by split decision.^[24]

Adamchuk next faced Dylan Salvador in a top contender bout at Glory 42: Paris on October 6, 2017. He won the fight by unanimous decision.^[25] Beating Salvador earned Adamchuk his second title challenge opportunity, as he was booked to face Robin van Roosmalen for the Glory Featherweight Championship at Glory 45: Amsterdam on September 30, 2017.^[26] He lost the fight by unanimous decision, with three judges scored the fight 48–47 for Van Roosmalen, while the remaining two judges awarded him a 49–46 scorecard.^[27]

Third Glory title challenge

On March 3, 2018, it was revealed that Glory would hold the 2018 Featherweight Contender Tournament at Glory 53: Lille on May 12, 2018. Adamchuk was booked to face Azize Hlali in the tournament semifinals, while the other pairing saw Victor Pinto face Buray Bozaryilmaz.^[28] Adamchuk beat Hlali by unanimous decision, and advanced to the finals, where he faced Victor Pinto. Adamchuk won the tournament final by unanimous decision as well.^[29]

After extending his winning streak to three consecutive fights with a unanimous decision win against Anvar Boynazarov at Glory 56: Denver on August 10, 2018, Adamchuk was awarded the opportunity to challenge the Glory Featherweight champion Petchpanomrung Kiatmookao, who had previously beaten Adamchuk by split decision at Glory 39: Brussels. The title bout was scheduled as the main event of Glory 63: Houston on February 1, 2019.^[30] Petchpanomrung was more convincing in their second meeting, as he won the fight by unanimous decision, with all five judges awarding him a 50–45 scorecard.^[31]

Fourth Glory title challenge

After failing in his third title bid, Adamchuk was booked to face Kevin VanNostrand at Glory 67: Orlando on July 5, 2019. He lost the fight by unanimous decision.^[32] Adamchuk bounced back from this loss with a second-round technical knockout of Abraham Vidales at Glory 72: Chicago on November 23, 2019. It was his first stoppage victory since July 6, 2014. Adamchuk next faced Aleksei Ulianov at Glory Collision 2 on December 21, 2019. He won the fight by split decision.^[33]

Adamchuk was booked to challenge Petchpanomrung Kiatmookao for the Glory Featherweight Championship at Glory 75: Utrecht on February 29, 2020. It was Adamchuk's fourth Glory title challenge and the third time that he fought Petchpanomrung, having already lost to him on two previous occasions.^[34] Petchpanomrung won the fight by unanimous decision, with all five judges scoring the bout 49–45 in his favor.^[35]

Later featherweight career

Adamchuk faced Aleksei Ulianov in a rematch at Glory Collision 3 on October 23, 2021. He lost the fight by split decision.^[36]

Adamchuk faced the former RISE lightweight Kento Haraguchi at RISE WORLD SERIES / Glory Rivals 4 on December 25, 2022.^[37] He lost the fight by unanimous decision.^[38]

Adamchuk faced Meng Gaofeng for the Wu Lin Feng World -65kg title at Wu Lin Feng 1000th Broadcast Celebration on November 25, 2023.^[39] He lost the fight by unanimous decision.^[40]

Adamchuk faced Adrian Maxim at K-1 Fighting Network Romania 2024 on June 13, 2024.^[41] The fight was ruled a no contest, due to a clash of heads in the opening round.^[42]