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.

[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.

The title bout was scheduled as the main event of the Glory 25: Milan Superfight Series, which took place on November 6, 2015.

[20] Adamchuk faced Giga Chikadze in the semifinals of the 2016 Featherweight Contender Tournament, held at Glory 33: New Jersey on September 9, 2016.

[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.

[24] Adamchuk next faced Dylan Salvador in a top contender bout at Glory 42: Paris on October 6, 2017.

[28] Adamchuk beat Hlali by unanimous decision, and advanced to the finals, where he faced Victor Pinto.

[31] After failing in his third title bid, Adamchuk was booked to face Kevin VanNostrand at Glory 67: Orlando on July 5, 2019.

[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 Adamchuk's fourth Glory title challenge and the third time that he fought Petchpanomrung, having already lost to him on two previous occasions.