[7] In between these title wins, Tavares made his Glory debut, losing by knockout to Artem Vakhitov.
[8] In October 2015, Tavares participated in the WFL "Unfinished Business" Heavyweight tournament.
[10] Moving up to Super Heavyweight, Tavares fought the reigning champion Jahfarr Wilnis.
[23][24] A month before the bout, Maslobojev withdrew due to injury and was replaced by Felipe Micheletti.
[27] Tavares later withdrew from the fight, as he refused to face Vakhitov due to the 2022 Russian invasion of Ukraine.
[29] The event was later postponed, as The Lotto Arena announced that their cooperation with the Antwerp Fight Organisation had been terminated due to various administrative reasons.
[32] The result was overturned to a no contest on November 24, as Tavares tested positive for a banned substance.
[35] Later that day, it was revealed that Tavares had tested positive for an unspecified banned substance at Glory Rivals 1.
[36] He was suspended indefinitely by Dutch Martial Arts Authority (VA),[37] while Glory handed him a ten month suspension.
Tavares was expected to face Enver Sljivar, in the semifinals of the one-day tournament, at Glory 85 on April 29, 2023.