Following the name of the champion(s): Indicates the number of times the competitor has held that title at that point.
[...]
Indicates a gap in the listing where title changes are not known.
<
Title was held or changed hands no later than this. In these cases, it is known that a competitor held the title at a certain time but not when he/she won it.
@
Order uncertain. Different titleholders may be known for the same year, for example, but it is not known who held the title before whom.
#
Unofficial or disputable claims. These are usually matches that certainly took place, but where there is doubt that the competitor shown should be recognized as a true title holder. These listings are also italicized.
Defeats José Maria Tomé to become the first champion; vacates in 18 upon leaving the promotion; ACB merges the World Fighting Championship Akhmat and becomes Absolute Championship Akhmat on 18-11-28.
Yunus Evloev
2019-04-27
Moscow, RUS
Defeats Josiel Silva; vacates in 19-12 due to health reasons.
Azamat Kerefov
2020-02-21
Krasnodar, RUS
Defeats Mansur Khatuev; vacates on 21-10-03 upon becoming a free agent.
