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.
Heavyweight Title [120kg/265lb] (as of 2022-08-27)
Zelimkhan Umiev
2014-06-22
Grozny, RUS
Defeats Israfil Makhashev to become the first ACB champion.
Salimgerey Rasulov
2016-02-06
Warsaw, POL
Denis Goltsov
2016-12-18
St. Petersburg, RUS
Mukhomad Vakhaev
2017-08-19
Grozny, RUS
ACB merges the World Fighting Championship Akhmat and becomes Absolute Championship Akhmat on 18-11-28; vacant in 19-03 when Vakhaev is unable to compete in the scheduled title defense on 19-03-16 due to injury.
