At the 2018 Asian Games held in Jakarta, Indonesia, he won one of the bronze medals in the men's +100 kg event.

[1] At the 2019 Military World Games held in Wuhan, China, Oltiboev won the silver medal in the men's +100 kg event.

[2] At the 2017 Islamic Solidarity Games held in Baku, Azerbaijan, Oltiboev won one of the bronze medals in the men's +100 kg event.

In 2021, he competed in the men's +100 kg event at the World Judo Championships in Budapest, Hungary.

He also competed in the men's +100 kg event at the 2020 Summer Olympics held in Tokyo, Japan.