Tugstsogt Nyambayar has two losses against two opponents on his boxing record. For a list of Nyambayar's best fights, refer to "Best fights of Tugstsogt Nyambayar".
On July 3, 2021 Tugstsogt Nyambayar fought Chris Colbert in a super-featherweight world-title fight for Colbert's WBA title. Nyambayar was 29 years old and with a record of 12-2 (9), and Colbert was 24 years old and with a record of 15-0 (6). Nyambayar lost the fight via 12-round unanimous decision.
On February 8, 2020 Tugstsogt Nyambayar fought Gary Russell Jr. in a featherweight world-title fight for Russell Jr.'s WBC title. Nyambayar was 27 years old and with a record of 11-1 (9), and Russell Jr. was 31 years old and with a record of 30-1 (18). Nyambayar lost the fight via 12-round unanimous decision.
