Here is a list of Nyambayar's best fights. For a list of Nyambayar's losses, refer to "Tugstsogt Nyambayar Losses".
On January 26, 2019 Tugstsogt Nyambayar faced off against Claudio Marrero in a featherweight bout at age 26. He was coming in with a record of 11-0 (9), and Marrero was 29 years old and with a record of 23-2 (17). Nyambayar won the fight via 12-round unanimous decision.