On October 22, 2020 Lamanamoonlek faced for the fifth time the most recent Sports Authority of Thailand Fighter of the Year Kiewpayak Jitmuangnon at Rajadamnern Stadium.
[8] On February 28, 2021 Lamanamoonlek faced the reigning 126 lbs Thailand champion Phetphuthai Sitsarawatseua at the channel 7 stadium and defeated him by decision.
[9] On September 22, 2021 at Lumpinee Stadium, Lamnamoonlek faced Duangsompong Jitmuangnon who was on a three fights win streak and just defeated Petchdam PetchyindeeAcademy.
[10] On November 26, 2021 Lamanamoonlek faced Mathias Gallo Cassarino in a weight handicap fight at Lumpinee stadium.
[13] On February 27, 2022 Lamanamoonlek had his first international fighting experience when he faced Gusein Tagirovich Aliev at MuayThai Night in Dubai for the vacant WMC World Lightweight title.