In 2019 the team won the Primeira Divisão title, finishing the season with a total of 30 points from 14 matches, 5 points clear of previous champion Boavista.[2]
In the same season the team also won the Taça 12 de Novembro and the LFA Super Taça, becoming the first Timorese team to ever win all three competitions.[3] In 2020 Lalenok became the first East Timorese club to ever compete at the continental level[4]
After the team's victory in the 2019 LFA Primeira Divisão season Lalenok United became the first ever East Timorese club to compete at the continental competition. Drawn up against Indonesian Liga 1 side PSM Makassar for their first match, Lalenok United president Pedro Belo admitted that the team likely did not have a big chance for their debut in the competition. Belo recognised the strength of the opposition side, however had confidence that the squad would work hard in its attempts to represent football within Timor Leste and was proud of the international recognition the club had achieved from qualifying.[5]
The first leg of the match was a home game for Lalenok, however it was played at Kapten I Wayan Dipta Stadium rather than at the club's own stadium. Lalenok United got off to an early lead with a goal being scored by striker Daniel Adade in the second minute. PSM Makassar were quick to equalise, and later Indonesian side proceeded to score 4 goals, ending the game as a 1–4 loss for Lalenok United.[6]
In the second leg the team suffered a similar result, losing the match 3–1. The team's only goal was scored by defender Francisco da Costa. This resulted in an aggregate score of 2–7, causing Lalenok to be eliminated from the competition.[7]
^"Archived copy". www.eurosport.com. Archived from the original on 2023-03-23. Retrieved 2020-07-13.{{cite web}}: CS1 maint: archived copy as title (link)