Team changes

The following teams changed division from the 2018 season.^[3]

Player regulations

Unlike previous seasons, teams are not allowed to use senior players. Players born on or after 1 January 1997 are eligible to compete in this league.^[1]

Regional route

Province round

These teams are the representatives from their provincial league to be competing in regional round.^[4]

More information Sumatra Region, Province ...

Sumatra Region Province Teams Aceh Persidi[5] PSBL Galacticos PS Peureulak Raya PSLS PSGL North Sumatra Karo United[6] PS Bhinneka Riau Tornado[7] PS Siak Kuansing United Dumai Riau Islands 757 Kepri Jaya[8] West Sumatra PSP[9] Batang Anai Jambi Persibri[10] Bengkulu Bengkulu Raya[lower-alpha 1] Bangka Belitung Persibabar[13] South Sumatra Muba United[14] Lampung AD Sport[15] Kalimantan Region Province Teams West Kalimantan Persikat[16] Central Kalimantan PSMTW[17] South Kalimantan Persetala[18] Kotabaru East Kalimantan Bontang City[19] Harbi Pusam North Kalimantan PS Tarakan Banten Jaya[20]

Java Region Province Teams Banten Persikota[21] Serang Jaya Persitangsel Jakarta Jakarta United[22] PS Pemuda Jaya PRO-Direct Villa 2000 B West Java PSKC[23] Persikasi Persitas Perses Benpica Persikab PSGJ Patriot Candrabhaga Central Java Persiku[24] Persekat Persebi Persibas PSIP Persab Yogyakarta Sleman United[25] PS Protaba East Java Putra Sinar Giri[26] Perseta Persekabpas PSID Persedikab Persewangi Persekap PSIL Persesa Sumbersari Putra Jombang PS KoPa

Lesser Sunda Islands Region Province Teams Bali Perseden[27] West Nusa Tenggara Persebi Bima[28] Perslobar East Nusa Tenggara PS Malaka[29] Sulawesi Region Province Teams Gorontalo Persidago[30] North Sulawesi Persma 1960[31] Persmin Tahuna Central Sulawesi Pestu[32] West Sulawesi PS Matra[lower-alpha 2] Southeast Sulawesi PS Wonua Bombana[35] PS Gulamastar South Sulawesi Perspin[36] Gaspa 1958 PS Nene Mallomo Maluku Region Province Teams Maluku PS Hatusela Mamala[37] North Maluku Persiter[38] Papua Region Province Teams West Papua Kaimana[39] Papua Persemi[40]

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Notes:

• BOLD: Winner of each provincial league.

1. Bengkulu Raya was chosen to represent Bengkulu instead of Persipa Bengkulu, the winner of 2019 Liga 3 Bengkulu.^[11][12]
2. PS Matra was chosen to represent West Sulawesi instead of PS Polmas, the winner of 2019 Liga 3 West Sulawesi.^[33][34]

Pre-national route

The following 15 teams entered the pre-national round:^[41][1]

There should be six teams relegated from 2018 Liga 2 that competed in this route, but Persiwa disqualified by PSSI.^[41] And also supposedly AS Abadi competed as one of 10 teams that qualified for the second round last season. But they replaced by Tiga Naga.^[41] Later, Lampung Sakti and PSIR withdrew from the competition.^[42][43] In October, Solok merged with Equator Luak 50 Kota into SEL 50 Kota and relocated from Solok to Lima Puluh Kota.^[44] The following teams qualified from pre-national route for the national round.

First round

In this first round, 32 teams divided into eight groups (4 groups in West region and 4 groups in East region). Each group played a home tournament basis. First round was played from 12–16 December 2019. Winner and runner-up of each group advanced to the second round.^[45]

Second round

The second round was featured by 16 teams which were the winners and runner-ups from each group of the first round. The second round matches were played on 19 December 2019. Each winner advanced to the third round.^[45][48]

Third round

In this round, eight teams divided into two groups. Each group played a home tournament basis. Third round was played from 22–26 December 2019. Three best teams of each group promoted to the Liga 2. Winner of each group also advanced to the final.^[45]

Final