# 2020–21 Thai League 2

The 2020–21 Thai League 2 is the 23nd season of the Thai League 2, the second-tier professional league for Thailand's association football clubs, since its establishment in 1997, also known as M-150 Championship due to the sponsorship deal with M-150. A total of 18 teams will compete in the league. The season began on 14 February 2020 and is scheduled to conclude on 31 March 2021.
For this season two teams in the final table (champion and runner up) directly promoted to Thai League 1 next season while teams ranked 3rd - 6th qualified in play off for last spot in top tier next season.
The 1st transfer window is from 19 November 2019 to 10 February 2020 while the 2nd transfer window is from 15 June 2020 to 12 July 2020.

## Team changes

The following teams have changed division since the 2019 season.

### To Thai League 2

    Promoted from Thai League 3
* Khon Kaen United
* Nakhon Pathom United
* Phrae United
* Ranong United
    Relegated from Thai League 1
* Chainat Hornbill
* Chiangmai

### From Thai League 2

    Promoted to Thai League 1
* BG Pathum United
* Police Tero
* Rayong
    Relegated to Thai League 4
* Ubon United
    Withdrew
* Thai Honda
* Army United

### Renamed Clubs

* Air Force United was renamed and moved to Uthai Thani
* JL Chiangmai United renamed Chiangmai United

## Teams
### Stadium and locations

| Team | Location | Stadium | Capacity |
| Ayutthaya United | Ayutthaya | Ayutthaya Provincial Stadium | 6,000 |
| Chainat Hornbill | Chainat | Khao Plong Stadium | 8,625 |
| Chiangmai | Chiang Mai | Chiangmai Municipality Stadium | 5,000 |
| Chiangmai United | Chiang Mai | Rajamangala University of technology lanna Stadium (DoiSaket) | 2,500 |
| Customs United | Samut Prakan | Customs Department Stadium, Ladkrabang 54 | 2,000 |
| Kasetsart | Bangkok | TOT Stadium Chaeng Watthana | 5,000 |
| Khonkaen | Khon Kaen | Khonkaen PAO. Stadium | 7,000 |
| Khonkaen United | Khon Kaen | Khonkaen PAO. Stadium | 7,000 |
| Lampang | Lampang | Lampang Provincial Stadium | 5,500 |
| Nakhon Pathom United | Nakhon Pathom | Nakhon Pathom Municipality Sport School Stadium | 6,000 |
| Navy | Chonburi | Sattahip Navy Stadium | 6,000 |
| Nongbua Pitchaya | Nongbua Lamphu | Pitchaya Stadium | 6,000 |
| Phrae United | Phrae | Huai Ma Stadium | 2,500 |
| Ranong United | Ranong | Ranong Provincial Stadium | 7,000 |
| Samut Sakhon | Samut Sakhon | Samut Sakhon Provincial Stadium | 3,500 |
| Sisaket | Sisaket | Sri Nakhon Lamduan Stadium | 10,000 |
| Udon Thani | Udon Thani | IPE Udonthani Stadium | 4,000 |
| Uthai Thani | Uthai Thani | Uthai Thani Province Stadium | 4,477 |

### Personnel

Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality; Club dissolved during season would shown by grey background.
| Team | Head coach | Captain | Kit | Sponsor |
| Ayutthaya United | Santi Chaiyaphuak | Datsakorn Thonglao | Pegansport | Gulf, Chang |
| Chainat Hornbill | Ronald Boretti | Parinya Utapao | Warrix | Wangkanai AirAsia Kubota |
| Chiangmai | Tanongsak Prajakkata | Eakkalak Lungnam | Made by club | Leo Bangkok Airways |
| Chiangmai United | Dennis Amato | Natthapong Samana | Volt | Moose Jele |
| Customs United | Santi Songte | Adisak Ganu | Maximum | Nexx Point Krungthai GSB Thai lottery Customs Department |
| Kasetsart | Paniphon Kerdyam | Sompong Soleb | Versus | Tanowsri Traditional Chicken Atlantic |
| Khonkaen | Pichet Suphomuang | Sarawut Koedsri | Made by club | Leo Muang Thai Insurance |
| Khonkaen United | Patipat Robroo | Douglas Cobo | OCEL | Leo Krungthai-AXA |
| Lampang | Weerayut Binebdullohman | Slanyu Buanaem | Made by club | Bangkok Airways |
| Nakhon Pathom United | Thongchai Sukkoki | Chokchai Chuchai | Made by club | Deedo Chang |
| Navy | Chalermwoot Sa-ngapol | Chusana Numkanitsorn | Versus | Chang |
| Nongbua Pitchaya | Somchai Chuayboonchum | Kittikun Jamsuwan | Warrix | Pitchaya |
| Phrae United | Arnon Bandasak | Pichitphong Choeichiu | Grand Sport | Phrae Sila SAMART |
| Ranong United | Damian Bellón | Witchaya Kaenthong | Eureka | Grand Andaman PTG Leo Air Asia |
| Samut Sakhon | Dragan Djurdjevic | Theerawat Pinpradub | Okane Sport | Thai Union Group Leo |
| Sisaket | Worrawoot Srimaka | Hiromichi Katano | Warrix | Muang Thai Insurance Betagro |
| Udon Thani | Sirisak Yodyardthai | Prakit Deeprom | Versus | Leo AirAsia Fitness First |
| Uthai Thani | Worachai Surinsirirat | Suchon Sa-nguandee | Orca Sport | Panngarm Thaised |

### Managerial changes

| Team | Outgoing manager | Manner of departure | Date of vacancy | Week | Table | Incoming manager |
| Lampang | Punnakan Chiratkankun | Sacked | 6 March 2020 | 4 | 13 | Prasert Changmoon |
| Khonkaen | Sirisak Yodyardthai | Signed by BG Pathum United Academy | 23 May 2020 | 4 | 16 | Jakkrit Bunkham |
| Kasetsart | Somdet Hitates | Resigned | 10 July 2020 | 4 | 12 | Warit Boonsripitayanon |
| Sisaket | Worachai Surinsirirat | Mutual consent | 5 August 2020 | 4 | 8 | Chusak Sriphum |
| Udon Thani | Jakarat Tonhongsa | Signed by Muangthong United Academy | 25 August 2020 | 4 | 14 | Jetsada Jitsawad |
| Uthai Thani | Thanaset Amornsinkittichote | Resigned | 27 September 2020 | 8 | 18 | Therdsak Chaiman |
| Sisaket | Chusak Sriphum | Resigned | 29 September 2020 | 8 | 15 | Preeda Chankra |
| Chiangmai United | Carlos Eduardo Parreira | Resigned | 30 October 2020 | 11 | 2 | Dennis Amato |
| Customs United | Worrawoot Srimaka | Resigned | 14 November 2020 | 13 | 14 | Santi Songte |
| Khon Kaen United | Sugao Kambe | Sacked | 8 March 2021 | 27 | 3 | Patipat Robroo |

### Foreign Players

Players name in bold indicates the player was registered during the mid-season transfer window.
| Club | Player 1 | Player 2 | Player 3 | Asian Player | ASEAN Player 1 | Former |
| Ayutthaya United | Milan Bubalo | Veljko Filipović | | Yoo Byung-soo | | Dennis Nieblas Andrey Coutinho Renshi Yamaguchi Marc Landry Babo Lee Ho |
| Chainat Hornbill | Erivelto | Wellington Priori | Dennis Nieblas | Kazuki Murakami | | André Luís Myat Kaung Khant Harrison Rafael Coelho Simon Dia |
| Chiangmai | Jhonatan Bernardo | Sadney Urikhob | Ryo Matsumura | Yuki Bamba | | Luis Verdini Alex Rafael Dennis Nieblas |
| Chiangmai United | Evandro Paulista | Evson | Melvin de Leeuw | Jeong Woo-geun | Kyaw Ko Ko | Joël Sami Dominic Adiyiah |
| Customs United | Danilo | Boubacar Koné | Henri Jöel | Lee Jeong-jin | | Alexandre Balotelli Yoo Byung-Soo Deyvison Anders Viktor Löfgren Armah Vaikainah Kenzo Nambu |
| Kasetsart | Machado de Souza | Mehdi Chahjouyi | Park Hyun-woo | Seiya Kojima | | Coulibaly Chomana Kim Tae Woong Boubacar Koné Henri Jöel |
| Khonkaen | Cláudio | Pedro Henrique | Yuki Nohara | Seiya Sugishita | | Fellipe Veloso Rosalvo Artur Eiman Kaabi |
| Khonkaen United | Douglas Cobo | Paulo Conrado | David Cuerva | Badar Ali Rashid Ali Al Alawi | Aung Kaung Mann | Jaycee John |
| Lampang | Alex Rafael | Diego Emilio Silva | | Renshi Yamaguchi | Todd Rivaldo Ferre | Kevin Brands Tomas Maricic Rodrigo Maranhão Aung Kaung Mann Coulibaly Chomana Douglas Mineiro |
| Nakhon Pathom United | Tauã | Neto Santos | Lesley Ablorh | Hamed Bakhtiari | Phoutthasay Khochalern | Pedro Dias Mustafa Azadzoy Stefano Yuri |
| Navy | Douglas | Frauches | | Tatsuya Sakai | | Goshi Okubo Erivelto Neto Santos Prince Amponsah |
| Nongbua Pitchaya | Valdo | Douglas Mineiro | Greg Houla | Cho Sung-hwan | Nicholas Swirad | Marcos Vinícius Njiva Rakotoharimalala Tiago Chulapa |
| Phrae United | Carlos Santos | Wellington Adão | Mark Lester Blanco | Taku Ito | | Isaka Cernak |
| Ranong United | Rafael Roque | Kaham Seuntcha Mardochee | Frank Touko Nzola | Selwan Al Jaberi | Suan Lam Mang | Kassiano Soares Badar Ali Rashid Ali Al Alawi Jhonatan Bernardo Julius Chukwuma Ononiwu |
| Samut Sakhon | Nemanja Ilić | Igor Banović | | Akhlidin Israilov | | Evgeni Kabaev |
| Sisaket | Marc Landry Babo | Evgeni Kabaev | Kento Nagasaki | Hiromichi Katano | | Willen Mota Valci Júnior Alex Ruela |
| Udon Thani | Thales Lima | Aleksandar Kapisoda | Arnold Suew | | | Jesse Curran João Paulo |
| Uthai Thani | Felipe Wallace do Nascimento | Daiki Konomura | Kenzo Nambu | Jong-oh Park | | Jardel Capistrano Park Jae-hyeong Moreira Diego Emilio Silva Prince Amponsah Thales Lima Soukaphone Vongchiengkham |

## League table
### Standings

| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification |
| 1 | Nongbua Pitchaya (C, P) | 34 | 21 | 12 | 1 | 63 | 16 | +47 | 75 | Promotion to Thai League 1 |
| 2 | Chiangmai United (P) | 34 | 20 | 9 | 5 | 64 | 28 | +36 | 69 | Promotion to Thai League 1 |
| 3 | Nakhon Pathom United | 34 | 17 | 10 | 7 | 66 | 36 | +30 | 61 | Play off to Thai League 1 |
| 4 | Khonkaen United (O, P) | 34 | 18 | 6 | 10 | 56 | 37 | +19 | 60 | Play off to Thai League 1 |
| 5 | Phrae United | 34 | 16 | 11 | 7 | 49 | 27 | +22 | 59 | Play off to Thai League 1 |
| 6 | Chainat Hornbill | 34 | 16 | 9 | 9 | 61 | 47 | +14 | 57 | Play off to Thai League 1 |
| 7 | Chiangmai | 34 | 16 | 8 | 10 | 56 | 45 | +11 | 56 | |
| 8 | Ranong United | 34 | 16 | 5 | 13 | 45 | 41 | +4 | 53 | |
| 9 | Ayutthaya United | 34 | 13 | 8 | 13 | 46 | 45 | +1 | 47 | |
| 10 | Khonkaen | 34 | 11 | 8 | 15 | 34 | 38 | −4 | 41 | |
| 11 | Navy | 34 | 11 | 7 | 16 | 47 | 53 | −6 | 40 | |
| 12 | Lampang | 34 | 11 | 7 | 16 | 39 | 46 | −7 | 40 | |
| 13 | Customs United | 34 | 11 | 6 | 17 | 37 | 62 | −25 | 39 | |
| 14 | Kasetsart | 34 | 11 | 5 | 18 | 36 | 53 | −17 | 38 | |
| 15 | Udon Thani | 34 | 9 | 11 | 14 | 44 | 46 | −2 | 38 | |
| 16 | Sisaket (R) | 34 | 9 | 9 | 16 | 34 | 44 | −10 | 36 | Relegation to Thai League 3 |
| 17 | Uthai Thani (R) | 34 | 5 | 10 | 19 | 34 | 53 | −19 | 25 | Relegation to Thai League 3 |
| 18 | Samut Sakhon (R) | 34 | 2 | 5 | 27 | 25 | 119 | −94 | 11 | Relegation to Thai League 3 |
* 1 2 Navy finished ahead of Lampang on head-to-head points: Navy 1–0 Lampang, Lampang 1–2 Navy.
* 1 2 Kasetsart finished ahead of Udon Thani on head-to-head points: Kasetsart 2–1 Udon Thani, Udon Thani 0–0 Kasetsart.

### Promotion play-offs

| Semi-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals | Finals | Finals | Finals | Finals | Finals |
| 5 | Phrae United | 1 | 1 | 2 | | | | | |
| 4 | Khon Kaen United | 3 | 2 | 5 | | | | | |
| 4 | Khon Kaen United | 3 | 2 | 5 | Khon Kaen United (p) | Khon Kaen United (p) | 2 | 1 | 3 (4) |
| | | | | | Nakhon Pathom United | Nakhon Pathom United | 1 | 2 | 3 (3) |
| 6 | Chainat Hornbill | 1 | 0 | 1 | Nakhon Pathom United | Nakhon Pathom United | 1 | 2 | 3 (3) |
| 3 | Nakhon Pathom United | 2 | 2 | 4 | | | | | |

#### Semi-finals

Khon Kaen United won 5–2 on aggregate.
Nakhon Pathom United won 4–1 on aggregate.

#### Finals

3–3 on aggregate. Khon Kaen United won 4–3 on penalties.

### Positions by round

The table lists the positions of teams after each week of matches. In order to preserve chronological evolvements, any postponed matches are not included in the round at which they were originally scheduled, but added to the full round they were played immediately afterwards. For example, if a match is scheduled for matchday 13, but then postponed and played between days 16 and 17, it will be added to the standings for day 16.
| Team ╲ Round | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 |
| Nongbua Pitchaya | 1 | 3 | 2 | 1 | 1 | 3 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Chiangmai United | 5 | 2 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 3 | 3 | 2 | 3 | 3 | 3 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Nakhon Pathom United | 15 | 8 | 10 | 11 | 8 | 10 | 8 | 9 | 8 | 7 | 5 | 5 | 5 | 3 | 2 | 4 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 4 | 4 | 3 | 3 | 3 | 4 | 3 |
| Khonkaen United | 3 | 1 | 3 | 5 | 7 | 9 | 7 | 6 | 4 | 2 | 3 | 2 | 2 | 2 | 5 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 5 | 4 | 3 | 4 |
| Phrae United | 16 | 9 | 6 | 6 | 3 | 1 | 4 | 3 | 5 | 5 | 7 | 6 | 6 | 5 | 6 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 6 | 6 | 4 | 5 | 6 | 5 |
| Chainat Hornbill | 4 | 10 | 9 | 10 | 5 | 5 | 5 | 8 | 10 | 9 | 10 | 10 | 10 | 10 | 8 | 8 | 8 | 8 | 8 | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 7 | 7 | 7 | 7 | 6 | 5 | 6 |
| Chiangmai | 7 | 14 | 7 | 4 | 6 | 8 | 6 | 4 | 3 | 4 | 4 | 4 | 4 | 6 | 5 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 5 | 6 | 5 | 5 | 6 | 7 | 7 | 7 |
| Ranong United | 17 | 17 | 12 | 9 | 9 | 6 | 10 | 7 | 6 | 8 | 6 | 7 | 7 | 8 | 10 | 10 | 12 | 13 | 13 | 12 | 13 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 |
| Ayutthaya United | 13 | 18 | 18 | 18 | 15 | 15 | 15 | 14 | 11 | 11 | 9 | 9 | 9 | 7 | 7 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 |
| Khonkaen | 10 | 12 | 16 | 16 | 17 | 18 | 18 | 17 | 17 | 16 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 11 | 10 | 12 | 10 | 10 | 10 | 10 |
| Navy | 2 | 4 | 4 | 3 | 4 | 4 | 3 | 5 | 7 | 6 | 8 | 8 | 8 | 9 | 9 | 9 | 11 | 12 | 10 | 8 | 9 | 9 | 10 | 9 | 10 | 10 | 10 | 10 | 12 | 10 | 11 | 11 | 11 | 11 |
| Lampang | 14 | 16 | 11 | 13 | 13 | 13 | 12 | 12 | 9 | 10 | 11 | 13 | 13 | 12 | 11 | 11 | 9 | 10 | 9 | 10 | 11 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 14 | 14 | 14 | 12 | 13 | 12 |
| Customs United | 9 | 6 | 8 | 7 | 10 | 12 | 11 | 11 | 14 | 12 | 12 | 15 | 14 | 13 | 12 | 12 | 13 | 11 | 12 | 11 | 12 | 10 | 12 | 12 | 13 | 12 | 11 | 12 | 11 | 13 | 13 | 14 | 15 | 13 |
| Kasetsart | 18 | 7 | 13 | 12 | 14 | 14 | 14 | 13 | 15 | 13 | 14 | 11 | 12 | 11 | 13 | 14 | 10 | 9 | 11 | 13 | 10 | 12 | 9 | 11 | 11 | 11 | 12 | 13 | 13 | 11 | 12 | 13 | 12 | 14 |
| Udon Thani | 11 | 11 | 14 | 14 | 12 | 7 | 9 | 10 | 13 | 15 | 16 | 12 | 11 | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 15 | 15 | 16 | 16 | 15 | 16 | 15 |
| Sisaket | 6 | 5 | 5 | 8 | 11 | 11 | 13 | 15 | 12 | 14 | 13 | 14 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 16 | 16 | 15 | 15 | 16 | 14 | 16 |
| Uthai Thani | 12 | 13 | 17 | 15 | 16 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Samut Sakhon | 8 | 15 | 15 | 17 | 18 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
* Leader and qualification to the 2021–22 Thai League
* Promotion to the 2021–22 Thai League
* Play off to the 2021–22 Thai League
* Relegation to the 2021–22 Thai League 3

### Results by match played

| Team ╲ Round | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 |
| Nongbua Pitchaya | W | W | W | D | D | D | W | W | W | W | W | W | W | D | W | W | W | D | W | D | D | D | W | W | D | W | D | D | D | W | W | W | L | W |
| Chiangmai United | W | W | W | D | D | D | W | W | W | D | W | L | D | L | W | W | D | L | W | W | D | W | W | W | W | D | W | W | W | W | W | L | D | L |
| Nakhon Pathom United | L | W | L | D | W | L | W | L | W | W | W | D | W | W | W | L | D | L | W | D | W | D | D | D | W | D | D | W | W | W | L | W | D | W |
| Khonkaen United | W | W | D | L | W | W | D | W | W | D | W | W | L | L | L | W | W | W | W | D | W | W | W | W | D | D | L | L | L | L | L | W | W | L |
| Phrae United | L | W | W | D | W | W | L | W | L | D | L | W | W | W | D | D | W | D | W | W | W | W | L | D | D | D | L | D | L | W | W | D | D | W |
| Chainat Hornbill | W | L | D | D | W | W | D | L | L | D | L | W | L | W | D | W | L | W | L | D | W | D | W | W | D | W | D | W | W | L | W | W | W | L |
| Chiangmai | D | L | W | W | L | D | W | W | W | L | W | D | W | L | W | L | D | W | W | D | W | D | D | L | W | L | W | L | W | W | L | L | D | W |
| Ranong United | L | L | W | W | D | W | L | W | W | L | W | L | D | L | L | L | L | D | L | W | L | W | D | W | D | W | W | W | L | W | W | W | L | W |
| Ayutthaya United | L | L | L | D | W | D | L | W | W | D | W | D | W | W | W | W | D | L | L | W | L | D | D | W | W | L | W | L | L | L | L | L | D | W |
| Khonkaen | D | L | L | D | L | L | L | D | D | W | W | D | L | W | L | L | W | D | L | L | L | L | D | W | D | W | W | W | W | L | W | W | L | L |
| Navy | W | W | D | W | D | W | L | L | L | W | L | L | W | L | L | L | L | D | W | W | L | D | D | W | L | L | D | D | L | W | L | L | W | L |
| Lampang | L | L | W | L | W | L | W | D | W | L | L | L | D | W | W | L | W | L | W | L | L | L | D | L | D | D | L | D | D | L | W | W | L | W |
| Customs United | D | W | L | L | L | L | W | L | L | D | D | L | D | W | W | L | L | W | L | W | L | W | L | L | L | W | D | L | W | L | L | L | D | W |
| Kasetsart | L | W | L | D | L | D | L | W | L | W | L | W | L | W | D | L | W | W | L | L | W | L | W | L | L | D | L | L | W | W | L | L | D | L |
| Udon Thani | D | L | D | D | W | W | D | L | L | L | L | W | D | D | L | W | L | D | D | L | W | L | L | L | L | D | L | W | D | L | W | W | D | W |
| Sisaket | W | W | D | L | L | L | L | L | W | L | D | D | L | L | L | D | L | W | D | L | L | D | L | L | W | D | W | L | D | W | W | D | W | L |
| Uthai Thani | D | L | L | D | D | L | L | L | L | D | D | L | L | L | D | W | W | L | L | D | W | L | D | L | D | L | D | W | L | L | L | L | W | L |
| Samut Sakhon | D | L | D | L | L | W | L | L | L | D | L | L | D | L | L | W | L | L | L | L | L | D | L | L | L | L | L | L | L | L | L | L | L | L |

## Results

| Home \ Away | AYU | CHB | CHM | CMU | CTU | KAS | KHO | KKU | LAM | NPU | NAV | NON | PRU | RNU | SAM | SIS | UDT | UTT |
| Ayutthaya United | — | 2–0 | 3–2 | 0–1 | 2–2 | 2–1 | 1–2 | 0–1 | 1–2 | 1–1 | 2–3 | 1–1 | 0–2 | 3–1 | 3–0 | 2–1 | 2–1 | 0–1 |
| Chainat Hornbill | 2–0 | — | 3–1 | 3–1 | 4–2 | 2–0 | 2–0 | 1–1 | 1–2 | 3–3 | 2–1 | 1–1 | 1–0 | 4–1 | 7–1 | 2–0 | 2–2 | 1–1 |
| Chiangmai | 1–0 | 5–0 | — | 1–1 | 4–1 | 5–0 | 1–1 | 1–0 | 2–0 | 2–1 | 1–1 | 0–5 | 1–0 | 2–2 | 3–1 | 2–1 | 1–3 | 3–0 |
| Chiangmai United | 0–1 | 3–0 | 0–0 | — | 5–0 | 3–0 | 1–0 | 1–0 | 3–0 | 1–0 | 4–1 | 0–0 | 2–2 | 2–0 | 2–1 | 1–0 | 6–0 | 1–0 |
| Customs United | 2–0 | 2–3 | 0–3 | 0–1 | — | 2–0 | 1–1 | 0–3 | 2–0 | 0–2 | 2–0 | 1–2 | 1–1 | 2–3 | 0–0 | 2–1 | 1–0 | 1–1 |
| Kasetsart | 1–1 | 1–1 | 1–2 | 3–3 | 3–1 | — | 0–1 | 0–1 | 1–0 | 0–1 | 2–0 | 0–3 | 1–0 | 1–0 | 5–0 | 1–0 | 2–1 | 1–0 |
| Khonkaen | 1–3 | 2–1 | 4–1 | 0–0 | 0–1 | 1–0 | — | 3–3 | 1–0 | 1–2 | 2–3 | 0–1 | 0–0 | 1–2 | 4–1 | 1–2 | 1–3 | 1–0 |
| Khonkaen United | 3–0 | 3–0 | 0–0 | 4–1 | 3–1 | 4–1 | 1–1 | — | 2–1 | 0–1 | 2–0 | 1–3 | 1–2 | 1–0 | 3–0 | 0–1 | 2–1 | 4–1 |
| Lampang | 1–1 | 1–1 | 1–0 | 3–1 | 0–1 | 2–1 | 0–0 | 3–0 | — | 0–3 | 1–2 | 0–3 | 0–1 | 0–1 | 3–1 | 4–3 | 0–0 | 1–0 |
| Nakhon Pathom United | 1–1 | 1–2 | 2–0 | 3–2 | 3–0 | 5–1 | 1–1 | 4–0 | 2–2 | — | 4–2 | 0–0 | 0–0 | 0–1 | 6–0 | 3–1 | 4–3 | 4–2 |
| Navy | 2–3 | 0–1 | 2–2 | 0–1 | 4–1 | 1–0 | 0–1 | 0–2 | 1–0 | 0–0 | — | 0–1 | 1–2 | 2–0 | 4–0 | 2–4 | 3–2 | 3–1 |
| Nongbua Pitchaya | 1–1 | 1–0 | 4–1 | 0–0 | 6–0 | 3–0 | 1–0 | 3–1 | 1–1 | 2–2 | 1–2 | — | 3–2 | 0–0 | 5–1 | 4–0 | 1–0 | 1–0 |
| Phrae United | 2–0 | 2–1 | 1–3 | 2–2 | 4–1 | 2–0 | 1–0 | 2–0 | 3–0 | 2–0 | 1–1 | 0–1 | — | 1–1 | 4–0 | 2–2 | 0–0 | 1–1 |
| Ranong United | 2–0 | 1–0 | 1–2 | 1–1 | 1–3 | 3–2 | 2–1 | 1–2 | 2–1 | 0–1 | 2–1 | 0–1 | 2–1 | — | 2–1 | 1–0 | 3–2 | 0–1 |
| Samut Sakhon | 1–4 | 2–2 | 2–2 | 1–5 | 0–3 | 1–4 | 2–0 | 2–4 | 1–7 | 1–3 | 1–1 | 0–4 | 0–2 | 0–6 | — | 1–1 | 2–5 | 0–4 |
| Sisaket | 0–2 | 1–3 | 2–0 | 2–3 | 0–1 | 2–2 | 0–1 | 0–0 | 3–0 | 0–0 | 2–1 | 0–0 | 0–0 | 1–0 | 0–1 | — | 1–1 | 2–1 |
| Udon Thani | 0–1 | 0–2 | 2–0 | 0–2 | 2–0 | 0–0 | 1–0 | 1–1 | 1–1 | 2–1 | 0–0 | 1–1 | 0–2 | 0–2 | 7–0 | 0–0 | — | 1–1 |
| Uthai Thani | 2–2 | 3–3 | 0–1 | 0–4 | 0–0 | 0–1 | 0–1 | 1–3 | 0–2 | 3–2 | 2–2 | 0–0 | 1–2 | 1–1 | 5–0 | 0–1 | 1–2 | — |

## Season statistics
### Top scorers

    As of 31 March 2021.
| Rank | Player | Club | Goals |
| 1 | Paulo Conrado | Khonkaen United | 25 |
| 2 | Yoo Byung-soo | Customs United (2 Goals) Ayutthaya United (20 Goals) | 22 |
| 2 | Tauã | Nakhon Pathom United | 22 |
| 4 | Melvin de Leeuw | Chiangmai United | 17 |
| 5 | Ryo Matsumura | Chiangmai | 16 |
| 6 | Erivelto | Navy (8 Goals) Chainat Hornbill (6 Goals) | 14 |
| 6 | Valdo | Nongbua Pitchaya | 14 |
| 8 | Jeong Woo-geun | Chiangmai United | 13 |
| 9 | Seiya Sugishita | Khonkaen | 12 |
| 9 | Jiraphan Phasukhan | Nakhon Pathom United | 12 |

### Hat-tricks

| Player | For | Against | Result | Date |
| Jardel Capistrano | Uthai Thani | Chainat Hornbill | 3–3 (H) | 1 March 2020 |
| Paulo Conrado | Khonkaen United | Samut Sakhon | 4–2 (A) | 20 September 2020 |
| Paulo Conrado | Khonkaen United | Khonkaen | 3–3 (A) | 3 October 2020 |
| Tawin Butsombat | Chiangmai United | Udon Thani | 6–0 (H) | 4 October 2020 |
| Tauã | Nakhon Pathom United | Kasetsart | 5–1 (H) | 4 October 2020 |
| Kento Nagasaki | Sisaket | Royal Thai Navy | 4–2 (A) | 4 October 2020 |
| Njiva Rakotoharimalala$^4$ | Nongbua Pitchaya | Chiangmai | 5–0 (A) | 18 October 2020 |
| João Paulo$^4$ | Udon Thani | Samut Sakhon | 5–2 (A) | 1 November 2020 |
| Machado de Souza | Kasetsart | Samut Sakhon | 4–1 (A) | 3 February 2021 |
| Anusak Laosangthai | Ranong United | Samut Sakhon | 6–0 (A) | 10 February 2021 |
| Apiwit Samurmuen | Kasetsart | MOF Customs United | 3–1 (H) | 21 February 2021 |
| Greg Houla | Nongbua Pitchaya | Samut Sakhon | 5–1 (H) | 24 February 2021 |
| Yoo Byung-soo | Ayutthaya United | Samut Sakhon | 4–1 (A) | 27 February 2021 |
| Warayut Klomnak | Chainat Hornbill | Samut Sakhon | 7–1 (H) | 3 March 2021 |
| Supakit Niamkong | Customs United | Samut Sakhon | 3–0 (A) | 13 March 2021 |
| Tauã | Nakhon Pathom United | Samut Sakhon | 6–0 (H) | 17 March 2021 |
| Ayu Lateh | Lampang | Samut Sakhon | 7–1 (A) | 20 March 2021 |

### Clean sheets

    As of 24 April 2021.
| Rank | Player | Club | Clean sheets |
| 1 | Kittikun Jamsuwan | Nongbua Pitchaya | 21 |
| 2 | Nont Muangngam | Chiangmai United | 16 |
| 3 | Nopphon Lakhonphon | Nakhon Pathom United | 11 |
| 3 | Pathomtat Sudprasert | Phrae United | 11 |
| 5 | Narit Taweekul | Khon Kaen | 10 |
| 5 | Jirawat Wangtapan | Khon Kaen United | 10 |
| 7 | Korraphat Nareechan | Chiangmai | 9 |
| 8 | Kittipun Saensuk | Chainat Hornbill | 7 |
| 8 | Piyawat Intarapim | Samut Sakhon (2), MOF Customs United (5) | 7 |
| 8 | Prin Goonchorn | Sisaket | 7 |
| 8 | Pisan Dorkmaikaew | MOF Customs United (2), Uthai Thani (5) | 7 |
| 12 | Boonyakait Wongsajaem | Navy | 6 |
| 12 | Wichaya Ganthong | Ranong United | 6 |
| 14 | Tatpicha Aksornsri | Ayutthaya United | 5 |

## Attendances
### Overall statistical table

| Pos | Team | Total | High | Low | Average | Change |
| 1 | Khonkaen United | 37,506 | 5,218 | 0 | 2,885 | −34.3%$^†$ |
| 2 | Khonkaen | 27,063 | 4,155 | 0 | 2,082 | −22.0%$^†$ |
| 3 | Nongbua Pitchaya | 21,432 | 3,098 | 0 | 1,531 | +6.7%$^†$ |
| 4 | Chainat Hornbill | 18,572 | 2,315 | 0 | 1,429 | −64.4%$^†$ |
| 5 | Sisaket | 18,171 | 3,540 | 0 | 1,298 | −56.4%$^†$ |
| 6 | Chiangmai | 15,267 | 2,537 | 0 | 1,174 | −66.3%$^†$ |
| 7 | Udon Thani | 13,733 | 2,844 | 0 | 1,144 | −58.2%$^†$ |
| 8 | Uthai Thani | 12,086 | 2,680 | 0 | 930 | −31.7%$^†$ |
| 9 | Nakhon Pathom United | 11,473 | 1,625 | 0 | 883 | −25.6%$^†$ |
| 10 | Ayutthaya United | 10,899 | 1,873 | 0 | 838 | −12.3%$^†$ |
| 11 | Ranong United | 11,030 | 1,250 | 0 | 788 | +77.9%$^†$ |
| 12 | Navy | 10,225 | 1,275 | 0 | 787 | −38.4%$^†$ |
| 13 | Phrae United | 9,868 | 1,237 | 0 | 759 | +45.1%$^†$ |
| 14 | Kasetsart | 7,668 | 1,102 | 0 | 639 | +10.0%$^†$ |
| 15 | Chiangmai United | 7,723 | 1,519 | 0 | 594 | +10.4%$^†$ |
| 16 | Lampang | 7,176 | 1,059 | 0 | 552 | −45.8%$^†$ |
| 17 | Customs United | 5,920 | 615 | 0 | 455 | −22.5%$^†$ |
| 18 | Samut Sakhon | 3,813 | 875 | 0 | 347 | −64.5%$^†$ |
| | League total | 249,625 | 5,218 | 0 | 1,071 | −32.3%$^†$ |
Updated to games played on 31 March 2021 Source: Thai League Notes: $^†$ Teams played previous season in Thai League 3

### Attendances by home match played

| Team \ Match played | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | Total |
| Ayutthaya United | 1,873 | 1,441 | 831 | 883 | 1,056 | 892 | 713 | 756 | 0 | 0 | 0 | 0 | 575 | 531 | 437 | 420 | 491 | 10,899 |
| Chainat Hornbill | 1,992 | 1,372 | 1,781 | 1,559 | 1,336 | 1,022 | 1,013 | 1,129 | 0 | 0 | 0 | 0 | 912 | 1,317 | 1,682 | 1,142 | 2,315 | 18,572 |
| Chiangmai | 2,425 | 2,537 | 704 | 689 | 543 | 1,240 | 1,126 | 987 | 1,498 | 0 | 0 | 0 | 0 | 692 | 730 | 991 | 1,105 | 15,267 |
| Chiangmai United | 1,451 | 1,519 | 389 | 284 | 339 | 323 | 304 | 340 | 0 | 0 | 0 | 0 | 319 | 480 | 526 | 699 | 750 | 7,723 |
| Customs United | 615 | 400 | 480 | 320 | 580 | 580 | 300 | 300 | 500 | 0 | 0 | 0 | 0 | 585 | 200 | 480 | 580 | 5,920 |
| Kasetsart | 372 | 345 | 1,102 | 972 | 931 | 406 | 542 | 840 | 0 | 0 | 0 | 0 | 492 | 672 | 472 | 522 | Unk.2 | 7,668 |
| Khonkaen | 4,155 | 3,794 | 1,135 | 1,235 | 1,230 | 3,138 | 3,020 | 2,369 | 0 | 0 | 0 | 0 | 1,373 | 1,227 | 1,215 | 1,246 | 1,926 | 27,063 |
| Khonkaen United | 5,218 | 5,031 | 1,594 | 1,587 | 1,574 | 3,049 | 3,016 | 3,163 | 3,048 | 0 | 0 | 0 | 0 | 1,590 | 1,587 | 2,965 | 2,494 | 37,506 |
| Lampang | 823 | 915 | 1,059 | 724 | 680 | 372 | 580 | 510 | 245 | 0 | 0 | 0 | 0 | 245 | 228 | 375 | 420 | 7,176 |
| Nakhon Pathom United | 1,625 | 1,250 | 710 | 650 | 721 | 1,350 | 708 | 732 | 0 | 0 | 0 | 0 | 650 | 680 | 550 | 747 | 1,100 | 11,473 |
| Navy | 1,275 | 1,260 | 788 | 1,134 | 690 | 619 | 709 | 661 | 0 | 0 | 0 | 0 | 726 | 398 | 618 | 775 | 572 | 10,225 |
| Nongbua Pitchaya | 1,692 | 1,623 | 718 | 593 | 725 | 1,524 | 1,224 | 2,901 | 827 | 0 | 0 | 0 | 1,100 | 1,000 | 2,607 | 1,800 | 3,098 | 21,432 |
| Phrae United | 914 | 1,237 | 658 | 695 | 698 | 924 | 596 | 701 | 729 | 0 | 0 | 0 | 0 | 519 | 567 | 601 | 1,029 | 9,868 |
| Ranong United | 1,200 | 1,250 | 600 | 650 | 720 | 568 | 836 | 578 | 450 | 0 | 0 | 0 | 630 | 660 | 910 | 960 | 1,018 | 11,030 |
| Samut Sakhon | 875 | 658 | 393 | 322 | 352 | 220 | 345 | 327 | 172 | 0 | 0 | 0 | 0 | 0 | 100 | 0 | 49 | 3,813 |
| Sisaket | 3,540 | 2,164 | 1,547 | 1,535 | 2,090 | 1,002 | 805 | 403 | 562 | 120 | 0 | 0 | 0 | 672 | 1,003 | 1,108 | 1,620 | 18,171 |
| Udon Thani | 2,844 | 1,335 | 1,500 | 1,500 | 1,500 | 642 | 717 | 1,191 | 527 | 0 | 0 | 0 | 0 | Unk.1 | 447 | 552 | 978 | 13,733 |
| Uthai Thani | 2,348 | 2,680 | 588 | 485 | 810 | 1,066 | 320 | 503 | 453 | 0 | 0 | 0 | 0 | 450 | 708 | 925 | 750 | 12,086 |
Source: Thai League Note: Unk.1 Some error of T2 official match report 3 March 2021 (Udon Thani 1–1 Khonkaen United). Unk.2 Some error of T2 official match report 31 March 2021 (Kasetsart 0–3 Nongbua Pitchaya).