# 2020–21 Thai League 3 National Championship

The National Championship was the next stage from the regional stage of 2020–21 Thai League 3. The winners and runners-ups of each region would qualified to this round to finding three clubs promoting to the 2021–22 Thai League 2.

## Teams

| Team | Qualifying method |
| Lamphun Warriors | Northern region champions |
| Phitsanulok | Northern region play-off winner |
| Udon United | Northeastern region champions |
| Muang Loei United | Northeastern region runners-up |
| Pluakdaeng United | Eastern region champions |
| Chachoengsao Hi-Tek | Eastern region runners-up |
| Muangkan United | Western region champions |
| Rajpracha | Western region runners-up |
| Songkhla | Southern region champions |
| Krabi | Southern region runners-up |
| North Bangkok University | Bangkok Metropolitan region champions |
| Bangkok | Bangkok Metropolitan region play-off winner |
Note:
* ↑ The second-placed and the third-placed of the Northern region have similar points, so they must play-off to find a team to qualified to the national championship stage.
* ↑ The second-placed and the third-placed of the Bangkok Metropolitan region have similar points, so they must play-off to find a team to qualified to the national championship stage.

## Qualifying play-offs
### Play-off round

| Team 1 | Score | Team 2 |
| Northern region |||
| Maejo United | 1–2 | Phitsanulok |
| Bangkok metropolitan region |||
| Nonthaburi United S.Boonmeerit | 2–6 | Bangkok |
    Northern region
    Bangkok metropolitan region

## Group stage
### Upper region

| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification | LPW | UDU | CCH | PDU | PLK | MLU |
| 1 | Lamphun Warriors (C, P) | 5 | 4 | 0 | 1 | 8 | 5 | +3 | 12 | Qualification to the final and promotion to the 2021–22 Thai League 2 | — | 0–3 | 1–0 | — | 3–0 | — |
| 2 | Udon United | 5 | 3 | 1 | 1 | 8 | 3 | +5 | 10 | Qualification to the third place play-off | — | — | 3–1 | 0–0 | 0–1 | — |
| 3 | Chachoengsao Hi-Tek | 5 | 3 | 0 | 2 | 11 | 5 | +6 | 9 | | — | — | — | 2–1 | — | 7–0 |
| 4 | Pluakdaeng United | 5 | 2 | 1 | 2 | 10 | 5 | +5 | 7 | | 1–2 | — | — | — | 4–1 | 4–0 |
| 5 | Phitsanulok | 5 | 1 | 1 | 3 | 2 | 8 | −6 | 4 | | — | — | 0–1 | — | — | 0–0 |
| 6 | Muang Loei United | 5 | 0 | 1 | 4 | 2 | 15 | −13 | 1 | | 1–2 | 1–2 | — | — | — | — |

### Lower region

| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification | MKU | RAJ | KBI | SON | NBU | BKK |
| 1 | Muangkan United (P) | 5 | 3 | 2 | 0 | 7 | 1 | +6 | 11 | Qualification to the final and promotion to the 2021–22 Thai League 2 | — | 1–1 | — | 3–0 | — | 2–0 |
| 2 | Rajpracha (O, P) | 5 | 3 | 1 | 1 | 10 | 5 | +5 | 10 | Qualification to the third place play-off | — | — | — | 2–0 | 1–0 | — |
| 3 | Krabi | 5 | 2 | 1 | 2 | 6 | 6 | 0 | 7 | | 0–1 | 1–0 | — | — | — | — |
| 4 | Songkhla | 5 | 1 | 2 | 2 | 6 | 10 | −4 | 5 | | — | — | 2–2 | — | 2–1 | 2–2 |
| 5 | North Bangkok University | 5 | 1 | 1 | 3 | 3 | 5 | −2 | 4 | | 0–0 | — | 1–2 | — | — | 1–0 |
| 6 | Bangkok | 5 | 1 | 1 | 3 | 7 | 12 | −5 | 4 | | — | 3–6 | 2–1 | — | — | — |
* 1 2 North Bangkok University ahead on head-to-head record; North Bangkok University 3 pts, Bangkok 0 pts.

## Knockout stage

Winners, runners-up, and third place of 2020–21 Thai League 3 would be promoted to the 2021–22 Thai League 2.

### Third place play-off
#### Summary

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Udon United | 1–2 | Rajpracha | 1–0 | 0–2 |

#### Matches

Rajpracha won 2–1 on aggregate.

### Final
#### Summary

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Lamphun Warriors | 3–2 | Muangkan United | 2–0 | 1–2 (a.e.t.) |

#### Matches
##### 1st leg

| Lamphun Warriors | Muangkan United |
| Lineups: ||
| GK | 18 | Adisak Duangsri |
| CB | 23 | Witthawin Klorwuttiwat |
| CB | 70 | Tana Sripandorn (c) |
| CB | 97 | Torsak Saartaiam |
| RM | 33 | Thanakorn Navanit | | 23' |
| CM | 8 | Akarapong Pumwisat |
| CM | 22 | Athit Wisetsilp |
| LM | 15 | Tongchai Ponang |
| RF | 66 | Anan Yodsangwal | | | 50' |
| CF | 37 | João Paulo | 45', 60' | | 90+3' |
| LF | 14 | Janepob Phokhi | | | 81' |
| Substitutes: ||
| GK | 36 | Surasak Thong-aon |
| DF | 13 | Siriphong Ainta |
| DF | 55 | Thanadol Dumponngam |
| MF | 24 | Adul Namwong |
| MF | 35 | Siripong Kongjaopha | | | 81' |
| MF | 99 | Nithikon Thaninchotirath |
| FW | 7 | André Luís | | | 50' |
| FW | 20 | Nutchanon Khaowsaard |
| FW | 26 | Sarawut Sintupun | | | 90+3' |
| Head Coach: ||
| Jongsarith Wuttichuay ||
| Lineups: ||
| GK | 18 | Suntiparp Boonlkilang |
| RB | 6 | Chindanai Wongprasert |
| CB | 15 | Patipan Un-op | 45+2' |
| CB | 16 | Koravit Namwiset |
| LB | 23 | Rattasak Wiang-in |
| DM | 35 | Saharat Panmarchya |
| DM | 8 | Suchao Nuchnum (c) |
| RM | 14 | Montree Promsawat | | 71' |
| AM | 38 | Amorntep Nilnoy | | 63' |
| LM | 13 | Chakrit Rawanprakone | | 56' |
| CF | 27 | Bireme Diouf | 74' |
| Substitutes: ||
| GK | 1 | Kantaphat Manpati |
| DF | 4 | Nattakrit Thongnoppakun |
| DF | 24 | Jiranchai Arnanatiudom |
| DF | 48 | Zady Moise Gnenegbe |
| MF | 31 | Anusorn Phrmprasit |
| FW | 10 | Yuttana Ruangsuksut |
| FW | 17 | Patiphan Pinsermsootsri | | 56' |
| FW | 19 | Stéfano Yuri | | 71' |
| FW | 33 | Naphat Thamrongsupakorn | | 63' |
| Head Coach: ||
| Jadet Meelarp ||

##### 2nd leg

| Muangkan United | Lamphun Warriors |
| Lineups: ||
| GK | 18 | Suntiparp Boonlkilang |
| RB | 6 | Chindanai Wongprasert | | 108' |
| CB | 48 | Zady Moise Gnenegbe | | 18' |
| CB | 16 | Koravit Namwiset |
| LB | 23 | Rattasak Wiang-in | | | 100' |
| DM | 35 | Saharat Panmarchya | | 90+5' |
| DM | 8 | Suchao Nuchnum (c) |
| RM | 14 | Montree Promsawat | | | 53' |
| AM | 38 | Amorntep Nilnoy | 23' | | 59' |
| LM | 13 | Chakrit Rawanprakone | 6' | | 91' |
| CF | 27 | Bireme Diouf |
| Substitutes: ||
| GK | 1 | Kantaphat Manpati |
| DF | 4 | Nattakrit Thongnoppakun | | | 100' |
| DF | 24 | Jiranchai Arnanatiudom |
| DF | 99 | Dantrai Longjumnong |
| MF | 31 | Anusorn Phrmprasit | | | 91' |
| FW | 10 | Yuttana Ruangsuksut | | | 53' |
| FW | 17 | Patiphan Pinsermsootsri | | 120+3' | 59' |
| FW | 19 | Stéfano Yuri |
| FW | 33 | Naphat Thamrongsupakorn |
| Head Coach: ||
| Jadet Meelarp ||
| Lineups: ||
| GK | 18 | Adisak Duangsri |
| RB | 33 | Thanakorn Navanit | | | 83' |
| CB | 23 | Witthawin Klorwuttiwat | | 70' | 91' |
| CB | 70 | Tana Sripandorn (c) |
| LB | 97 | Torsak Saartaiam |
| RM | 8 | Akarapong Pumwisat |
| CM | 35 | Siripong Kongjaopha | | | 26' |
| CM | 22 | Athit Wisetsilp | | 90+3' | 102' |
| LM | 15 | Tongchai Ponang |
| CF | 37 | João Paulo | 101' |
| CF | 7 | André Luís | | 103' |
| Substitutes: ||
| GK | 36 | Surasak Thong-aon |
| DF | 55 | Thanadol Dumponngam |
| MF | 24 | Adul Namwong |
| MF | 28 | Kittisak Boontha |
| MF | 99 | Nithikon Thaninchotirath | | | 102' |
| FW | 14 | Janepob Phokhi | | | 26' |
| FW | 19 | Mairon Natan Pereira Maciel Oliveira | | | 91' |
| FW | 26 | Sarawut Sintupun | | | 83' |
| FW | 66 | Anan Yodsangwal |
| Head Coach: ||
| Jongsarith Wuttichuay ||
Lamphun Warriors won 3–2 on aggregate.

## Statistics
### Goalscorers

There were 99 goals scored in 36 matches, for an average of 2.75 goals per match.
7 goals
* João Paulo (Lamphun Warriors)
5 goals
* Chaowasit Sapysakunphon (Bangkok)
* Caio da Conceição Silva (Chachoengsao Hi-Tek)
* Camara Souleymane (Pluakdaeng United)
* Anggello Machuca (Rajpracha)
3 goals
* Lucas Massaro Garcia Gama (Chachoengsao Hi-Tek)
* Chakrit Rawanprakone (Muangkan United)
* Chawin Thirawatsri (Udon United)
2 goals
* Dicko Ibrahim Abou (Bangkok)
* Keegan Linderboom (Bangkok)
* Tiwa Sangsomboon (Chachoengsao Hi-Tek)
* Teerawut Churok (Krabi)
* Mairon Natan Pereira Maciel Oliveira (Lamphun Warriors)
* Amorntep Nilnoy (Muangkan United)
* Dudú Lima (Nonthaburi United S.Boonmeerit)
* Alberto Moreira Gouvea (Pluakdaeng United)
* Ronnachai Rangsiyo (Rajpracha)
* Thammayut Rakbun (Rajpracha)
* Akkarapol Meesawat (Songkhla)
* Apdussalam Saman (Songkhla)
* Phantep Chotikawin (Songkhla)
* Andrey Coutinho (Udon United)
* Jardel Capistrano (Udon United)
1 goal
* Bunlue Thongkliang (Bangkok)
* Chaiwat Thaewkrathok (Bangkok)
* Kittiphong Pluemjai (Bangkok)
* Thananat Rungrampan (Bangkok)
* Nattaphon Phawandee (Chachoengsao Hi-Tek)
* Koné Seydou (Krabi)
* Kroekpon Kaewmuean (Krabi)
* Santipap Yaemsaen (Krabi)
* Vitor Marcelo Alves Alcântara (Krabi)
* Adisak Doungsri (Lamphun Warriors)
* Adul Lahsoh (Lamphun Warriors)
* Wichaya Pornprasart (Maejo United)
* Diarra Junior Aboubacar (Muang Loei United)
* Nonthawat Chaotai (Muang Loei United)
* Montree Promsawat (Muangkan United)
* Naphat Thamrongsupakorn (Muangkan United)
* Patiphan Pinsermsootsri (Muangkan United)
* Suchao Nuchnum (Muangkan United)
* Nattakan Katrugsa (North Bangkok University)
* Veeraphong Aon-pean (North Bangkok University)
* Weerayut Jitkuntod (North Bangkok University)
* Chatchai Narkwijit (Phitsanulok)
* Kiadtisak Nantavichianrit (Phitsanulok)
* Koki Narita (Phitsanulok)
* Pisek Sontonwat (Phitsanulok)
* Anantachai Poodum (Pluakdaeng United)
* Anuluk Yeunhan (Pluakdaeng United)
* Noah Chivuta (Pluakdaeng United)
* Oscar Plape (Rajpracha)
* Sarawut Koedsri (Rajpracha)
* Thammayut Tonkham (Rajpracha)
* Weerayut Srivichai (Udon United)
* Wutthichai Marom (Udon United)
Source: Thai League

## Teams promoted to 2021–22 Thai League 2

   * Lamphun Warriors (champions)
   * Muangkan United (runners-up)
   * Rajpracha (third-placed)