# 2021–22 Thai League 3 National Championship

The National Championship was the next stage from the regional stage of 2021–22 Thai League 3. The winners and runners-ups of each region would qualify for this round to find 3 clubs promoting to 2022–23 Thai League 2.

## Teams

| Team | Qualifying method |
| Uthai Thani | Northern region champions |
| Phitsanulok | Northern region runners-up |
| Muang Loei United | Northeastern region champions |
| Sisaket | Northeastern region runners-up |
| Pattaya Dolphins United | Eastern region champions |
| Chachoengsao Hi-Tek | Eastern region runners-up |
| Saraburi United | Western region champions |
| Pathumthani University | Western region runners-up |
| Krabi | Southern region champions |
| Nakhon Si United | Southern region runners-up |
| North Bangkok University | Bangkok Metropolitan region champions |
| Bangkok | Bangkok Metropolitan region runners-up |

## Group stage
### Upper region

| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification | UTT | PLK | PAT | MLU | SKT | CCH |
| 1 | Uthai Thani (C, P) | 5 | 4 | 0 | 1 | 14 | 6 | +8 | 12 | Qualification to the final and promotion to the 2022–23 Thai League 2 | — | — | 4–1 | — | 6–2 | 3–1 |
| 2 | Phitsanulok | 5 | 4 | 0 | 1 | 9 | 4 | +5 | 12 | Qualification to the third place play-off | 2–0 | — | — | — | — | 3–1 |
| 3 | Pattaya Dolphins United | 5 | 4 | 0 | 1 | 11 | 8 | +3 | 12 | | — | 2–0 | — | 2–1 | 4–3 | — |
| 4 | Muang Loei United | 5 | 1 | 0 | 4 | 5 | 7 | −2 | 3 | | 0–1 | 0–1 | — | — | 2–0 | — |
| 5 | Sisaket | 5 | 1 | 0 | 4 | 8 | 15 | −7 | 3 | | — | 1–3 | — | — | — | 2–0 |
| 6 | Chachoengsao Hi-Tek | 5 | 1 | 0 | 4 | 5 | 12 | −7 | 3 | | — | — | 0–2 | 3–2 | — | — |
* 1 2 3 The head-to-head points record (mini-league); Uthai Thani 3 pts (GD +1), Phitsanulok 3 pts (GD 0), Pattaya Dolphins United 3 pts (GD -1).
* 1 2 3 The head-to-head points record (mini-league); Muang Loei United 3 pts (GD +1), Sisaket 3 pts (GD 0), Chachoengsao Hi-Tek 3 pts (GD -1).

### Lower region

| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification | KBI | NSU | NBU | SRU | PTU | BKK |
| 1 | Krabi (P) | 5 | 3 | 1 | 1 | 8 | 6 | +2 | 10 | Qualification to the final and promotion to the 2022–23 Thai League 2 | — | 0–0 | 2–1 | — | — | 1–2 |
| 2 | Nakhon Si United (O, P) | 5 | 2 | 3 | 0 | 9 | 2 | +7 | 9 | Qualification to the third place play-off | — | — | — | — | 3–0 | 5–1 |
| 3 | North Bangkok University | 5 | 2 | 2 | 1 | 5 | 2 | +3 | 8 | | — | 0–0 | — | 0–0 | — | 3–0 |
| 4 | Saraburi United | 5 | 2 | 2 | 1 | 6 | 5 | +1 | 8 | | 2–3 | 1–1 | — | — | 2–1 | — |
| 5 | Pathumthani University | 5 | 1 | 0 | 4 | 6 | 8 | −2 | 3 | | 1–2 | — | 0–1 | — | — | — |
| 6 | Bangkok | 5 | 1 | 0 | 4 | 3 | 14 | −11 | 3 | | — | — | — | 0–1 | 0–4 | — |
* 1 2 The head-to-head record was a tie, North Bangkok University ahead on overall goals difference.
* 1 2 Pathumthani University ahead on head-to-head points record; Pathumthani University 3 pts, Bangkok 0 pts.

## Knockout stage

Winners, runners-up, and third place of 2021–22 Thai League 3 would be promoted to the 2022–23 Thai League 2.

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

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Phitsanulok | 3–4 | Nakhon Si United | 1–1 | 2–3 |

#### Matches

Nakhon Si United won 4–3 on aggregate.

### Final
#### Summary

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Uthai Thani | 3–1 | Krabi | 2–0 | 1–1 |

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

| Uthai Thani | Krabi |
| Lineups: ||
| GK | 37 | Worawut Sukhuna |
| CB | 33 | Júnior Lopes | | 63' |
| CB | 19 | Wattana Playnum |
| CB | 43 | Wanchat Choosong | | | 73' |
| RM | 91 | Phongsakon Trisat |
| CM | 8 | Narong Jansawek (c) |
| CM | 6 | Watcharakorn Manoworn | | 57' 83' |
| LM | 95 | Nattapong Chaidee |
| RF | 20 | Chitpanya Tisud | | | 64' |
| CF | 11 | Ricardo Santos | 30', 74' (pen.) |
| LF | 99 | Chigozie Mbah | | | 88' |
| Substitutes: ||
| GK | 18 | Boonyakait Wongsajaem |
| DF | 3 | Supoj Wonghoi |
| DF | 17 | Jakree Pankam | | | 73' |
| MF | 4 | Peemwit Thongnitiroj |
| MF | 7 | Datsakorn Thonglao |
| MF | 10 | Phattharaphon Junsuwan | | | 64' |
| MF | 47 | Kasidit Kalasin | | | 88' |
| FW | 9 | Kirati Keawsombat |
| FW | 26 | Nontapat Naksawat |
| Head Coach: ||
| Therdsak Chaiman ||
| Lineups: ||
| GK | 38 | Wuttichai Panboot |
| RB | 11 | Atthaphon Chongrak | 14' | 46' |
| CB | 5 | Anuwat Yungyuen |
| CB | 20 | Seydou Koné |
| LB | 33 | Kridsada Limseeput |
| DM | 14 | Akarat Punkaew (c) |
| RM | 32 | Phuchakhen Chandaeng |
| CM | 22 | Kroekpon Kaewmuean | | 74' |
| CM | 4 | Siwapong Jarernsin |
| LM | 30 | Romário Reginaldo Alves | | 86' |
| CF | 99 | Alexandre Balotelli | 45' |
| Substitutes: ||
| GK | 81 | Chaiyapat Honbanleng |
| DF | 3 | Suchart Chayyai |
| DF | 18 | Natthanon Charoensingkeewan | | 86' |
| DF | 39 | Khunnaphon Udomsin |
| MF | 6 | Techin Mooktarakosa | | 74' |
| MF | 8 | Rattasart Makasoot | | 46' |
| MF | 37 | Kongpop Artserm |
| FW | 9 | Surin Ra-ob |
| FW | 10 | Arnon Petwat |
| Head Coach: ||
| Prajak Weangsong ||

##### 2nd leg

| Krabi | Uthai Thani |
| Lineups: ||
| GK | 38 | Wuttichai Panboot |
| RB | 11 | Atthaphon Chongrak | | | 46' |
| CB | 5 | Anuwat Yungyuen |
| CB | 20 | Seydou Koné | | 10' |
| LB | 33 | Kridsada Limseeput | | | 85' |
| DM | 14 | Akarat Punkaew (c) |
| CM | 4 | Siwapong Jarernsin | | | 75' |
| CM | 6 | Techin Mooktarakosa | | | 64' |
| RF | 32 | Phuchakhen Chandaeng | 5' |
| CF | 99 | Alexandre Balotelli |
| LF | 30 | Romário Reginaldo Alves | | | 75' |
| Substitutes: ||
| GK | 81 | Chaiyapat Honbanleng |
| DF | 7 | Aitipol Kaewkeaw |
| DF | 39 | Khunnaphon Udomsin |
| MF | 8 | Rattasart Makasoot | | | 46' |
| MF | 22 | Kroekpon Kaewmuean | | 89' | 64' |
| MF | 26 | Kritsanapol Booncharee | | | 75' |
| MF | 37 | Kongpop Artserm |
| FW | 10 | Arnon Petwat | | | 85' |
| FW | 59 | Chudit Wanpraphao | | | 75' |
| Head Coach: ||
| Prajak Weangsong ||
| Lineups: ||
| GK | 37 | Worawut Sukhuna |
| CB | 33 | Júnior Lopes | | 37' |
| CB | 19 | Wattana Playnum | | 65' |
| CB | 43 | Wanchat Choosong | | 86' |
| RM | 91 | Phongsakon Trisat |
| CM | 8 | Narong Jansawek (c) | | | 90+2' |
| CM | 6 | Watcharakorn Manoworn |
| LM | 95 | Nattapong Chaidee |
| RF | 23 | Mongkol Tossakrai | | | 87' |
| CF | 11 | Ricardo Santos | 3' |
| LF | 99 | Chigozie Mbah | | | 90+2' |
| Substitutes: ||
| GK | 18 | Boonyakait Wongsajaem |
| DF | 3 | Supoj Wonghoi |
| DF | 17 | Jakree Pankam |
| MF | 4 | Peemwit Thongnitiroj |
| MF | 7 | Datsakorn Thonglao | | | 90+2' |
| MF | 10 | Phattharaphon Junsuwan | | | 90+2' |
| MF | 20 | Chitpanya Tisud |
| MF | 47 | Kasidit Kalasin |
| FW | 26 | Nontapat Naksawat | | | 87' |
| Head Coach: ||
| Therdsak Chaiman ||
Uthai Thani won 3–1 on aggregate.

## Statistics
### Goalscorers

There were 100 goals scored in 34 matches, for an average of 2.94 goals per match.
11 goals
* Ricardo Santos (Uthai Thani)
4 goals
* Alexandre Balotelli (Krabi)
* Erivelto (Nakhon Si United)
* Pedro Augusto Silva Rodrigues (Pattaya Dolphins United)
* Suksan Bunta (Pattaya Dolphins United)
* Danuson Wijitpunya (Saraburi United)
3 goals
* Caio da Conceição Silva (Chachoengsao Hi-Tek)
* Wanit Chaisan (Nakhon Si United)
* Giuberty Silva Neves (Pathumthani University)
* André Luís (Phitsanulok)
2 goals
* Romário Alves (Krabi)
* Matheus Souza Silva (Muang Loei United)
* Patchara Nantasri (Muang Loei United)
* Phillerson Natan Silva de Oliveira (Nakhon Si United)
* Kritsana Chitchuea (North Bangkok University)
* Bundit Paponpai (Pathumthani University)
* Apiwat Chuenban (Phitsanulok)
* Gilberto Macena (Phitsanulok)
* João Paulo (Phitsanulok)
* Naphat Thamrongsupakorn (Phitsanulok)
* Douglas Tardin (Saraburi United)
* Seksit Srisai (Sisaket)
* Chigozie Mbah (Uthai Thani)
1 goal
* Caíque Freitas Ribeiro (Bangkok)
* Sakda Koomgun (Bangkok)
* Somsak Musikaphan (Bangkok)
* Patiroop Sunjonlord (Chachoengsao Hi-Tek)
* Phakhawat Seekhieo (Chachoengsao Hi-Tek)
* Akarat Punkaew (Krabi)
* Phuchakhen Chandaeng (Krabi)
* Techin Mooktarakosa (Krabi)
* Partchya Katethip (Muang Loei United)
* Kittiphong Khetpara (Nakhon Si United)
* Naruephon Proomimas (Nakhon Si United)
* Nattapoom Maya (Nakhon Si United)
* Siwarut Pholhirun (Nakhon Si United)
* Saranyu Mangsa (North Bangkok University)
* Tanat Wongsupaluk (North Bangkok University)
* Rachata Jannongsuang (Pathumthani University)
* Emerson Brito dos Santos (Pattaya Dolphins United)
* Nitipong Sanmahung (Pattaya Dolphins United)
* Teerapong Deehamhae (Pattaya Dolphins United)
* Surachai Chawna (Phitsanulok)
* Célio Guilherme da Silva Santos (Sisaket)
* Gan Kleabphueng (Sisaket)
* Kazuki Murakami (Sisaket)
* Nittipat Kansorn (Sisaket)
* Piyanath Chanram (Sisaket)
* Júnior Lopes (Uthai Thani)
* Mongkol Tossakrai (Uthai Thani)
* Nontapat Naksawat (Uthai Thani)
* Phattharaphon Junsuwan (Uthai Thani)
1 own goal
* Sakda Koomgun (Bangkok against North Bangkok University)
* Prapawit Jaroentat (Uthai Thani against Sisaket)
Source: Thai League

## Teams promoted to 2022–23 Thai League 2

   * Uthai Thani (champions)
   * Krabi (runners-up)
   * Nakhon Si United (third-placed)