# 2019 Thai League 3

The 2019 Thai League 3 is the third season of the Thai League 3, the third-tier professional league for association football clubs in Thailand, since its establishment in 2017, also known as Omsin League Pro due to the sponsorship deal with Government Savings Bank (Omsin Bank). A total of 28 teams would divided into 2 regions including 14 teams in the upper region and 14 teams in the lower region.

## Changes from last season
### Team changes
#### Promoted clubs

Promoted to the 2019 Thai League 2
* JL Chiangmai United
* MOF Customs United
* Ayutthaya United
Promoted from the 2018 Thai League 4
* Nakhon Pathom United
* Khon Kaen United
* North Bangkok University

#### Relegated clubs

Relegated to the 2019 Thai League 4 Northeastern Region
* Kalasin
Relegated to the 2019 Thai League 4 Bangkok Metropolitan Region
* Deffo
Relegated from 2018 Thai League 2
* Krabi
* Angthong

#### Renamed clubs

* WU Nakhon Si United was renamed to Nakhon Si United

#### Moved clubs

* Simork were moved into the Upper Region 2019.

## 2019 Thai League 3 locations
### Stadium and locations (Upper Region)

| Team | Location | Stadium | Capacity |
| Angthong | Angthong | Ang Thong Province Stadium | 6,000 |
| Ayutthaya | Ayutthaya | Udhomseelwitthaya School Stadium | 1,800 |
| Bangkok | Nonthaburi | SCG Stadium | 12,505 |
| Chachoengsao | Chachoengsao | Chachoengsao Municipality Stadium | 6,000 |
| Chiangrai City | Chiang Rai | Chiangrai Province Stadium | 5,000 |
| Kamphaengphet | Kamphaengphet | Cha Kung Rao Stadium | 2,406 |
| Khonkaen United | Khon Kaen | Khonkaen PAO. Stadium | 7,000 |
| Lamphun Warrior | Lamphun | Mae-Guang Stadium | 3,000 |
| Marines Eureka | Chonburi | Sattahip Navy Stadium | 6,000 |
| Muangkan United | Kanchanaburi | Kleebbua Stadium | 5,403 |
| Phrae United | Phrae | Thunghong Municipality Stadium | 4,500 |
| Sakaeo | Sakaeo | Sakaeo PAO. Stadium | 10,000 |
| Simork | Suphanburi | Suphanburi Sports School Stadium | 1,500 |
| Ubon Ratchathani | Ubon Ratchathani | Ubon Ratchathani University Stadium | 2,000 |

### Stadium and locations (Lower Region)

| Team | Location | Stadium | Capacity |
| BTU United | Bangkok | Bangkok-Thonburi University Stadium | 1,500 |
| Chamchuri United | Bangkok | Chulalongkorn University Stadium | 20,000 |
| Kasem Bundit University | Bangkok | Kasem Bundit University Stadium, Rom Klao | 2,000 |
| Krabi | Krabi | Krabi Provincial Stadium | 8,000 |
| Nakhon Pathom United | Nakhon Pathom | Nakhon Pathom Municipality Sport School Stadium | 6,000 |
| Nakhon Si United | Nakhon Si Thammarat | Nakhon Si Thammarat PAO. Stadium | 10,000 |
| Nara United | Narathiwat | Narathiwat PAO. Stadium | 5,000 |
| North Bangkok University | Pathum Thani | North Bangkok University Stadium (Rangsit) | 3,000 |
| Phuket City | Phuket | Surakul Stadium | 15,000 |
| Rajpracha | Bangkok | Thonburi Stadium | 5,000 |
| Ranong United | Ranong | Ranong Provincial Stadium | 7,000 |
| Royal Thai Army | Bangkok | Thai Army Sports Stadium | 20,000 |
| Surat Thani | Surat Thani | Surat Thani Provincial Stadium | 10,000 |
| Trang | Trang | Trang Municipality Stadium | 5,000 |

## Results
### League table (Upper Region)

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification or relegation |
| 1 | Khonkaen United (C, P) | 24 | 18 | 5 | 1 | 57 | 19 | +38 | 59 | Qualification to final and promotion to 2020 Thai League 2 |
| 2 | Phrae United (Q, P) | 24 | 18 | 4 | 2 | 48 | 13 | +35 | 58 | Qualification to third place play-offs |
| 3 | Lamphun Warrior | 24 | 13 | 6 | 5 | 39 | 23 | +16 | 45 | |
| 4 | Angthong | 24 | 11 | 5 | 8 | 37 | 29 | +8 | 38 | |
| 5 | Bangkok | 24 | 11 | 4 | 9 | 47 | 35 | +12 | 37 | |
| 6 | Chachoengsao | 24 | 8 | 6 | 10 | 19 | 26 | −7 | 30 | |
| 7 | Ubon Ratchathani | 24 | 8 | 6 | 10 | 23 | 35 | −12 | 30 | |
| 8 | Kamphaengphet | 24 | 7 | 5 | 12 | 21 | 33 | −12 | 26 | |
| 9 | Chiangrai City | 24 | 6 | 6 | 12 | 33 | 44 | −11 | 24 | |
| 10 | Muangkan United | 24 | 4 | 11 | 9 | 24 | 35 | −11 | 23 | |
| 11 | Sakaeo | 24 | 6 | 5 | 13 | 18 | 40 | −22 | 23 | |
| 12 | Ayutthaya | 24 | 6 | 4 | 14 | 20 | 31 | −11 | 22 | |
| 13 | Marines Eureka (R) | 24 | 4 | 5 | 15 | 17 | 40 | −23 | 17 | Relegation to the 2020 Thai League 4 |
| 14 | Simork | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
* 1 2 Chachoengsao ahead on head-to-head record; Chachoengsao 4 pts, Ubon Ratchathani 1 pts.
* 1 2 Muangkan United ahead on head-to-head record; Muangkan United 3 pts, Sakaeo 3 pts.

### League table (Lower Region)

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification or relegation |
| 1 | Nakhon Pathom United (Q, P) | 26 | 18 | 7 | 1 | 57 | 18 | +39 | 61 | Qualification to final and promotion to 2020 Thai League 2 |
| 2 | Ranong United (Q, P) | 26 | 14 | 8 | 4 | 45 | 20 | +25 | 50 | Qualification to third place play-offs |
| 3 | Nara United | 26 | 11 | 11 | 4 | 42 | 26 | +16 | 44 | |
| 4 | Trang | 26 | 11 | 8 | 7 | 31 | 27 | +4 | 41 | |
| 5 | North Bangkok University | 26 | 10 | 10 | 6 | 29 | 20 | +9 | 40 | |
| 6 | Phuket City | 26 | 10 | 7 | 9 | 33 | 36 | −3 | 37 | |
| 7 | Krabi | 26 | 10 | 6 | 10 | 34 | 29 | +5 | 36 | |
| 8 | Kasem Bundit University | 26 | 9 | 8 | 9 | 36 | 36 | 0 | 35 | |
| 9 | BTU United | 26 | 8 | 9 | 9 | 36 | 30 | +6 | 33 | |
| 10 | Nakhon Si United | 26 | 8 | 8 | 10 | 29 | 38 | −9 | 32 | |
| 11 | Chamchuri United | 26 | 7 | 8 | 11 | 33 | 42 | −9 | 29 | |
| 12 | Rajpracha | 26 | 7 | 6 | 13 | 19 | 33 | −14 | 27 | |
| 13 | Royal Thai Army (R) | 26 | 4 | 7 | 15 | 29 | 45 | −16 | 19 | Relegation to the 2020 Thai League 4 |
| 14 | Surat Thani (R) | 26 | 1 | 5 | 20 | 20 | 72 | −52 | 8 | Relegation to the 2020 Thai League 4 |

### Third place play-off

This round was featured by Phrae United, the second place of 2019 Thai League 3 Upper Region and Ranong United, the second place of 2019 Thai League 3 Lower Region. Winners of third place play-off would promoted to 2020 Thai League 2.

#### Summary

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Phrae United | 1–0 | Ranong United | 0–0 | 1–0 |

#### Matches

Phrae United won 1–0 on aggregate.

### Final

This round was featured by Khon Kaen United, the first place of 2019 Thai League 3 Upper Region and Nakhon Pathom United, the first place of 2019 Thai League 3 Lower Region. Both winners and runners-up would promoted to 2020 Thai League 2 automatically.

#### Summary

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Nakhon Pathom United | 2–4 | Khon Kaen United | 1–2 | 1–2 |

#### Matches

Khon Kaen United won 4–2 on aggregate.