# 2018 Thai League 3

The 2018 Thai League 3 (known as the Omsin League Pro for sponsorship reasons) football season will be the second season of Thai League 3. 31 clubs will be divided into 2 groups (regions).

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

Promoted to the 2018 Thai League 2
* Samut Sakhon
* Khonkaen
* Udon Thani
Promoted from the 2017 Thai League 4
* BTU United
* JL Chiangmai United
* Chiangrai City
* Muangkan United
* Marines Eureka

#### Relegated clubs

Relegated to the 2018 Thai League 4 Northern Region
* Singburi Bangrajun
Relegated to the 2018 Thai League 4 Western Region
* Krung Thonburi
Relegated from the 2017 Thai League 2
* Bangkok
* Songkhla United

#### Renamed clubs

* Banbueng authorize from Phuket City because Banbueng is an absolute football club quota.
* Bangkok University Deffo was renamed to Deffo
* Nakhon Si Thammarat Unity was renamed to WU Nakhon Si United

#### Expansion clubs

* Songkhla United and Krung Thonburi Club-licensing football club didn't pass to play 2018 Thai League 3 Lower Region. This team is banned 2 years and Relegated to 2020 Thai League 4 Southern Region for Songkhla United, 2020 Thailand Amateur League Bangkok Metropolitan Region for Krung Thonburi .

#### Withdrawn clubs

* Amnat United and Phayao were taking a 2-years break. This team is automatically banned 2 years, don't get subsidy and relegated to 2020 Thai League 4 Northern Region for Phayao, 2020 Thai League 4 North Eastern Region for Amnat United.

## 2018 Thai League 3 locations
### Stadium and locations (Upper Region)

| Team | Location | Stadium | Capacity |
| Ayutthaya | Ayutthaya | Udhomseelwitthaya School Stadium | 1,800 |
| Ayutthaya United | Ayutthaya | Ayutthaya Provincial Stadium | 6,000 |
| Bangkok | Bangkok | Bang Mod Honorary Stadium | 8,000 |
| Chachoengsao | Chachoengsao | Chachoengsao Municipality Stadium | 6,000 |
| Chiangrai City | Chiang Rai | Chiangrai Province Stadium | 5,000 |
| Kalasin | Kalasin | Kalasin Municipality Stadium | 2,580 |
| Kamphaengphet | Kamphaengphet | Cha Kung Rao Stadium | 2,406 |
| JL Chiangmai United | Chiang Mai | 700th Anniversary Stadium | 25,000 |
| Lamphun Warrior | Lamphun | Mae-Guang Stadium | 3,000 |
| Marines Eureka | Rayong | Klaeng Municipality Stadium | 1,661 |
| Muangkan United | Kanchanaburi | Kleebbua Stadium | 5,403 |
| Phrae United | Phrae | Thunghong Municipality Stadium | 4,500 |
| Sakaeo | Sakaeo | Sakaeo PAO. Stadium | 10,000 |
| 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 |
| Deffo | Bangkok | TOT Stadium Chaeng Watthana | 5,000 |
| Kasem Bundit University | Bangkok | Kasem Bundit University Stadium, Rom Klao | 2,000 |
| MOF Customs United | Samut Prakan | Customs Department Stadium, Ladkrabang 54 | 2,000 |
| Nara United | Narathiwat | Narathiwat PAO. Stadium | 5,000 |
| 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 |
| Simork | Angthong | Angthong Provincial Stadium | 6,000 |
| Surat Thani | Surat Thani | Surat Thani Provincial Stadium | 10,000 |
| Trang | Trang | Trang Municipality Stadium | 5,000 |
| WU Nakhon Si United | Nakhon Si Thammarat | Walailak University Stadium | 10,000 |

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

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification or relegation |
| 1 | JL Chiangmai United (C, Q, P) | 26 | 17 | 8 | 1 | 60 | 31 | +29 | 59 | Promotion to 2019 Thai League 2 and Qualification to 1st Position of Play-off round |
| 2 | Ayutthaya United (Q, P) | 26 | 16 | 6 | 4 | 49 | 23 | +26 | 54 | Qualification to 3rd Position of Play-off round |
| 3 | Lamphun Warrior | 26 | 13 | 8 | 5 | 36 | 28 | +8 | 47 | |
| 4 | Phrae United | 26 | 11 | 9 | 6 | 28 | 20 | +8 | 42 | |
| 5 | Bangkok | 26 | 10 | 7 | 9 | 35 | 36 | −1 | 37 | |
| 6 | Ubon Ratchathani | 26 | 9 | 5 | 12 | 29 | 36 | −7 | 32 | |
| 7 | Ayutthaya | 26 | 8 | 7 | 11 | 26 | 32 | −6 | 31 | |
| 8 | Muangkan United | 26 | 7 | 9 | 10 | 34 | 41 | −7 | 30 | |
| 9 | Chachoengsao | 26 | 6 | 11 | 9 | 37 | 35 | +2 | 29 | |
| 10 | Sakaeo | 26 | 6 | 10 | 10 | 31 | 34 | −3 | 28 | |
| 11 | Kamphaengphet | 26 | 6 | 9 | 11 | 24 | 32 | −8 | 27 | |
| 12 | Chiangrai City | 26 | 5 | 11 | 10 | 25 | 34 | −9 | 26 | |
| 13 | Marines Eureka | 26 | 4 | 11 | 11 | 29 | 42 | −13 | 23 | |
| 14 | Kalasin (R) | 26 | 4 | 9 | 13 | 20 | 39 | −19 | 21 | Relegation to the 2019 Thai League 4 |

### League table (Lower Region)

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification or relegation |
| 1 | MOF Customs United (Q, P) | 26 | 15 | 9 | 2 | 43 | 23 | +20 | 54 | Promotion to 2019 Thai League 2 and Qualification to 1st Position of Play-off round |
| 2 | Nara United (Q) | 26 | 13 | 11 | 2 | 45 | 18 | +27 | 50 | Qualification to 3rd Position of Play-off round |
| 3 | Trang | 26 | 14 | 8 | 4 | 34 | 16 | +18 | 50 | |
| 4 | Chamchuri United | 26 | 12 | 5 | 9 | 32 | 27 | +5 | 41 | |
| 5 | Phuket City | 26 | 11 | 7 | 8 | 29 | 23 | +6 | 40 | |
| 6 | BTU United | 26 | 11 | 5 | 10 | 38 | 32 | +6 | 38 | |
| 7 | Royal Thai Army | 26 | 10 | 5 | 11 | 30 | 31 | −1 | 35 | |
| 8 | WU Nakhon Si United | 26 | 9 | 7 | 10 | 31 | 31 | 0 | 34 | |
| 9 | Ranong United | 26 | 9 | 4 | 13 | 30 | 33 | −3 | 31 | |
| 10 | Surat Thani | 26 | 6 | 8 | 12 | 34 | 49 | −15 | 26 | |
| 11 | Kasem Bundit University | 26 | 5 | 10 | 11 | 26 | 33 | −7 | 25 | |
| 12 | Simork | 26 | 5 | 8 | 13 | 30 | 57 | −27 | 23 | |
| 13 | Rajpracha | 26 | 5 | 8 | 13 | 25 | 42 | −17 | 23 | |
| 14 | Deffo (R) | 26 | 4 | 11 | 11 | 24 | 36 | −12 | 23 | Relegation to the 2019 Thai League 4 |
* 1 2 Nara United ahead on head-to-head record; Nara United 4 pts, Trang 1 pt.
* 1 2 3 Head-to-head record (Mini league): Simork 6 pts(gd +3), Rajpracha 6 pts(gd +1), Deffo 2 pts.

### Third place play-off

This round was featured by Ayutthaya United, the second place of 2018 Thai League 3 Upper Region and Nara United, the second place of 2018 Thai League 3 Lower Region. Winners of third place play-off would promoted to 2019 Thai League 2.

#### Summary

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Nara United | 1–2 | Ayutthaya United | 1–1 | 0–1 |

#### Matches

Ayutthaya United won 2–1 on aggregate.

### Final

This round was featured by JL Chiangmai United, the first place of 2018 Thai League 3 Upper Region and MOF Customs United, the first place of 2018 Thai League 3 Lower Region. Both winners and runners-up would promoted to 2019 Thai League 2 automatically.

#### Summary

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| MOF Customs United | 0–2 | JL Chiangmai United | 0–1 | 0–1 |

#### Matches

JL Chiangmai United won 2–0 on aggregate.