# 2017 K3 League Basic

The 2017 K3 League Basic was the first season of the K3 League Basic.
The second division of the K3 League was founded in the name of "K3 League Basic" in 2017, and the bottom eight teams of the 2016 K3 League participated in its inaugural season. Newly formed clubs Busan FC and Pyeongtaek G-SMATT also joined it.
After the regular season, champions were promoted to the first division "K3 League Advanced" and four teams from second to fifth-placed team qualified for the promotion playoffs.

## Teams

Yeonggwang FC withdrew from the K3 League Basic after becoming one of eignt teams relegated from the K3 League.
| Club | City | Stadium | Manager |
| Relegated from K3 League ||||
| Buyeo FC | Buyeo | Buyeo Stadium | Kang Jeong-hoon |
| Goyang Citizen | Goyang | Goyang Eoulimnuri ground | Kim Jin-ok |
| Jungnang Chorus Mustang | Seoul | Jungnang Public Ground | Yoo Bong-ki |
| Pyeongchang FC | Pyeongchang | Pyeongchang Stadium | Hwang Young-woo |
| Siheung Citizen | Siheung | Siheung Stadium | Kike Linero |
| Seoul United | Seoul | Madeul Stadium | Kim Chang-kyum |
| FC Uijeongbu | Uijeongbu | Uijeongbu Stadium | Kim Hee-tae |
| Newly formed ||||
| Busan FC | Busan | Busan Asiad Supplementary Stadium | ? |
| Pyeongtaek G-SMATT | Pyeongtaek | Sosabeol Reports Town | ? |

## League table

| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Promotion or qualification |
| 1 | Jungnang Chorus Mustang (C, P) | 16 | 12 | 4 | 0 | 43 | 12 | +31 | 40 | Promotion to the K3 League Advanced |
| 2 | Siheung Citizen | 16 | 13 | 0 | 3 | 32 | 17 | +15 | 39 | Qualification for the promotion playoffs |
| 3 | Pyeongtaek G-SMATT (O, P) | 16 | 8 | 3 | 5 | 38 | 26 | +12 | 27 | Qualification for the promotion playoffs |
| 4 | Buyeo FC | 16 | 8 | 3 | 5 | 23 | 18 | +5 | 27 | Qualification for the promotion playoffs |
| 5 | FC Uijeongbu | 16 | 8 | 0 | 8 | 35 | 25 | +10 | 24 | Qualification for the promotion playoffs |
| 6 | Busan FC | 16 | 6 | 3 | 7 | 34 | 35 | −1 | 21 | |
| 7 | Pyeongchang FC | 16 | 5 | 3 | 8 | 27 | 29 | −2 | 18 | |
| 8 | Goyang Citizen | 16 | 2 | 2 | 12 | 16 | 41 | −25 | 8 | |
| 9 | Seoul United | 16 | 0 | 2 | 14 | 19 | 64 | −45 | 2 | |

## Results

| Home \ Away | JCM | CIT | PGS | BUY | UIJ | BUS | PYE | GOY | SU |
| Jungnang Chorus Mustang | — | 5–0 | 1–1 | 3–1 | 2–0 | 1–1 | 2–1 | 4–1 | 4–0 |
| Siheung Citizen | 1–3 | — | 3–2 | 1–2 | 2–0 | 2–0 | 1–0 | 1–0 | 3–1 |
| Pyeongtaek G-SMATT | 1–4 | 1–2 | — | 0–0 | 4–2 | 4–3 | 2–1 | 3–0 | 4–0 |
| Buyeo FC | 2–2 | 0–1 | 3–2 | — | 0–2 | 0–1 | 2–1 | 0–0 | 4–1 |
| FC Uijeongbu | 0–2 | 0–2 | 3–1 | 1–3 | — | 6–0 | 2–1 | 7–1 | 4–0 |
| Busan FC | 0–3 | 1–2 | 1–2 | 0–2 | 2–1 | — | 2–2 | 3–1 | 9–4 |
| Pyeongchang FC | 1–1 | 0–6 | 1–1 | 2–1 | 1–2 | 0–5 | — | 2–0 | 4–0 |
| Goyang Citizen | 1–3 | 2–3 | 1–5 | 1–2 | 1–0 | 1–2 | 1–2 | — | 3–3 |
| Seoul United | 1–3 | 0–2* | 1–5 | 0–1 | 3–5 | 4–4 | 1–7 | 0–2 | — |

## Promotion playoffs

When a match was finished as a draw, its winners were decided on the regular season rankings without extra time and the penalty shoot-out.
| Semi-finals | Semi-finals | Final | Final |
| 2 Siheung Citizen | 1 |
| 5 FC Uijeongbu | 2 | | |
| 5 FC Uijeongbu | 2 | 5 FC Uijeongbu | 2 |
| | | 3 Pyeongtaek G-SMATT | 2 |
| 3 Pyeongtaek G-SMATT | 3 | 3 Pyeongtaek G-SMATT | 2 |
| 4 Buyeo FC | 0 | | |