# 2015 Lecoq Seoul Open – Men's singles

This was the first edition of the tournament.
Go Soeda won the title, defeating Chung Hyeon in the final, 3–6, 6–3, 6–3.

## Seeds

* Lu Yen-hsun (semifinals)
* Go Soeda (champion)
* Chung Hyeon (final)
* Tatsuma Ito (first round)
* Lukáš Lacko (withdrew due to fatigue)
* Illya Marchenko (first round)
* Alexander Kudryavtsev (second round)
* Jimmy Wang (second round, retired)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Lu Yen-hsun | 4 | 7$^7$ | 4 | | | | | |
| 3 | Chung Hyeon | 6 | 6$^4$ | 6 | | | | | |
| 3 | Chung Hyeon | 6 | 6$^4$ | 6 | 3 | Chung Hyeon | 6 | 3 | 3 |
| | | | | | 2 | Go Soeda | 3 | 6 | 6 |
| | Zhang Ze | 1 | 6 | 4 | 2 | Go Soeda | 3 | 6 | 6 |
| 2 | Go Soeda | 6 | 3 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | Y-h Lu | 6 | 4 | 6 | | | | | | | | | | | | | | |
| | L Saville | 1 | 6 | 2 | 1 | Y-h Lu | 6 | 4 | 6 | | | | | | | | | |
| | J Smith | 6$^5$ | 7$^7$ | 3 | | J Jenkins | 2 | 6 | 2 | | | | | | | | | |
| | J Jenkins | 7$^7$ | 6$^4$ | 6 | | | | | | 1 | Y-h Lu | 7 | 6 | | | | | |
| LL | P Bester | 6 | 6 | | | | | | | LL | D Wu | 5 | 1 | | | | | |
| | L-c Huang | 3 | 2 | | LL | P Bester | 2 | 4 | | | | | | | | | | |
| | T-h Yang | 3 | 2 | | LL | D Wu | 6 | 6 | | | | | | | | | | |
| LL | D Wu | 6 | 6 | | | | | | | | | | | 1 | Y-h Lu | 4 | 7$^7$ | 4 |
| 3 | H Chung | 6 | 7$^7$ | | | | | | | | | | | 3 | H Chung | 6 | 6$^4$ | 6 |
| | J Jung | 2 | 6$^4$ | | 3 | H Chung | 6 | 6 | | | | | | | | | | |
| | H Moriya | 7 | 6$^4$ | 5 | | F Nielsen | 4 | 1 | | | | | | | | | | |
| | F Nielsen | 5 | 7$^7$ | 7 | | | | | | 3 | H Chung | 6 | 6 | | | | | |
| Q | F Wolmarans | 5 | 5 | | | | | | | | D Kudla | 1 | 2 | | | | | |
| | D Kudla | 7 | 7 | | | D Kudla | 7$^7$ | 6 | | | | | | | | | | |
| Q | M Giron | 2 | 0 | | 7 | A Kudryavtsev | 6$^5$ | 1 | | | | | | | | | | |
| 7 | A Kudryavtsev | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | I Marchenko | 2 | 6 | 4 | | | | | | | | | | | | | | | |
| SE | G Žemlja | 6 | 2 | 6 | SE | G Žemlja | 6$^3$ | 2 | | | | | | | | | | | |
| | Z Zhang | 6 | 2 | 6 | | Z Zhang | 7$^7$ | 6 | | | | | | | | | | | |
| WC | J-s Nam | 4 | 6 | 4 | | | | | | | Z Zhang | 3 | 7$^7$ | 6 | | | | | |
| | Y Sugita | 4 | 6$^4$ | | | | | | | Q | D Kutrovsky | 6 | 6$^5$ | 2 | | | | | |
| Q | D Kutrovsky | 6 | 7$^7$ | | Q | D Kutrovsky | 7$^9$ | 3 | | | | | | | | | | | |
| Q | M Barton | 6 | 7$^7$ | | Q | M Barton | 6$^7$ | 0$^r$ | | | | | | | | | | | |
| 4 | T Ito | 2 | 6$^1$ | | | | | | | | | | | | | Z Zhang | 1 | 6 | 4 |
| 8 | J Wang | 6 | 6 | | | | | | | | | | | | 2 | G Soeda | 6 | 3 | 6 |
| WC | S-w Kwon | 4 | 4 | | 8 | J Wang | 1 | 0$^r$ | | | | | | | | | | | |
| WC | D-h Lee | 2 | 6 | 6 | WC | D-h Lee | 6 | 1 | | | | | | | | | | | |
| | D Nguyen | 6 | 2 | 2 | | | | | | WC | D-h Lee | 7$^7$ | 6$^1$ | 3 | | | | | |
| | A Bolt | 7 | 4 | 6$^5$ | | | | | | 2 | G Soeda | 6$^5$ | 7$^7$ | 6 | | | | | |
| | T Niki | 5 | 6 | 7$^7$ | | T Niki | 1 | 7$^7$ | 3 | | | | | | | | | | |
| LL | Z Li | 3 | 2 | | 2 | G Soeda | 6 | 6$^3$ | 6 | | | | | | | | | | |
| 2 | G Soeda | 6 | 6 | | | | | | | | | | | | | | | | |