# 2016 Lecoq Seoul Open – Singles

Go Soeda was the defending champion, but chose not to defend his title.
Sergiy Stakhovsky won the title after defeating Lu Yen-hsun 4–6, 6–3, 7–6$^{(9–7)}$ in the final.

## Seeds

* John Millman (quarterfinals, withdrew)
* Chung Hyeon (withdrew, due to abdominal injury)
* Sam Groth (quarterfinals, retired)
* Daniel Evans (first round)
* Lu Yen-hsun (final)
* Tatsuma Ito (second round)
* Yūichi Sugita (second round)
* Lukáš Lacko (semifinals)
* Michael Berrer (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 |
| 8 | Lukáš Lacko | 6$^4$ | 7 | 3 | | | | | |
| 5 | Lu Yen-hsun | 7$^7$ | 5 | 6 | | | | | |
| 5 | Lu Yen-hsun | 7$^7$ | 5 | 6 | 5 | Lu Yen-hsun | 6 | 3 | 6$^7$ |
| | | | | | | Sergiy Stakhovsky | 4 | 6 | 7$^9$ |
| | Alexander Kudryavtsev | 2 | 4 | | | Sergiy Stakhovsky | 4 | 6 | 7$^9$ |
| | Sergiy Stakhovsky | 6 | 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 | J Millman | 7 | 6 | | | | | | | | | | | | | | | |
| LL | Shuichi Sekiguchi | 5 | 4 | | 1 | J Millman | 6 | 6 | | | | | | | | | | |
| Q | F Nielsen | 7$^7$ | 3 | 6$^4$ | Q | A Ward | 4 | 2 | | | | | | | | | | |
| Q | A Ward | 6$^5$ | 6 | 7$^7$ | | | | | | 1 | J Millman | | | | | | | |
| | K Kravchuk | 3 | 6 | 3 | | | | | | 8 | L Lacko | w/o | | | | | | |
| | M Barton | 6 | 3 | 6 | | M Barton | 4 | 6 | 4 | | | | | | | | | |
| | T Chen | 3 | 3 | | 8 | L Lacko | 6 | 4 | 6 | | | | | | | | | |
| 8 | L Lacko | 6 | 6 | | | | | | | | | | | 8 | L Lacko | 6$^4$ | 7 | 3 |
| 4 | D Evans | 3 | 3 | | | | | | | | | | | 5 | Y-h Lu | 7$^7$ | 5 | 6 |
| | G Žemlja | 6 | 6 | | | G Žemlja | 2 | 6 | 5 | | | | | | | | | |
| | A Sarkissian | 3 | 2 | | | J Jung | 6 | 4 | 7 | | | | | | | | | |
| | J Jung | 6 | 6 | | | | | | | | J Jung | 4 | 4 | | | | | |
| Q | Yuya Kibi | 3 | 2 | | | | | | | 5 | Y-h Lu | 6 | 6 | | | | | |
| | Z Zhang | 6 | 6 | | | Z Zhang | 3 | 4 | | | | | | | | | | |
| | D Wu | 6 | 2 | 4 | 5 | Y-h Lu | 6 | 6 | | | | | | | | | | |
| 5 | Y-h Lu | 4 | 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 | Semifinals | Semifinals | Semifinals |
| 6 | T Ito | 6 | 6 | | | | | | | | | | | | | |
| WC | S-c Hong | 4 | 2 | | 6 | T Ito | 6$^6$ | 5 | | | | | | | | |
| | A Kudryavtsev | 6 | 6 | | | A Kudryavtsev | 7$^8$ | 7 | | | | | | | | |
| WC | J-s Nam | 4 | 4 | | | | | | | | A Kudryavtsev | 4 | | | | |
| Q | L Broady | 6 | 4 | 3 | | | | | | 3 | S Groth | 1$^r$ | | | | |
| WC | S-w Kwon | 3 | 6 | 6 | WC | S-w Kwon | 4 | 6 | 4 | | | | | | | |
| | M Krueger | 6 | 3 | 2 | 3 | S Groth | 6 | 4 | 6 | | | | | | | |
| 3 | S Groth | 4 | 6 | 6 | | | | | | | | | | A Kudryavtsev | 2 | 4 |
| 7 | Y Sugita | 6 | 6 | | | | | | | | | | | S Stakhovsky | 6 | 6 |
| WC | Kang Ho-gi | 1 | 1 | | 7 | Y Sugita | 5 | 7 | 4 | | | | | | | |
| | D-h Lee | 6 | 6 | | | D-h Lee | 7 | 5 | 6 | | | | | | | |
| | J-P Smith | 4 | 4 | | | | | | | | D-h Lee | 5 | 2 | | | |
| | M Chiudinelli | 4 | 4 | | | | | | | | S Stakhovsky | 7 | 6 | | | |
| | S Stakhovsky | 6 | 6 | | | S Stakhovsky | 6 | 1 | | | | | | | | |
| | A Krajicek | 4 | 7$^7$ | 5 | 9 | M Berrer | 0 | 0$^r$ | | | | | | | | |
| 9 | M Berrer | 6 | 6$^3$ | 7 | | | | | | | | | | | | |