# 2016 Ethias Trophy – Singles

Illya Marchenko was the defending champion but lost in the second round to Vincent Millot.
Jan-Lennard Struff won the title after defeating Millot 6–2, 6–0 in the final.

## Seeds

* Illya Marchenko (second round)
* Dustin Brown (first round)
* Paul-Henri Mathieu (quarterfinals)
* Jérémy Chardy (second round)
* Ričardas Berankis (quarterfinals)
* Jan-Lennard Struff (champion)
* Ivan Dodig (first round)
* Radu Albot (second round)

## 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 | Final | Final | Final | Final |
| | Vincent Millot | 6 | 6 | | | | |
| | Daniel Brands | 4 | 4 | | | | |
| | Daniel Brands | 4 | 4 | | Vincent Millot | 2 | 0 |
| | | | | 6 | Jan-Lennard Struff | 6 | 6 |
| 6 | Jan-Lennard Struff | 7$^7$ | 7$^7$ | 6 | Jan-Lennard Struff | 6 | 6 |
| | Daniil Medvedev | 6$^2$ | 6$^5$ | | | | |

### 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 |
| 1/WC | I Marchenko | 7$^9$ | 6 | | | | | | | | | | | | | |
| | D Istomin | 6$^7$ | 3 | | 1/WC | I Marchenko | 6 | 2 | 6$^0$ | | | | | | | |
| | V Millot | 6 | 6$^6$ | 6 | | V Millot | 2 | 6 | 7$^7$ | | | | | | | |
| Q | Maxime Tabatruong | 4 | 7$^8$ | 3 | | | | | | | V Millot | 6 | 6 | | | |
| | L Lacko | 4 | 4 | | | | | | | 5 | R Berankis | 4 | 4 | | | |
| PR | J Janowicz | 6 | 6 | | PR | J Janowicz | 5 | 6$^4$ | | | | | | | | |
| | M Fucsovics | 6$^{13}$ | 2 | | 5 | R Berankis | 7 | 7$^7$ | | | | | | | | |
| 5 | R Berankis | 7$^{15}$ | 6 | | | | | | | | | | | V Millot | 6 | 6 |
| 4 | J Chardy | 6 | 6 | | | | | | | | | | | D Brands | 4 | 4 |
| | T Kamke | 3 | 4 | | 4 | J Chardy | 4 | 6 | 4 | | | | | | | |
| SE | A Rublev | 6 | 7 | | SE | A Rublev | 6 | 2 | 6 | | | | | | | |
| WC | Y Reuter | 4 | 5 | | | | | | | SE | A Rublev | 6$^9$ | 3 | | | |
| | D Brands | 6 | 6 | | | | | | | | D Brands | 7$^{11}$ | 6 | | | |
| | K Coppejans | 3 | 2 | | | D Brands | 6 | 6 | | | | | | | | |
| WC | R Bemelmans | 4 | 5 | | 8 | R Albot | 4 | 4 | | | | | | | | |
| 8 | R Albot | 6 | 7 | | | | | | | | | | | | | |

### 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 | Semifinals |
| 6 | J-L Struff | 6 | 3 | 6 | | | | | | | | | | | | | |
| LL | G Barrère | 3 | 6 | 2 | 6 | J-L Struff | 6$^8$ | 6 | 6 | | | | | | | | |
| | S Darcis | 3 | 4 | | | M Chiudinelli | 7$^{10}$ | 4 | 3 | | | | | | | | |
| | M Chiudinelli | 6 | 6 | | | | | | | 6 | J-L Struff | 7 | 6 | | | | |
| Q | S Doumbia | 1 | 2 | | | | | | | 3 | P-H Mathieu | 5 | 4 | | | | |
| Q | Y Marti | 6 | 6 | | Q | Y Marti | 2 | 3 | | | | | | | | | |
| Q | M Authom | 6 | 3 | 3 | 3 | P-H Mathieu | 6 | 6 | | | | | | | | | |
| 3 | P-H Mathieu | 1 | 6 | 6 | | | | | | | | | | 6 | J-L Struff | 7$^7$ | 7$^7$ |
| 7 | I Dodig | 3 | 5 | | | | | | | | | | | | D Medvedev | 6$^2$ | 6$^5$ |
| SE | N Gombos | 6 | 7 | | SE | N Gombos | 3 | 6$^8$ | | | | | | | | | |
| | D Medvedev | 6 | 6 | | | D Medvedev | 6 | 7$^{10}$ | | | | | | | | | |
| WC | Clément Geens | 4 | 1 | | | | | | | | D Medvedev | 6 | 6 | | | | |
| | I Ivashka | 6$^5$ | 6 | 4 | | | | | | PR | J Melzer | 1 | 0 | | | | |
| | K de Schepper | 7$^7$ | 3 | 6 | | K de Schepper | 2 | 6$^3$ | | | | | | | | | |
| PR | J Melzer | 3 | 6 | 7$^7$ | PR | J Melzer | 6 | 7$^7$ | | | | | | | | | |
| 2 | D Brown | 6 | 2 | 6$^4$ | | | | | | | | | | | | | |