# 2017 MercedesCup – Singles

Lucas Pouille defeated Feliciano López in the final, 4–6, 7–6$^{(7–5)}$, 6–4 to win the singles tennis title at the 2017 Stuttgart Open. Pouille saved a match point en route to the title, in the second round against Jan-Lennard Struff.
Dominic Thiem was the reigning champion, but chose not to participate this year.

## Seeds

The top four seeds receive a bye into the second round.
* Roger Federer (second round)
* Grigor Dimitrov (second round)
* Tomáš Berdych (quarterfinals)
* Lucas Pouille (champion)
* Steve Johnson (second round)
* Mischa Zverev (semifinals)
* Gilles Simon (first round)
* Viktor Troicki (first 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 | Semifinals | Final | Final | Final | Final | Final |
| 6 | Mischa Zverev | 7$^7$ | 6$^4$ | 5 | | | | | |
| | Feliciano López | 6$^2$ | 7$^7$ | 7 | | | | | |
| | Feliciano López | 6$^2$ | 7$^7$ | 7 | | Feliciano López | 6 | 6$^5$ | 4 |
| | | | | | 4/WC | Lucas Pouille | 4 | 7$^7$ | 6 |
| 4/WC | Lucas Pouille | 7$^7$ | 7 | | 4/WC | Lucas Pouille | 4 | 7$^7$ | 6 |
| | Benoît Paire | 6$^5$ | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | R Federer | 6 | 6$^8$ | 4 | | | | | | | | | | |
| WC | T Haas | 6 | 4 | 7 | WC | T Haas | 2 | 7$^{10}$ | 6 | | | | | | | | | | |
| | P-H Herbert | 3 | 6 | 5 | | | | | | WC | T Haas | 4 | 4 | | | | | | |
| Q | Y Hanfmann | 6 | 7 | | | | | | | 6 | M Zverev | 6 | 6 | | | | | | |
| Q | M Fucsovics | 3 | 5 | | Q | Y Hanfmann | 6$^1$ | 2 | | | | | | | | | | | |
| | M Jaziri | 3 | 1 | | 6 | M Zverev | 7$^7$ | 6 | | | | | | | | | | | |
| 6 | M Zverev | 6 | 6 | | | | | | | | | | | | 6 | M Zverev | 7$^7$ | 6$^4$ | 5 |
| | | | | | | | | | | | | | | | | F López | 6$^2$ | 7$^7$ | 7 |
| | | | | | 3 | T Berdych | 7$^7$ | 6 | | | | | | | | | | | |
| | S Robert | 1 | 7 | 2 | | B Tomic | 6$^4$ | 2 | | | | | | | | | | | |
| | B Tomic | 6 | 5 | 6 | | | | | | 3 | T Berdych | 7$^7$ | 3 | 4 | | | | | |
| | F Mayer | 6$^3$ | 6 | 6$^1$ | | | | | | | F López | 6$^4$ | 6 | 6 | | | | | |
| | J Chardy | 7$^7$ | 4 | 7$^7$ | | J Chardy | 3 | 6 | 2 | | | | | | | | | | |
| | F López | 6 | 6 | | | F López | 6 | 3 | 6 | | | | | | | | | | |
| 7 | G Simon | 3 | 3 | | | | | | | | | | | | | | | | |

### 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 |
| 5 | S Johnson | 3 | 7$^7$ | 6 | | | | | | | | | | | | | | |
| WC | M Marterer | 6 | 6$^2$ | 4 | 5 | S Johnson | 6$^3$ | 7 | 6$^6$ | | | | | | | | | |
| | M Baghdatis | 1 | 0$^r$ | | | P Kohlschreiber | 7$^7$ | 5 | 7$^8$ | | | | | | | | | |
| | P Kohlschreiber | 6 | 0 | | | | | | | | P Kohlschreiber | 4 | 6 | 3 | | | | |
| Q | L Lacko | 4 | 6$^3$ | | | | | | | 4/WC | L Pouille | 6 | 2 | 6 | | | | |
| | J-L Struff | 6 | 7$^7$ | | | J-L Struff | 6 | 6$^5$ | 6$^8$ | | | | | | | | | |
| | | | | | 4/WC | L Pouille | 4 | 7$^7$ | 7$^{10}$ | | | | | | | | | |
| | | | | | | | | | | | | | | | 4/WC | L Pouille | 7$^7$ | 7 |
| 8 | V Troicki | 4 | 4 | | | | | | | | | | | | | B Paire | 6$^5$ | 5 |
| | B Paire | 6 | 6 | | | B Paire | 6 | 6 | | | | | | | | | | |
| | N Basilashvili | 6 | 3 | 1 | Q | P Gojowczyk | 2 | 4 | | | | | | | | | | |
| Q | P Gojowczyk | 2 | 6 | 6 | | | | | | | B Paire | 6 | 7$^7$ | | | | | |
| | A Kuznetsov | 4 | 6 | 3 | | | | | | PR | J Janowicz | 1 | 6$^4$ | | | | | |
| PR | J Janowicz | 6 | 3 | 6 | PR | J Janowicz | 7$^7$ | 6 | | | | | | | | | | |
| | | | | | 2 | G Dimitrov | 6$^4$ | 3 | | | | | | | | | | |

## Qualifying
### Seeds

* Lukáš Lacko (qualified)
* Ruben Bemelmans (qualifying competition)
* Maximilian Marterer (Received wildcard to main draw)
* Taylor Fritz (first round)
* Peter Gojowczyk (qualified)
* Alexander Bublik (qualifying competition)
* Márton Fucsovics (qualified)
* Vincent Millot (first round)

### Qualifiers

* Lukáš Lacko
* Peter Gojowczyk
* Yannick Hanfmann
* Márton Fucsovics

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Lukáš Lacko | 6 | 6 | | | | |
| | Daniel Brands | 3 | 4 | | | | |
| | Daniel Brands | 3 | 4 | 1 | Lukáš Lacko | 6 | 7 |
| | | | | 6 | Alexander Bublik | 3 | 5 |
| | Mirza Bašić | 5 | 3 | 6 | Alexander Bublik | 3 | 5 |
| 6 | Alexander Bublik | 7 | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Ruben Bemelmans | 1 | 6 | 7$^7$ | | | | |
| | Yasutaka Uchiyama | 6 | 3 | 6$^4$ | | | | |
| | Yasutaka Uchiyama | 6 | 3 | 6$^4$ | 2 | Ruben Bemelmans | 4 | 6$^4$ |
| | | | | | 5 | Peter Gojowczyk | 6 | 7$^7$ |
| | Daniel Masur | 7 | 3 | 2 | 5 | Peter Gojowczyk | 6 | 7$^7$ |
| 5 | Peter Gojowczyk | 5 | 6 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Yannick Hanfmann | 6 | 2 | 6 | | | | |
| | Lukáš Rosol | 3 | 6 | 4 | | | | |
| | Lukáš Rosol | 3 | 6 | 4 | Alt | Yannick Hanfmann | 6 | 6 |
| | | | | | WC | Yannick Maden | 4 | 1 |
| WC | Yannick Maden | 7 | 5 | 6 | WC | Yannick Maden | 4 | 1 |
| 8 | Vincent Millot | 5 | 7 | 1 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Taylor Fritz | 5 | 6 | 3 | | | | |
| | Marco Chiudinelli | 7 | 4 | 6 | | | | |
| | Marco Chiudinelli | 7 | 4 | 6 | | Marco Chiudinelli | 5 | 5 |
| | | | | | 7 | Márton Fucsovics | 7 | 7 |
| WC | Daniel Altmaier | 3 | 4 | | 7 | Márton Fucsovics | 7 | 7 |
| 7 | Márton Fucsovics | 6 | 6 | | | | | |