# 2019 Heilbronner Neckarcup – Singles

Rudolf Molleker was the defending champion but lost in the quarterfinals to Dennis Novak.
Filip Krajinović won the title after defeating Arthur De Greef 6–3, 6–1 in the final.

## Seeds

All seeds receive a bye into the second round.
* Filip Krajinović (champion)
* Tennys Sandgren (second round)
* Alexander Bublik (second round)
* Jiří Veselý (third round)
* Denis Istomin (second round)
* Hugo Dellien (quarterfinals)
* Thiago Monteiro (third round)
* Maximilian Marterer (withdrew)
* Elias Ymer (third round)
* Yannick Maden (second round)
* Dennis Novak (semifinals)
* Guillermo García López (third round)
* Stefano Travaglia (semifinals)
* Peter Polansky (third round)
* Sebastian Ofner (second round)
* Matthias Bachinger (quarterfinals)

## 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1/WC | Filip Krajinović | 7 | 7$^8$ | | | | | | | | | | |
| LL | Viktor Troicki | 5 | 6$^6$ | | | | | | | | | | |
| LL | Viktor Troicki | 5 | 6$^6$ | | 1/WC | Filip Krajinović | 1 | 7$^7$ | 6 | | | | |
| | | | | | 13 | Stefano Travaglia | 6 | 6$^5$ | 1 | | | | |
| 13 | Stefano Travaglia | 6 | 3 | 7 | 13 | Stefano Travaglia | 6 | 6$^5$ | 1 | | | | |
| 6 | Hugo Dellien | 4 | 6 | 5 | | | | | | | | | |
| 6 | Hugo Dellien | 4 | 6 | 5 | | | | | | 1/WC | Filip Krajinović | 6 | 6 |
| | | | | | | | | | | | Arthur De Greef | 3 | 1 |
| | Arthur De Greef | 3 | 6 | 6 | | | | | | | | | | Arthur De Greef | 3 | 1 |
| 16 | Matthias Bachinger | 6 | 1 | 2 | | | | | | | | | |
| 16 | Matthias Bachinger | 6 | 1 | 2 | | Arthur De Greef | 6 | 7 | | | | | |
| | | | | | 11 | Dennis Novak | 3 | 5 | | | | | |
| 11 | Dennis Novak | 1 | 7 | 7$^7$ | 11 | Dennis Novak | 3 | 5 | | | | | |
| | Rudolf Molleker | 6 | 5 | 6$^3$ | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 1/WC | F Krajinović | 6 | 4 | 7 | | | | | | | | |
| | D Köpfer | 6 | 6 | | D Köpfer | 4 | 6 | 5 | | | | | | | | |
| | D Brands | 3 | 1 | | | | | | 1/WC | F Krajinović | 6 | 7 | | | | |
| ITF | Baptiste Crepatte | 6 | 7$^7$ | | | | | | 14 | P Polansky | 3 | 5 | | | | |
| | R Dutra Silva | 3 | 6$^2$ | ITF | B Crepatte | 1 | 6$^4$ | | | | | | | | | |
| | | | | 14 | P Polansky | 6 | 7$^7$ | | | | | | | | | |
| | | | | | | | | | | | | | 1/WC | F Krajinović | 7 | 7$^8$ |
| | | | | | | | | | | | | | LL | V Troicki | 5 | 6$^6$ |
| | | | | 12 | G García López | 6 | 6 | | | | | | | | | |
| WC | D Altmaier | 6 | 6 | WC | D Altmaier | 3 | 3 | | | | | | | | | |
| | J Rodionov | 4 | 2 | | | | | | 12 | G García López | 4 | 4 | | | | |
| | C Berlocq | 3 | 1 | | | | | | LL | V Troicki | 6 | 6 | | | | |
| | A Vatutin | 6 | 6 | | A Vatutin | 6 | 1 | 6$^6$ | | | | | | | | |
| | | | | LL | V Troicki | 2 | 6 | 7$^8$ | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3 | A Bublik | 6$^2$ | 0 | | | | | | | | | | | |
| | Yo Watanuki | 2 | 2 | | | J Kovalík | 7$^7$ | 6 | | | | | | | | | | | |
| | J Kovalík | 6 | 6 | | | | | | | | J Kovalík | 6 | 3 | 6$^1$ | | | | | |
| WC | C-M Stebe | 4 | 3 | | | | | | | 13 | S Travaglia | 1 | 6 | 7$^7$ | | | | | |
| | D Brown | 6 | 6 | | | D Brown | 1 | 4 | | | | | | | | | | | |
| | | | | | 13 | S Travaglia | 6 | 6 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | 13 | S Travaglia | 6 | 3 | 7 |
| | | | | | | | | | | | | | | | 6 | H Dellien | 4 | 6 | 5 |
| | | | | | 9/WC | E Ymer | 6 | 6 | | | | | | | | | | | |
| ITF | A Rinderknech | 6 | 3 | 2 | ITF | H Casanova | 3 | 0 | | | | | | | | | | | |
| ITF | H Casanova | 3 | 6 | 6 | | | | | | 9/WC | E Ymer | 2 | 2 | | | | | | |
| | M Viola | 4 | 3 | | | | | | | 6 | H Dellien | 6 | 6 | | | | | | |
| Q | A Balázs | 6 | 6 | | Q | A Balázs | 6 | 2 | 3 | | | | | | | | | | |
| | | | | | 6 | H Dellien | 4 | 6 | 6 | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | T Monteiro | 6 | 7 | | | | | | | | | | |
| | DE Galán | 7 | 6$^5$ | 3 | | C Lestienne | 4 | 5 | | | | | | | | | | |
| | C Lestienne | 5 | 7$^7$ | 6 | | | | | 7 | T Monteiro | 6$^7$ | 6 | 6$^3$ | | | | | |
| | A De Greef | 6 | 6 | | | | | | | A De Greef | 7$^9$ | 2 | 7$^7$ | | | | | |
| | N Rubin | 2 | 2 | | | A De Greef | 6 | 6 | | | | | | | | | | |
| | | | | | 10/WC | Y Maden | 4 | 2 | | | | | | | | | | |
| | | | | | | | | | | | | | | | A De Greef | 3 | 6 | 6 |
| | | | | | | | | | | | | | | 16 | M Bachinger | 6 | 1 | 2 |
| | | | | | 16 | M Bachinger | 6 | 6 | | | | | | | | | | |
| ITF | Peter Heller | 6 | 6 | | ITF | P Heller | 3 | 3 | | | | | | | | | | |
| LL | K Krawietz | 3 | 2 | | | | | | 16 | M Bachinger | 6 | 6 | | | | | | |
| Q | D Masur | 6 | 4 | 6 | | | | | 4 | J Veselý | 4 | 4 | | | | | | |
| | Y Hanfmann | 3 | 6 | 2 | Q | D Masur | 5 | 4 | | | | | | | | | | |
| | | | | | 4 | J Veselý | 7 | 6 | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 5 | D Istomin | 2 | 2 | | | | | | | | | | |
| | O Otte | 6 | 6 | | | O Otte | 6 | 6 | | | | | | | | | | |
| | L Rosol | 4 | 1 | | | | | | | | O Otte | 5 | 2 | | | | | |
| | M Trungelliti | 7$^7$ | 6 | | | | | | | 11 | D Novak | 7 | 6 | | | | | |
| | S Napolitano | 6$^5$ | 4 | | | M Trungelliti | 6$^3$ | 2 | | | | | | | | | | |
| | | | | | 11 | D Novak | 7$^7$ | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | 11 | D Novak | 1 | 7 | 7$^7$ |
| | | | | | | | | | | | | | | | R Molleker | 6 | 5 | 6$^3$ |
| | | | | | 15 | S Ofner | 4 | 6 | 6$^1$ | | | | | | | | | |
| | M Bašić | 4 | 2 | | ITF | A Karatsev | 6 | 2 | 7$^7$ | | | | | | | | | |
| ITF | A Karatsev | 6 | 6 | | | | | | | ITF | A Karatsev | 5 | 3 | | | | | |
| | R Molleker | 5 | 6 | 6 | | | | | | | R Molleker | 7 | 6 | | | | | |
| | M Moraing | 7 | 4 | 1 | | R Molleker | 6 | 6 | | | | | | | | | | |
| | | | | | 2 | T Sandgren | 3 | 4 | | | | | | | | | | |