# 2019 Reinert Open – Singles

Olga Danilović was the defending champion, but chose not to participate.
Nina Stojanović won the title, defeating Katharina Hobgarski in the final, 6–0, 7–5.

## Seeds

* Bibiane Schoofs (semifinals)
* Barbara Haas (first round)
* Richèl Hogenkamp (first round)
* Ankita Raina (second round)
* Viktoriya Tomova (first round)
* Anna Bondár (second round)
* Irina Bara (quarterfinals)
* Valentini Grammatikopoulou (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 |
| 1 | Bibiane Schoofs | 2 | 5 | | | |
| | Katharina Hobgarski | 6 | 7 | | | |
| | Katharina Hobgarski | 6 | 7 | Katharina Hobgarski | 0 | 5 |
| | | | | Nina Stojanović | 6 | 7 |
| | Nina Stojanović | 6 | 6 | Nina Stojanović | 6 | 7 |
| WC | Jule Niemeier | 4 | 3 | | | |

### 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 |
| 1 | B Schoofs | 4 | 6 | 7 | | | | | | | | | | | | | | |
| | M Di Giuseppe | 6 | 3 | 5 | 1 | B Schoofs | 7$^7$ | 6 | | | | | | | | | | |
| | J Fourlis | 6$^5$ | 6 | 4 | | M Benoît | 6$^2$ | 3 | | | | | | | | | | |
| | M Benoît | 7$^7$ | 1 | 6 | | | | | | 1 | B Schoofs | 7 | 4 | 6 | | | | |
| WC | J Wachaczyk | 1 | 2 | | | | | | | | L Hradecká | 5 | 6 | 2 | | | | |
| | L Hradecká | 6 | 6 | | | L Hradecká | 3 | 6 | 6 | | | | | | | | | |
| Q | C Scholl | 5 | 6$^7$ | | 6 | A Bondár | 6 | 3 | 2 | | | | | | | | | |
| 6 | A Bondár | 7 | 7$^9$ | | | | | | | | | | | | 1 | B Schoofs | 2 | 5 |
| 4 | A Raina | 6 | 7$^7$ | | | | | | | | | | | | | K Hobgarski | 6 | 7 |
| | N Kostić | 1 | 6$^1$ | | 4 | A Raina | 3 | 1 | | | | | | | | | | |
| | K Hobgarski | 2 | 7$^{11}$ | 6 | | K Hobgarski | 6 | 6 | | | | | | | | | | |
| | K von Deichmann | 6 | 6$^9$ | 3 | | | | | | | K Hobgarski | 3 | 6 | 6 | | | | |
| Q | N Dascălu | 5 | 4 | | | | | | | | L Chirico | 6 | 4 | 2 | | | | |
| | L Chirico | 7 | 6 | | | L Chirico | 6 | 2 | 7$^7$ | | | | | | | | | |
| Q | A Shoshyna | 2 | 2 | | 8 | V Grammatikopoulou | 4 | 6 | 6$^3$ | | | | | | | | | |
| 8 | V Grammatikopoulou | 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 | Semifinals |
| 5 | V Tomova | 4 | 6 | 4 | | | | | | | | | | | | | |
| Q | T Pereira | 6 | 3 | 6 | Q | T Pereira | 6 | 6 | | | | | | | | | |
| | O Govortsova | 6 | 6 | | | O Govortsova | 2 | 4 | | | | | | | | | |
| Q | A Anshba | 2 | 4 | | | | | | | Q | T Pereira | 1 | 4 | | | | |
| | S Wagner | 6 | 0 | 4 | | | | | | | N Stojanović | 6 | 6 | | | | |
| | N Stojanović | 3 | 6 | 6 | | N Stojanović | 6 | 6 | | | | | | | | | |
| Q | C Ferrando | 6 | 6 | | Q | C Ferrando | 2 | 1 | | | | | | | | | |
| 3 | R Hogenkamp | 4 | 2 | | | | | | | | | | | | N Stojanović | 6 | 6 |
| 7 | I Bara | 6 | 6 | | | | | | | | | | | WC | J Niemeier | 4 | 3 |
| Q | E Makarova | 2 | 4 | | 7 | I Bara | 4 | 6 | 6 | | | | | | | | |
| WC | K Gerlach | 3 | 5 | | | E Kostova | 6 | 3 | 0 | | | | | | | | |
| | E Kostova | 6 | 7 | | | | | | | 7 | I Bara | 2 | 3 | | | | |
| WC | J Niemeier | 7 | 6 | | | | | | | WC | J Niemeier | 6 | 6 | | | | |
| Q | A Dețiuc | 5 | 0 | | WC | J Niemeier | 6 | 0$^r$ | | | | | | | | | |
| WC | J Steur | 7$^7$ | 7$^7$ | | WC | J Steur | 3 | 0 | | | | | | | | | |
| 2 | B Haas | 6$^5$ | 6$^3$ | | | | | | | | | | | | | | |