2019 Reinert Open – Singles
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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
- Netherlands Bibiane Schoofs (semifinals)
- Austria Barbara Haas (first round)
- Netherlands Richèl Hogenkamp (first round)
- India Ankita Raina (second round)
- Bulgaria Viktoriya Tomova (first round)
- Hungary Anna Bondár (second round)
- Romania Irina Bara (quarterfinals)
- Greece Valentini Grammatikopoulou (second round)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted
Finals
| Semifinals | Final | ||||||||||||
| 1 | Netherlands Bibiane Schoofs | 2 | 5 | ||||||||||
| Germany Katharina Hobgarski | 6 | 7 | |||||||||||
| Germany Katharina Hobgarski | 0 | 5 | |||||||||||
| Serbia Nina Stojanović | 6 | 7 | |||||||||||
| Serbia Nina Stojanović | 6 | 6 | |||||||||||
| WC | Germany Jule Niemeier | 4 | 3 |
Top half
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | Netherlands B Schoofs | 4 | 6 | 7 | |||||||||||||||||||||||
| Italy M Di Giuseppe | 6 | 3 | 5 | 1 | Netherlands B Schoofs | 77 | 6 | ||||||||||||||||||||
| Australia J Fourlis | 65 | 6 | 4 | Belgium M Benoît | 62 | 3 | |||||||||||||||||||||
| Belgium M Benoît | 77 | 1 | 6 | 1 | Netherlands B Schoofs | 7 | 4 | 6 | |||||||||||||||||||
| WC | Germany J Wachaczyk | 1 | 2 | Czech Republic L Hradecká | 5 | 6 | 2 | ||||||||||||||||||||
| Czech Republic L Hradecká | 6 | 6 | Czech Republic L Hradecká | 3 | 6 | 6 | |||||||||||||||||||||
| Q | United States C Scholl | 5 | 67 | 6 | Hungary A Bondár | 6 | 3 | 2 | |||||||||||||||||||
| 6 | Hungary A Bondár | 7 | 79 | 1 | Netherlands B Schoofs | 2 | 5 | ||||||||||||||||||||
| 4 | India A Raina | 6 | 77 | Germany K Hobgarski | 6 | 7 | |||||||||||||||||||||
| Serbia N Kostić | 1 | 61 | 4 | India A Raina | 3 | 1 | |||||||||||||||||||||
| Germany K Hobgarski | 2 | 711 | 6 | Germany K Hobgarski | 6 | 6 | |||||||||||||||||||||
| Liechtenstein K von Deichmann | 6 | 69 | 3 | Germany K Hobgarski | 3 | 6 | 6 | ||||||||||||||||||||
| Q | Romania N Dascălu | 5 | 4 | United States L Chirico | 6 | 4 | 2 | ||||||||||||||||||||
| United States L Chirico | 7 | 6 | United States L Chirico | 6 | 2 | 77 | |||||||||||||||||||||
| Q | Ukraine A Shoshyna | 2 | 2 | 8 | Greece V Grammatikopoulou | 4 | 6 | 63 | |||||||||||||||||||
| 8 | Greece V Grammatikopoulou | 6 | 6 |
Bottom half
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | Bulgaria V Tomova | 4 | 6 | 4 | |||||||||||||||||||||||
| Q | Brazil T Pereira | 6 | 3 | 6 | Q | Brazil T Pereira | 6 | 6 | |||||||||||||||||||
| Belarus O Govortsova | 6 | 6 | Belarus O Govortsova | 2 | 4 | ||||||||||||||||||||||
| Q | Russia A Anshba | 2 | 4 | Q | Brazil T Pereira | 1 | 4 | ||||||||||||||||||||
| Germany S Wagner | 6 | 0 | 4 | Serbia N Stojanović | 6 | 6 | |||||||||||||||||||||
| Serbia N Stojanović | 3 | 6 | 6 | Serbia N Stojanović | 6 | 6 | |||||||||||||||||||||
| Q | Italy C Ferrando | 6 | 6 | Q | Italy C Ferrando | 2 | 1 | ||||||||||||||||||||
| 3 | Netherlands R Hogenkamp | 4 | 2 | Serbia N Stojanović | 6 | 6 | |||||||||||||||||||||
| 7 | Romania I Bara | 6 | 6 | WC | Germany J Niemeier | 4 | 3 | ||||||||||||||||||||
| Q | Russia E Makarova | 2 | 4 | 7 | Romania I Bara | 4 | 6 | 6 | |||||||||||||||||||
| WC | Germany K Gerlach | 3 | 5 | Bulgaria E Kostova | 6 | 3 | 0 | ||||||||||||||||||||
| Bulgaria E Kostova | 6 | 7 | 7 | Romania I Bara | 2 | 3 | |||||||||||||||||||||
| WC | Germany J Niemeier | 7 | 6 | WC | Germany J Niemeier | 6 | 6 | ||||||||||||||||||||
| Q | Czech Republic A Dețiuc | 5 | 0 | WC | Germany J Niemeier | 6 | 0r | ||||||||||||||||||||
| WC | Germany J Steur | 77 | 77 | WC | Germany J Steur | 3 | 0 | ||||||||||||||||||||
| 2 | Austria B Haas | 65 | 63 |