title: 2018 Reinert Open – Singles
text: # 2018 Reinert Open – Singles
  
  Mihaela Buzărnescu was the defending champion, but chose not to participate.
  
  Olga Danilović won the title, defeating Laura Siegemund in the final, 5–7, 6–1, 6–3.
  
  ## Seeds
  
  * Carina Witthöft (quarterfinals)
  * Richèl Hogenkamp (first round)
  * Tereza Martincová (second round)
  * Tereza Smitková (first round)
  * Kathinka von Deichmann (quarterfinals)
  * Bibiane Schoofs (semifinals)
  * Elitsa Kostova (first round)
  * Çağla Büyükakçay (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
  
  | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - | - |
  | WC | Laura Siegemund | 4 | 7 | 6 | | | | | |
  | | Anna Zaja | 6 | 5 | 4 | | | | | |
  | | Anna Zaja | 6 | 5 | 4 | WC | Laura Siegemund | 7 | 1 | 3 |
  | | | | | | | Olga Danilović | 5 | 6 | 6 |
  | 6 | Bibiane Schoofs | 1 | 3 | | | Olga Danilović | 5 | 6 | 6 |
  | | Olga Danilović | 6 | 6 | | | | | | |
  
  ### 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 | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | C Witthöft | 6 | 4 | 6 | | | | | | | | | | | | | | |
  | | U Eikeri | 3 | 6 | 3 | 1 | C Witthöft | 3 | 7 | 7 | | | | | | | | | |
  | | S Soler Espinosa | 7 | 6 | | | S Soler Espinosa | 6 | 5 | 5 | | | | | | | | | |
  | WC | J Steur | 5 | 2 | | | | | | | 1 | C Witthöft | 1 | 3 | | | | | |
  | | J Cristian | 4 | 1 | | | | | | | WC | L Siegemund | 6 | 6 | | | | | |
  | | K Muchová | 6 | 6 | | | K Muchová | 7 | 2 | 4 | | | | | | | | | |
  | WC | L Siegemund | 6 | 6 | | WC | L Siegemund | 5 | 6 | 6 | | | | | | | | | |
  | 7 | E Kostova | 2 | 4 | | | | | | | | | | | WC | L Siegemund | 4 | 7 | 6 |
  | 3 | T Martincová | $6^4$ | 6 | 4 | | | | | | | | | | | A Zaja | 6 | 5 | 4 |
  | | D Seguel | $7^7$ | 4 | $0^r$ | 3 | T Martincová | 2 | 6 | 2 | | | | | | | | | |
  | Q | A Moratelli | 1 | 3 | | | A Zaja | 6 | 4 | 6 | | | | | | | | | |
  | | A Zaja | 6 | 6 | | | | | | | | A Zaja | 6 | 6 | | | | | |
  | WC | L Rüffer | 6 | 5 | 6 | | | | | | 8 | Ç Büyükakçay | 2 | 3 | | | | | |
  | | O Ianchuk | 1 | 7 | 4 | WC | L Rüffer | 3 | 3 | | | | | | | | | | |
  | WC | K Gerlach | 6 | 4 | 5 | 8 | Ç Büyükakçay | 6 | 6 | | | | | | | | | | |
  | 8 | Ç Büyükakçay | 2 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 6 | B Schoofs | 6 | 6 | | | | | | | | | | | | | | | |
  | Q | J Niemeier | 4 | 2 | | 6 | B Schoofs | 7 | 6 | | | | | | | | | | |
  | Q | K Piter | 6 | 6 | | Q | K Piter | 5 | 2 | | | | | | | | | | |
  | | C Scholl | 3 | 1 | | | | | | | 6 | B Schoofs | 6 | 4 | 6 | | | | |
  | | M Di Giuseppe | 6 | 6 | | | | | | | | M Di Giuseppe | 4 | 6 | 1 | | | | |
  | Q | P Özgen | 3 | 2 | | | M Di Giuseppe | 6 | 1 | $7^7$ | | | | | | | | | |
  | | A Potapova | 6 | 4 | $7^7$ | | A Potapova | 4 | 6 | $6^5$ | | | | | | | | | |
  | 4 | T Smitková | 4 | 6 | $6^5$ | | | | | | | | | | | 6 | B Schoofs | 1 | 3 |
  | 5 | K von Deichmann | 6 | $7^7$ | | | | | | | | | | | | | O Danilović | 6 | 6 |
  | | D Radanović | 2 | $6^2$ | | 5 | K von Deichmann | 6 | $7^7$ | | | | | | | | | | |
  | | A Grymalska | $6^5$ | 6 | 6 | | A Grymalska | 2 | $6^5$ | | | | | | | | | | |
  | | N Stojanović | $7^7$ | 4 | 4 | | | | | | 5 | K von Deichmann | 2 | 5 | | | | | |
  | | İ Soylu | 2 | 4 | | | | | | | | O Danilović | 6 | 7 | | | | | |
  | | J Pieri | 6 | 6 | | | J Pieri | 1 | 1 | | | | | | | | | | |
  | | O Danilović | $7^7$ | 6 | | | O Danilović | 6 | 6 | | | | | | | | | | |
  | 2 | R Hogenkamp | $6^5$ | 0 | | | | | | | | | | | | | | | |
  