title: 2023 Zadar Open – Singles
text: # 2023 Zadar Open – Singles
  
  Flavio Cobolli was the defending champion but lost in the semifinals to Sebastian Ofner.
  
  Alessandro Giannessi won the title after defeating Ofner 6–4, 5–7, $7–6^{(8–6)}$ in the final.
  
  ## Seeds
  
  * Tseng Chun-hsin (second round)
  * Jozef Kovalík (second round)
  * Ryan Peniston (first round)
  * Sebastian Ofner (final)
  * Flavio Cobolli (semifinals)
  * Laurent Lokoli (withdrew)
  * Vít Kopřiva (first round)
  * Manuel Guinard (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 | Final | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - |
  | 5 | Flavio Cobolli | 5 | 5 | | | | | |
  | 4 | Sebastian Ofner | 7 | 7 | | | | | |
  | 4 | Sebastian Ofner | 7 | 7 | 4 | Sebastian Ofner | 4 | 7 | $6^6$ |
  | | | | | | Alessandro Giannessi | 6 | 5 | $7^8$ |
  | | Alessandro Giannessi | 6 | 6 | | Alessandro Giannessi | 6 | 5 | $7^8$ |
  | | Arthur Cazaux | 3 | 4 | | | | | |
  
  ### 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 | C-h Tseng | 6 | 7 | | | | | | | | | | | | | | | |
  | LL | N Milojević | 4 | 5 | | 1 | C-h Tseng | 6 | 1 | 4 | | | | | | | | | |
  | Q | G Zeppieri | 6 | 6 | | Q | G Zeppieri | 4 | 6 | 6 | | | | | | | | | |
  | Q | David Pichler | 1 | 4 | | | | | | | Q | G Zeppieri | 6 | 2 | 1 | | | | |
  | | FC Jianu | 1 | $6^4$ | | | | | | | 5 | F Cobolli | 3 | 6 | 6 | | | | |
  | | D Džumhur | 6 | $7^7$ | | | D Džumhur | 6 | 2 | 5 | | | | | | | | | |
  | WC | M Poljičak | 1 | 3 | | 5 | F Cobolli | 3 | 6 | 7 | | | | | | | | | |
  | 5 | F Cobolli | 6 | 6 | | | | | | | | | | | | 5 | F Cobolli | 5 | 5 |
  | 4 | S Ofner | $7^7$ | 2 | 6 | | | | | | | | | | | 4 | S Ofner | 7 | 7 |
  | | N Fatić | $6^1$ | 6 | 2 | 4 | S Ofner | 1 | $7^7$ | 6 | | | | | | | | | |
  | | M Zekić | 6 | 3 | 2 | | DN Mădăraș | 6 | $6^3$ | 4 | | | | | | | | | |
  | | DN Mădăraș | 2 | 6 | 6 | | | | | | 4 | S Ofner | 6 | 6 | | | | | |
  | Q | J Ocleppo | 3 | 6 | 4 | | | | | | | M Gigante | 4 | 1 | | | | | |
  | | M Gigante | 6 | 2 | 6 | | M Gigante | 6 | 6 | | | | | | | | | | |
  | | H Međedović | 6 | 6 | | | H Međedović | 1 | 2 | | | | | | | | | | |
  | 7 | V Kopřiva | 4 | 2 | | | | | | | | | | | | | | | |
  
  ### Bottom half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 8 | M Guinard | 4 | 2 | | | | | | | | | | | | |
  | | A Giannessi | 6 | 6 | | | A Giannessi | $7^7$ | 6 | | | | | | | |
  | | N Serdarušić | 6 | 6 | | | N Serdarušić | $6^4$ | 3 | | | | | | | |
  | | G Mager | 4 | 2 | | | | | | | A Giannessi | $7^8$ | 6 | | | |
  | LL | S Caruso | 3 | $7^7$ | 6 | | | | | | Z Piros | $6^6$ | 2 | | | |
  | | K Coppejans | 6 | $6^4$ | 1 | LL | S Caruso | 2 | 3 | | | | | | | |
  | | Z Piros | 6 | 6 | | | Z Piros | 6 | 6 | | | | | | | |
  | 3 | R Peniston | 4 | 4 | | | | | | | | | | A Giannessi | 6 | 6 |
  | Q | G Fonio | 6 | 4 | 2 | | | | | | | | | A Cazaux | 3 | 4 |
  | | A Cazaux | 4 | 6 | 6 | | A Cazaux | 6 | 6 | | | | | | | |
  | | T Droguet | 4 | 6 | 4 | WC | D Ajduković | 3 | 4 | | | | | | | |
  | WC | D Ajduković | 6 | 3 | 6 | | | | | | A Cazaux | 6 | 6 | | | |
  | WC | D Prižmić | 6 | 6 | | | | | | WC | D Prižmić | 1 | 1 | | | |
  | Q | M Bašić | 1 | 3 | | WC | D Prižmić | 6 | 6 | | | | | | | |
  | Q | Jeremy Jahn | 7 | 3 | 2 | 2 | J Kovalík | 3 | 4 | | | | | | | |
  | 2 | J Kovalík | 5 | 6 | 6 | | | | | | | | | | | |
  