title: 2023 Challenger de Santiago – Singles
text: # 2023 Challenger de Santiago – Singles
  
  Hugo Dellien was the defending champion and successfully defended his title after defeating Thiago Seyboth Wild 3–6, 6–3, 6–3 in the final.
  
  ## Seeds
  
  * Nicolás Jarry (withdrew)
  * Marco Cecchinato (first round)
  * Facundo Bagnis (quarterfinals)
  * Hugo Dellien (champion)
  * Juan Manuel Cerúndolo (first round)
  * Camilo Ugo Carabelli (second round)
  * Franco Agamenone (quarterfinals)
  * Facundo Díaz Acosta (semifinals)
  
  ## 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 |
  | - | - | - | - | - | - | - | - | - |
  | 8 | Facundo Díaz Acosta | $6^2$ | 3 | | | | | |
  | Q | Thiago Seyboth Wild | $7^7$ | 6 | | | | | |
  | Q | Thiago Seyboth Wild | $7^7$ | 6 | Q | Thiago Seyboth Wild | 6 | 3 | 3 |
  | | | | | 4 | Hugo Dellien | 3 | 6 | 6 |
  | 4 | Hugo Dellien | 6 | 6 | 4 | Hugo Dellien | 3 | 6 | 6 |
  | | Genaro Alberto Olivieri | 2 | 2 | | | | | |
  
  ### 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 |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | Q | D Dutra da Silva | 6 | $6^4$ | $2^r$ | | | | | | | | | | | | | | |
  | LL | JL Reis da Silva | 4 | $7^7$ | 4 | LL | JL Reis da Silva | 6 | 3 | 5 | | | | | | | | | |
  | | L Darderi | $7^7$ | $7^7$ | | | L Darderi | 4 | 6 | 7 | | | | | | | | | |
  | WC | G Lama | $6^5$ | $6^1$ | | | | | | | | L Darderi | 0 | 5 | | | | | |
  | | F Delbonis | 4 | 6 | 3 | | | | | | 8 | F Díaz Acosta | 6 | 7 | | | | | |
  | Q | H Gaston | 6 | 4 | 6 | Q | H Gaston | 5 | 3 | | | | | | | | | | |
  | | N Kicker | 3 | 3 | | 8 | F Díaz Acosta | 7 | 6 | | | | | | | | | | |
  | 8 | F Díaz Acosta | 6 | 6 | | | | | | | | | | | | 8 | F Díaz Acosta | $6^2$ | 3 |
  | 3 | F Bagnis | 6 | 6 | | | | | | | | | | | | Q | T Seyboth Wild | $7^7$ | 6 |
  | | B Kuzuhara | 0 | 1 | | 3 | F Bagnis | 6 | 6 | | | | | | | | | | |
  | LL | G Villanueva | 0 | 1 | | | H Casanova | 2 | 3 | | | | | | | | | | |
  | | H Casanova | 6 | 6 | | | | | | | 3 | F Bagnis | 6 | 1 | 0 | | | | |
  | | T Barrios Vera | 5 | 6 | 1 | | | | | | Q | T Seyboth Wild | 3 | 6 | 6 | | | | |
  | | G Bueno | 7 | 2 | 6 | | G Bueno | 2 | $6^5$ | | | | | | | | | | |
  | Q | T Seyboth Wild | 6 | 6 | | Q | T Seyboth Wild | 6 | $7^7$ | | | | | | | | | | |
  | 5 | JM Cerúndolo | 3 | 4 | | | | | | | | | | | | | | | |
  
  ### 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 |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 7 | F Agamenone | 6 | $6^5$ | 6 | | | | | | | | | | | | | | |
  | Q | JB Torres | 3 | $7^7$ | 3 | 7 | F Agamenone | 3 | 6 | 6 | | | | | | | | | |
  | | M Navone | 0 | 4 | | | RA Burruchaga | 6 | 2 | 4 | | | | | | | | | |
  | | RA Burruchaga | 6 | 6 | | | | | | | 7 | F Agamenone | $7^7$ | $6^3$ | $6^5$ | | | | |
  | | A Vavassori | 6 | 6 | | | | | | | 4 | H Dellien | $6^5$ | $7^7$ | $7^7$ | | | | |
  | | TA Tirante | 4 | 4 | | | A Vavassori | 5 | 6 | $6^2$ | | | | | | | | | |
  | | A Pellegrino | 3 | 6 | 2 | 4 | H Dellien | 7 | 4 | $7^7$ | | | | | | | | | |
  | 4 | H Dellien | 6 | 4 | 6 | | | | | | | | | | | 4 | H Dellien | 6 | 6 |
  | 6 | C Ugo Carabelli | 6 | 6 | | | | | | | | | | | | | GA Olivieri | 2 | 2 |
  | WC | Nicolás Villalón | 1 | 0 | | 6 | C Ugo Carabelli | 4 | 7 | 4 | | | | | | | | | |
  | Q | F Gaio | $6^5$ | 6 | 6 | Q | F Gaio | 6 | 5 | 6 | | | | | | | | | |
  | | R Olivo | $7^7$ | 4 | 1 | | | | | | Q | F Gaio | 3 | 3 | | | | | |
  | | GA Olivieri | $7^8$ | 6 | | | | | | | | GA Olivieri | 6 | 6 | | | | | |
  | Q | Á López San Martín | $6^6$ | 4 | | | GA Olivieri | $7^8$ | 6 | | | | | | | | | | |
  | | R Bonadio | $7^7$ | 6 | | | R Bonadio | $6^6$ | 2 | | | | | | | | | | |
  | 2 | M Cecchinato | $6^4$ | 2 | | | | | | | | | | | | | | | |
  