title: 2018 Challenger de Buenos Aires – Singles
text: # 2018 Challenger de Buenos Aires – Singles
  
  Nicolás Kicker was the defending champion but was suspended from tennis due to match-fixing.
  
  Pablo Andújar won the title after defeating Pedro Cachin 6–3, 6–1 in the final.
  
  ## Seeds
  
  * Guido Andreozzi (first round)
  * Pablo Andújar (champion)
  * Thiago Monteiro (first round)
  * Pedro Sousa (first round, retired)
  * Hugo Dellien (second round)
  * Carlos Berlocq (first round)
  * Gianluigi Quinzi (second round)
  * Facundo Bagnis (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 |
  | - | - | - | - | - | - | - | - |
  | | Dimitar Kuzmanov | 3 | $6^6$ | | | | |
  | | Pedro Cachin | 6 | $7^8$ | | | | |
  | | Pedro Cachin | 6 | $7^8$ | | Pedro Cachin | 3 | 1 |
  | | | | | 2 | Pablo Andújar | 6 | 6 |
  | Q | Federico Coria | $6^5$ | 5 | 2 | Pablo Andújar | 6 | 6 |
  | 2 | Pablo Andújar | $7^7$ | 7 | | | | |
  
  ### Top half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | G Andreozzi | $6^5$ | 4 | | | | | | | | | | | | | |
  | Q | Bastián Malla | $7^7$ | 6 | | Q | B Malla | 6 | 6 | | | | | | | | |
  | | D Gimeno Traver | $7^8$ | 5 | 6 | | D Gimeno Traver | 2 | 4 | | | | | | | | |
  | | F Gaio | $6^6$ | 7 | 3 | | | | | Q | B Malla | 4 | 2 | | | | |
  | | D Kuzmanov | 5 | 6 | 6 | | | | | | D Kuzmanov | 6 | 6 | | | | |
  | Alt | A Collarini | 7 | 1 | 1 | | D Kuzmanov | 6 | 6 | | | | | | | | |
  | | T Bellucci | 4 | 6 | 3 | 7 | G Quinzi | 2 | 3 | | | | | | | | |
  | 7 | G Quinzi | 6 | 4 | 6 | | | | | | | | | | D Kuzmanov | 3 | $6^6$ |
  | 3 | T Monteiro | 0 | 3 | | | | | | | | | | | P Cachin | 6 | $7^8$ |
  | | P Cachin | 6 | 6 | | | P Cachin | 6 | 6 | | | | | | | | |
  | Q | O Luz | 6 | 3 | 6 | Q | O Luz | 2 | 1 | | | | | | | | |
  | WC | F Cerúndolo | 3 | 6 | 4 | | | | | | P Cachin | 6 | 4 | 6 | | | |
  | | F Argüello | 6 | 6 | | | | | | | F Argüello | 1 | 6 | 4 | | | |
  | WC | R Olivo | 1 | 2 | | | F Argüello | 6 | 6 | | | | | | | | |
  | Q | G Villanueva | 4 | 3 | | 5 | H Dellien | 4 | 4 | | | | | | | | |
  | 5 | H Dellien | 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 |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 8 | F Bagnis | 4 | 6 | $6^5$ | | | | | | | | | | | | | |
  | | M Cuevas | 6 | 4 | $7^7$ | | M Cuevas | 4 | 1 | | | | | | | | | |
  | | M Zekić | 3 | 2 | | | G Clezar | 6 | 6 | | | | | | | | | |
  | | G Clezar | 6 | 6 | | | | | | | | G Clezar | $6^5$ | 5 | | | | |
  | Q | F Coria | 6 | 6 | | | | | | | Q | F Coria | $7^7$ | 7 | | | | |
  | | D Dima | 2 | 1 | | Q | F Coria | 2 | 6 | 7 | | | | | | | | |
  | | J Domingues | 4 | | | | J Domingues | 6 | 3 | 5 | | | | | | | | |
  | 4 | P Sousa | $3^r$ | | | | | | | | | | | | Q | F Coria | $6^5$ | 5 |
  | 6 | C Berlocq | 5 | $6^1$ | | | | | | | | | | | 2 | P Andújar | $7^7$ | 7 |
  | | M Vilella Martínez | 7 | $7^7$ | | | M Vilella Martínez | $5^r$ | | | | | | | | | | |
  | WC | JP Ficovich | 6 | 3 | $6^4$ | | P Krstin | 5 | | | | | | | | | | |
  | | P Krstin | 3 | 6 | $7^7$ | | | | | | | P Krstin | 5 | 4 | | | | |
  | | A De Greef | 6 | 6 | | | | | | | 2 | P Andújar | 7 | 6 | | | | |
  | | G Elias | 4 | 3 | | | A De Greef | 1 | 2 | | | | | | | | | |
  | WC | F Mena | 2 | 1 | | 2 | P Andújar | 6 | 6 | | | | | | | | | |
  | 2 | P Andújar | 6 | 6 | | | | | | | | | | | | | | |
  