title: 2017 Thindown Challenger Biella – Singles
text: # 2017 Thindown Challenger Biella – Singles
  
  Federico Gaio was the defending champion but lost in the second round to João Souza.
  
  Filip Krajinović won the title after defeating Salvatore Caruso 6–3, 6–2 in the final.
  
  ## Seeds
  
  * Marco Cecchinato (quarterfinals)
  * Guillermo García López (second round)
  * Leonardo Mayer (withdrew)
  * Guido Andreozzi (first round, retired)
  * Filip Krajinović (champion)
  * João Souza (semifinals)
  * Stefano Travaglia (quarterfinals)
  * Roberto Carballés Baena (second 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 | Semifinals | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - |
  | 5 | Filip Krajinović | 6 | $7^9$ | | | | | |
  | 6 | João Souza | 4 | $6^7$ | | | | | |
  | 6 | João Souza | 4 | $6^7$ | | 5 | Filip Krajinović | 6 | 6 |
  | | | | | | | Salvatore Caruso | 3 | 2 |
  | Q | Andrea Arnaboldi | 6 | 5 | 5 | | Salvatore Caruso | 3 | 2 |
  | | Salvatore Caruso | 3 | 7 | 7 | | | | |
  
  ### 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 |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | M Cecchinato | 7 | 6 | | | | | | | | | | | | | | |
  | Q | R Marcora | 5 | 4 | | 1 | M Cecchinato | 7 | 6 | | | | | | | | | |
  | WC | Pietro Rondoni | 6 | 2 | 6 | WC | P Rondoni | 5 | 3 | | | | | | | | | |
  | Q | I Gakhov | 4 | 6 | 3 | | | | | | 1 | M Cecchinato | 4 | 2 | | | | |
  | | R Ramírez Hidalgo | 2 | 2 | | | | | | | 5 | F Krajinović | 6 | 6 | | | | |
  | WC | M Donati | 6 | 6 | | WC | M Donati | 2 | $6^1$ | | | | | | | | | |
  | | D Gimeno Traver | 1 | 4 | | 5 | F Krajinović | 6 | $7^7$ | | | | | | | | | |
  | 5 | F Krajinović | 6 | 6 | | | | | | | | | | | 5 | F Krajinović | 6 | $7^9$ |
  | LL | T Brkić | 6 | 1 | 6 | | | | | | | | | | 6 | J Souza | 4 | $6^7$ |
  | | M Janvier | 4 | 6 | 3 | LL | T Brkić | $6^5$ | 2 | | | | | | | | | |
  | Alt | V Galović | $6^3$ | 1 | | LL | M Ymer | $7^7$ | 6 | | | | | | | | | |
  | LL | M Ymer | $7^7$ | 6 | | | | | | | LL | M Ymer | 0 | 2 | | | | |
  | | F Gaio | 4 | 6 | 6 | | | | | | 6 | J Souza | 6 | 6 | | | | |
  | | C Hemery | 6 | 2 | 4 | | F Gaio | 6 | $6^9$ | 4 | | | | | | | | |
  | | A Balázs | 4 | 4 | | 6 | J Souza | 2 | $7^{11}$ | 6 | | | | | | | | |
  | 6 | J Souza | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 7 | S Travaglia | $7^7$ | 2 | 7 | | | | | | | | | | | | | | | |
  | WC | A Pellegrino | $6^5$ | 6 | 5 | 7 | S Travaglia | 7 | 6 | | | | | | | | | | | |
  | | C Lestienne | 7 | 4 | 6 | | C Lestienne | 5 | 4 | | | | | | | | | | | |
  | | L Giustino | 5 | 6 | 4 | | | | | | 7 | S Travaglia | 6 | $6^5$ | $6^3$ | | | | | |
  | SE | M Viola | 4 | 3 | | | | | | | Q | A Arnaboldi | 4 | $7^7$ | $7^7$ | | | | | |
  | Q | G Mager | 6 | 6 | | Q | G Mager | 4 | 4 | | | | | | | | | | | |
  | Q | A Arnaboldi | $6^3$ | $7^7$ | 4 | Q | A Arnaboldi | 6 | 6 | | | | | | | | | | | |
  | 4 | G Andreozzi | $7^7$ | $6^3$ | $3^r$ | | | | | | | | | | | Q | A Arnaboldi | 6 | 5 | 5 |
  | 8 | R Carballés Baena | 6 | 4 | 6 | | | | | | | | | | | | S Caruso | 3 | 7 | 7 |
  | | S Napolitano | 2 | 6 | 4 | 8 | R Carballés Baena | 5 | 2 | | | | | | | | | | | |
  | | F Coria | 6 | 6 | | | F Coria | 7 | 6 | | | | | | | | | | | |
  | | S Robert | 3 | 4 | | | | | | | | F Coria | 3 | $7^7$ | 3 | | | | | |
  | | S Caruso | 7 | 6 | | | | | | | | S Caruso | 6 | $6^3$ | 6 | | | | | |
  | | Y Reuter | 5 | 3 | | | S Caruso | 1 | 6 | 6 | | | | | | | | | | |
  | WC | L Sonego | 3 | 6 | 4 | 2 | G García López | 6 | 4 | 2 | | | | | | | | | | |
  | 2 | G García López | 6 | 2 | 6 | | | | | | | | | | | | | | | |
  