title: 2017 Amex-Istanbul Challenger – Singles
text: # 2017 Amex-Istanbul Challenger – Singles
  
  Malek Jaziri was the defending champion and successfully defended his title.
  
  Jaziri won the title after defeating Matteo Berrettini $7–6^{(7–4)},$ 0–6, 7–5 in the final.
  
  ## Seeds
  
  * Malek Jaziri (champion)
  * Denis Istomin (quarterfinals, retired)
  * Marius Copil (first round)
  * Evgeny Donskoy (quarterfinals)
  * Alexander Bublik (semifinals)
  * Matteo Berrettini (final)
  * Luca Vanni (withdrew)
  * Stefanos Tsitsipas (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 | Semifinals | Final | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - | - |
  | 1 | Malek Jaziri | 6 | 4 | 6 | | | | | |
  | | Karim-Mohamed Maamoun | 2 | 6 | 1 | | | | | |
  | | Karim-Mohamed Maamoun | 2 | 6 | 1 | 1 | Malek Jaziri | $7^7$ | 0 | 7 |
  | | | | | | 6 | Matteo Berrettini | $6^4$ | 6 | 5 |
  | 6 | Matteo Berrettini | 7 | 6 | | 6 | Matteo Berrettini | $6^4$ | 6 | 5 |
  | 5 | Alexander Bublik | 5 | 3 | | | | | | |
  
  ### 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 | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | M Jaziri | 6 | $7^8$ | | | | | | | | | | | | | | | | |
  | Q | Marc Sieber | 2 | $6^6$ | | 1 | M Jaziri | 3 | $7^8$ | 7 | | | | | | | | | | |
  | | B Bonzi | 6 | $6^1$ | 6 | | B Bonzi | 6 | $6^6$ | 5 | | | | | | | | | | |
  | | J Eysseric | 3 | $7^7$ | 4 | | | | | | 1 | M Jaziri | 6 | $6^4$ | 6 | | | | | |
  | | M İlhan | 2 | 6 | 6 | | | | | | | M İlhan | 2 | $7^7$ | 0 | | | | | |
  | | T Kamke | 6 | 2 | 3 | | M İlhan | 6 | 7 | | | | | | | | | | | |
  | | C İlkel | 2 | 6 | 4 | LL | S Dzhanashia | 2 | 5 | | | | | | | | | | | |
  | LL | Shalva Dzhanashia | 6 | 2 | 6 | | | | | | | | | | | 1 | M Jaziri | 6 | 4 | 6 |
  | 3 | M Copil | 2 | 5 | | | | | | | | | | | | | K-M Maamoun | 2 | 6 | 1 |
  | | M Janvier | 6 | 7 | | | M Janvier | $6^8$ | 6 | 5 | | | | | | | | | | |
  | WC | Muhammet Haylaz | $6^1$ | 5 | | WC | A Çelikbilek | $7^{10}$ | 0 | 7 | | | | | | | | | | |
  | WC | A Çelikbilek | $7^7$ | 7 | | | | | | | WC | A Çelikbilek | 2 | 4 | | | | | | |
  | | R Ortega Olmedo | 4 | 3 | | | | | | | | K-M Maamoun | 6 | 6 | | | | | | |
  | | K-M Maamoun | 6 | 6 | | | K-M Maamoun | 6 | 3 | 6 | | | | | | | | | | |
  | | U Ignatik | 6 | 1 | 6 | | U Ignatik | 3 | 6 | 2 | | | | | | | | | | |
  | 8 | S Tsitsipas | 4 | 6 | 3 | | | | | | | | | | | | | | | |
  
  ### 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 |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 6 | M Berrettini | 7 | 6 | | | | | | | | | | | | | | |
  | | R Berankis | 5 | 1 | | 6 | M Berrettini | 6 | 6 | | | | | | | | | |
  | | S Robert | $6^6$ | 3 | | Q | R Kern | 4 | 4 | | | | | | | | | |
  | Q | R Kern | $7^8$ | 6 | | | | | | | 6 | M Berrettini | 6 | 6 | | | | |
  | | M Bašić | 3 | 6 | 7 | | | | | | 4 | E Donskoy | 2 | 4 | | | | |
  | Q | Y Mertens | 6 | 3 | 5 | | M Bašić | 1 | 4 | | | | | | | | | |
  | | T Gabashvili | 4 | $1^r$ | | 4 | E Donskoy | 6 | 6 | | | | | | | | | |
  | 4 | E Donskoy | 6 | 4 | | | | | | | | | | | 6 | M Berrettini | 7 | 6 |
  | 5 | A Bublik | 6 | 7 | | | | | | | | | | | 5 | A Bublik | 5 | 3 |
  | WC | MN Türker | 2 | 5 | | 5 | A Bublik | 2 | 6 | 6 | | | | | | | | |
  | | A Šetkić | 2 | 3 | | | S Bolelli | 6 | 0 | 1 | | | | | | | | |
  | | S Bolelli | 6 | 6 | | | | | | | 5 | A Bublik | 3 | | | | | |
  | WC | A Yüksel | 1 | 3 | | | | | | | 2 | D Istomin | $2^r$ | | | | | |
  | Q | R Safiullin | 6 | 6 | | Q | R Safiullin | 3 | 6 | $6^3$ | | | | | | | | |
  | | V Millot | $6^4$ | $0^r$ | | 2 | D Istomin | 6 | 3 | $7^7$ | | | | | | | | |
  | 2 | D Istomin | $7^7$ | 0 | | | | | | | | | | | | | | |
  