# 2017 Tashkent Challenger – Singles

Konstantin Kravchuk was the defending champion but lost in the second round to Marek Jaloviec.
Guillermo García López won the title after defeating Kamil Majchrzak 6–1, 7–6$^{(7–1)}$ in the final.

## Seeds

* Denis Istomin (semifinals)
* Thomas Fabbiano (second round)
* Alexander Bublik (second round)
* Guillermo García López (champion)
* Lukáš Lacko (withdrew)
* Matteo Berrettini (second round)
* Yuki Bhambri (second round)
* Konstantin Kravchuk (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 |
| 1 | Denis Istomin | 6$^5$ | 4 | | | | | |
| 4 | Guillermo García López | 7$^7$ | 6 | | | | | |
| 4 | Guillermo García López | 7$^7$ | 6 | | 4 | Guillermo García López | 6 | 7$^7$ |
| | | | | | | Kamil Majchrzak | 1 | 6$^1$ |
| | Marek Jaloviec | 4 | 6 | 3 | | Kamil Majchrzak | 1 | 6$^1$ |
| | Kamil Majchrzak | 6 | 4 | 6 | | | | |

### Top 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 | Semifinals |
| 1 | D Istomin | 6$^3$ | 6 | 7 | | | | | | | | | | | | |
| WC | F Dustov | 7$^7$ | 1 | 5 | 1 | D Istomin | 6 | 6 | | | | | | | | |
| | S Fayziev | 6$^3$ | 4 | | | A Šetkić | 4 | 1 | | | | | | | | |
| | A Šetkić | 7$^7$ | 6 | | | | | | 1 | D Istomin | 6 | 6 | | | | |
| | U Ignatik | 5 | | | | | | | | U Ignatik | 3 | 3 | | | | |
| | A Pavlásek | 1$^r$ | | | | U Ignatik | 6 | 6 | | | | | | | | |
| Q | L Margaroli | 3 | 7$^7$ | 3 | Q | D Petrović | 4 | 2 | | | | | | | | |
| Q | D Petrović | 6 | 6$^5$ | 6 | | | | | | | | | 1 | D Istomin | 6$^5$ | 4 |
| 4 | G García López | 6 | 6 | | | | | | | | | | 4 | G García López | 7$^7$ | 6 |
| Q | D Yevseyev | 2 | 3 | | 4 | G García López | 7 | 6 | | | | | | | | |
| Q | D Molchanov | 6 | 5 | 6 | Q | D Molchanov | 5 | 1 | | | | | | | | |
| WC | K Sultanov | 4 | 7 | 4 | | | | | 4 | G García López | 6 | 6 | | | | |
| | V Šafránek | w/o | | | | | | | | V Šafránek | 3 | 3 | | | | |
| | L Harris | | | | | V Šafránek | 6 | 7$^7$ | | | | | | | | |
| | E López Pérez | 6$^2$ | 6 | 2 | 6 | M Berrettini | 4 | 6$^3$ | | | | | | | | |
| 6 | M Berrettini | 7$^7$ | 2 | 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 | K Kravchuk | 7$^7$ | 6 | | | | | | | | | | | | | | |
| LL | I Nedelko | 6$^5$ | 3 | | 8 | K Kravchuk | 2 | 4 | | | | | | | | | |
| | Marek Jaloviec | 7$^7$ | 6 | | | M Jaloviec | 6 | 6 | | | | | | | | | |
| LL | I Gakhov | 6$^5$ | 2 | | | | | | | M Jaloviec | 6 | 5 | 7 | | | | |
| | M Bašić | 3 | 6$^6$ | | | | | | | G Sakharov | 4 | 7 | 5 | | | | |
| | G Sakharov | 6 | 7$^8$ | | | G Sakharov | 7$^{10}$ | 0 | 6 | | | | | | | | |
| WC | J Karimov | 6$^5$ | 7 | 5 | 3 | A Bublik | 6$^8$ | 6 | 2 | | | | | | | | |
| 3 | A Bublik | 7$^7$ | 5 | 7 | | | | | | | | | | M Jaloviec | 4 | 6 | 3 |
| 7 | Y Bhambri | 3 | | | | | | | | | | | | K Majchrzak | 6 | 4 | 6 |
| | A Nedovyesov | 0$^r$ | | | 7 | Y Bhambri | 4 | 6 | 4 | | | | | | | | |
| | M Polmans | 4 | 6$^8$ | | | K Majchrzak | 6 | 1 | 6 | | | | | | | | |
| | K Majchrzak | 6 | 7$^{10}$ | | | | | | | K Majchrzak | 6 | 6 | | | | | |
| | T Gabashvili | 4 | 0 | | | | | | | M Safwat | 3 | 0 | | | | | |
| | M Safwat | 6 | 6 | | | M Safwat | 6 | 3 | 6 | | | | | | | | |
| WC | T Ismailov | 3 | 1 | | 2 | T Fabbiano | 3 | 6 | 2 | | | | | | | | |
| 2 | T Fabbiano | 6 | 6 | | | | | | | | | | | | | | |