# 2019 Nur-Sultan Challenger – Singles

This was the first edition of the tournament.
Illya Marchenko won the title after defeating Yannick Maden 4–6, 6–4, 6–3 in the final.

## Seeds

All seeds receive a bye into the second round.
* Corentin Moutet (quarterfinals)
* Evgeny Donskoy (quarterfinals)
* Malek Jaziri (third round)
* Ilya Ivashka (third round)
* Yannick Maden (final)
* Viktor Troicki (second round)
* Denis Istomin (third round, retired)
* Alexey Vatutin (quarterfinals)
* Ruben Bemelmans (semifinals)
* Dmitry Popko (second round)
* Matteo Viola (second round)
* Aleksandr Nedovyesov (third round)
* Roman Safiullin (second round)
* Sasikumar Mukund (second round)
* Hiroki Moriya (second round)
* Evgeny Karlovskiy (second round, retired)

## 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Corentin Moutet | 3 | 4 | | | | | | | | | | | |
| 5 | Yannick Maden | 6 | 6 | | | | | | | | | | | |
| 5 | Yannick Maden | 6 | 6 | | 5 | Yannick Maden | 4 | | | | | | | |
| | | | | | | Tomáš Macháč | 1$^r$ | | | | | | | |
| | Tomáš Macháč | 6 | 6 | | | Tomáš Macháč | 1$^r$ | | | | | | | |
| 8 | Alexey Vatutin | 4 | 1 | | | | | | | | | | | |
| 8 | Alexey Vatutin | 4 | 1 | | | | | | | 5 | Yannick Maden | 6 | 4 | 3 |
| | | | | | | | | | | | Illya Marchenko | 4 | 6 | 6 |
| | Illya Marchenko | 6 | 6 | | | | | | | | | | | | Illya Marchenko | 4 | 6 | 6 |
| | Konstantin Kravchuk | 4 | 3 | | | | | | | | | | | |
| | Konstantin Kravchuk | 4 | 3 | | | Illya Marchenko | 1 | 7$^7$ | 6 | | | | | |
| | | | | | 9 | Ruben Bemelmans | 6 | 6$^5$ | 4 | | | | | |
| 9 | Ruben Bemelmans | 6 | 3 | 6 | 9 | Ruben Bemelmans | 6 | 6$^5$ | 4 | | | | | |
| 2 | Evgeny Donskoy | 1 | 6 | 3 | | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | C Moutet | 6 | 6 | | | | | | | | | | |
| WC | T Khabibulin | 4 | 1 | | Q | S Danilov | 2 | 0 | | | | | | | | | | |
| Q | S Danilov | 6 | 6 | | | | | | | 1 | C Moutet | 6 | 4 | 6 | | | | |
| | D Yevseyev | 3 | 7$^7$ | 3 | | | | | | | J Rodionov | 3 | 6 | 3 | | | | |
| | J Rodionov | 6 | 6$^2$ | 6 | | J Rodionov | 6 | 3 | 7 | | | | | | | | | |
| | | | | | 13 | R Safiullin | 2 | 6 | 5 | | | | | | | | | |
| | | | | | | | | | | | | | | | 1 | C Moutet | 3 | 4 |
| | | | | | | | | | | | | | | | 5 | Y Maden | 6 | 6 |
| | | | | | 10 | D Popko | 1 | 7 | 1 | | | | | | | | | |
| | K Sultanov | 7$^7$ | 6 | | | K Sultanov | 6 | 5 | 6 | | | | | | | | | |
| LL | Sagadat Ayap | 6$^2$ | 3 | | | | | | | | K Sultanov | 3 | 6$^3$ | | | | | |
| | D Kalenichenko | 2 | 5 | | | | | | | 5 | Y Maden | 6 | 7$^7$ | | | | | |
| | M Zverev | 6 | 7 | | | M Zverev | 7 | 0 | 3 | | | | | | | | | |
| | | | | | 5 | Y Maden | 5 | 6 | 6 | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3 | M Jaziri | 3 | 6 | 6 | | | | | | | | | |
| Q | F Reboul | 6 | 6$^1$ | 6 | Q | F Reboul | 6 | 3 | 4 | | | | | | | | | |
| | J Härteis | 4 | 7$^7$ | 3 | | | | | | 3 | M Jaziri | 6$^5$ | 6$^3$ | | | | | |
| | A Karatsev | 3 | 4 | | | | | | | | T Macháč | 7$^7$ | 7$^7$ | | | | | |
| | T Macháč | 6 | 6 | | | T Macháč | 6 | 2 | | | | | | | | | | |
| | | | | | 16 | E Karlovskiy | 2 | 1$^r$ | | | | | | | | | | |
| | | | | | | | | | | | | | | | | T Macháč | 6 | 6 |
| | | | | | | | | | | | | | | | 8 | A Vatutin | 4 | 1 |
| | | | | | 12 | A Nedovyesov | 6 | 7$^7$ | | | | | | | | | | |
| | V Manafov | 6 | 3 | 6 | | V Manafov | 4 | 6$^3$ | | | | | | | | | | |
| | H Grenier | 3 | 6 | 3 | | | | | | 12 | A Nedovyesov | 6 | 5 | 2 | | | | |
| | V Durasovic | 6 | 6 | | | | | | | 8 | A Vatutin | 4 | 7 | 6 | | | | |
| WC | Dostanbek Tashbulatov | 4 | 0 | | | V Durasovic | 3 | 4 | | | | | | | | | | |
| | | | | | 8 | A Vatutin | 6 | 6 | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | V Troicki | 3 | 3 | | | | | | | | |
| | M Guinard | 5 | 3 | | | T Gabashvili | 6 | 6 | | | | | | | | |
| | T Gabashvili | 7 | 6 | | | | | | | T Gabashvili | 4 | 2 | | | | |
| | I Marchenko | 6 | 7 | | | | | | | I Marchenko | 6 | 6 | | | | |
| PR | M Neuchrist | 4 | 5 | | | I Marchenko | 6 | 6 | | | | | | | | |
| | | | | | 11 | M Viola | 4 | 3 | | | | | | | | |
| | | | | | | | | | | | | | | I Marchenko | 6 | 6 |
| | | | | | | | | | | | | | | K Kravchuk | 4 | 3 |
| | | | | | 14 | S Mukund | 4 | 2 | | | | | | | | |
| | K Kravchuk | 3 | 6 | 6 | | K Kravchuk | 6 | 6 | | | | | | | | |
| | B Gojo | 6 | 1 | 4 | | | | | | K Kravchuk | 1 | 6 | 6 | | | |
| WC | A Iakovlev | 0 | 2 | | | | | | 4 | I Ivashka | 6 | 3 | 2 | | | |
| | K Uchida | 6 | 6 | | | K Uchida | 1 | 4 | | | | | | | | |
| | | | | | 4 | I Ivashka | 6 | 6 | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | D Istomin | 7 | 6 | | | | | | | | | | |
| | J Lenz | 6 | 7$^7$ | | | J Lenz | 5 | 1 | | | | | | | | | | |
| WC | B Zhukayev | 2 | 6$^5$ | | | | | | | 7 | D Istomin | 4 | 6$^r$ | | | | | |
| | I Gakhov | 6 | 6 | | | | | | | 9 | R Bemelmans | 6 | 6 | | | | | |
| WC | J Karimov | 3 | 4 | | | I Gakhov | 4 | 3 | | | | | | | | | | |
| | | | | | 9 | R Bemelmans | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | 9 | R Bemelmans | 6 | 3 | 6 |
| | | | | | | | | | | | | | | 2 | E Donskoy | 1 | 6 | 3 |
| | | | | | 15 | H Moriya | 3 | 3 | | | | | | | | | | |
| | A Dubrivnyy | 3 | 6 | 3 | | C İlkel | 6 | 6 | | | | | | | | | | |
| | C İlkel | 6 | 1 | 6 | | | | | | | C İlkel | 4 | 2 | | | | | |
| | M-A Hüsler | 6 | 4 | 3 | | | | | | 2 | E Donskoy | 6 | 6 | | | | | |
| | Z Kolář | 4 | 6 | 6 | | Z Kolář | 6$^3$ | 6 | 6$^5$ | | | | | | | | | |
| | | | | | 2 | E Donskoy | 7$^7$ | 4 | 7$^7$ | | | | | | | | | |