# 2018 Kremlin Cup – Men's singles

Damir Džumhur was the defending champion, but lost to Egor Gerasimov in the first round.
Karen Khachanov won the title, defeating Adrian Mannarino in the final, 6–2, 6–2.

## Seeds

The top four seeds received a bye into the second round.
* Marco Cecchinato (second round)
* Daniil Medvedev (semifinals)
* Karen Khachanov (champion)
* Filip Krajinović (quarterfinals)
* Nick Kyrgios (second round, withdrew due to elbow injury)
* Damir Džumhur (first round)
* Jérémy Chardy (withdrew)
* Martin Kližan (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 |
| | Adrian Mannarino | 7 | 7 | | | | | |
| | Andreas Seppi | 5 | 5 | | | | | |
| | Andreas Seppi | 5 | 5 | | | Adrian Mannarino | 2 | 2 |
| | | | | | 3/WC | Karen Khachanov | 6 | 6 |
| 3/WC | Karen Khachanov | 6 | 6$^5$ | 6 | 3/WC | Karen Khachanov | 6 | 6 |
| 2 | Daniil Medvedev | 1 | 7$^7$ | 3 | | | | |

### 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 |
| | | | | | 1 | M Cecchinato | 2 | 3 | | | | | | | |
| | A Mannarino | 3 | 6 | 7$^7$ | | A Mannarino | 6 | 6 | | | | | | | |
| WC | E Karlovskiy | 6 | 4 | 6$^4$ | | | | | | A Mannarino | 7$^7$ | 6 | | | |
| | B Paire | 7$^8$ | 2 | 6 | | | | | Q | E Gerasimov | 6$^3$ | 3 | | | |
| | M Zverev | 6$^6$ | 6 | 1 | | B Paire | 4 | 4 | | | | | | | |
| Q | E Gerasimov | 6 | 6$^5$ | 6 | Q | E Gerasimov | 6 | 6 | | | | | | | |
| 6 | D Džumhur | 1 | 7$^7$ | 2 | | | | | | | | | A Mannarino | 7 | 7 |
| | | | | | | | | | | | | | A Seppi | 5 | 5 |
| | | | | | 4 | F Krajinović | 7 | 6 | | | | | | | |
| | E Donskoy | 6 | 7$^{12}$ | | | E Donskoy | 5 | 4 | | | | | | | |
| | M Kukushkin | 4 | 6$^{10}$ | | | | | | 4 | F Krajinović | 4 | 6$^2$ | | | |
| | P-H Herbert | 6 | 6 | | | | | | | A Seppi | 6 | 7$^7$ | | | |
| Q | A Bublik | 3 | 4 | | | P-H Herbert | 6$^6$ | 6$^5$ | | | | | | | |
| | A Seppi | 6 | 7$^8$ | | | A Seppi | 7$^8$ | 7$^7$ | | | | | | | |
| 8 | M Kližan | 1 | 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 |
| 5/WC | N Kyrgios | 6 | 4 | 6 | | | | | | | | | | | | | | | |
| | A Rublev | 3 | 6 | 4 | 5/WC | N Kyrgios | | | | | | | | | | | | | |
| | M Jaziri | 6$^4$ | 2 | | | M Bašić | w/o | | | | | | | | | | | | |
| | M Bašić | 7$^7$ | 6 | | | | | | | | M Bašić | 2 | 6$^5$ | | | | | | |
| Q | L Rosol | 6 | 4 | 6 | | | | | | 3/WC | K Khachanov | 6 | 7$^7$ | | | | | | |
| | M Berrettini | 3 | 6 | 4 | Q | L Rosol | 4 | 5 | | | | | | | | | | | |
| | | | | | 3/WC | K Khachanov | 6 | 7 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | 3/WC | K Khachanov | 6 | 6$^5$ | 6 |
| LL | R Berankis | 6 | 5 | | | | | | | | | | | | 2 | D Medvedev | 1 | 7$^7$ | 3 |
| | D Istomin | 4 | 4$^r$ | | LL | R Berankis | 3 | 7$^7$ | 7$^7$ | | | | | | | | | | |
| | L Đere | 7 | 4 | 6$^2$ | | A Bedene | 6 | 6$^3$ | 6$^5$ | | | | | | | | | | |
| | A Bedene | 5 | 6 | 7$^7$ | | | | | | LL | R Berankis | 2 | 6 | 4 | | | | | |
| | D Lajović | 6 | 2 | 6 | | | | | | 2 | D Medvedev | 6 | 1 | 6 | | | | | |
| Q | F Horanský | 4 | 6 | 3 | | D Lajović | 2 | 1 | | | | | | | | | | | |
| | | | | | 2 | D Medvedev | 6 | 6 | | | | | | | | | | | |

## Qualifying
### Seeds

* Ričardas Berankis (qualifying competition, lucky loser)
* Lukáš Rosol (qualified)
* Nikola Milojević (first round)
* Alexey Vatutin (first round)
* Daniel Brands (first round)
* Uladzimir Ignatik (first round)
* Rudolf Molleker (first round)
* Viktor Galović (first round)

### Qualifiers

* Alexander Bublik
* Lukáš Rosol
* Filip Horanský
* Egor Gerasimov

### Lucky loser

* Ričardas Berankis

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Ričardas Berankis | 6 | 4 | 7 | | | | |
| | Blaž Kavčič | 4 | 6 | 5 | | | | |
| | Blaž Kavčič | 4 | 6 | 5 | 1 | Ričardas Berankis | 4 | 6$^5$ |
| | | | | | | Alexander Bublik | 6 | 7$^7$ |
| | Alexander Bublik | 6 | 6 | | | Alexander Bublik | 6 | 7$^7$ |
| 7 | Rudolf Molleker | 2 | 2 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Lukáš Rosol | 6 | 6 | | | | | |
| WC | Ivan Gakhov | 3 | 3 | | | | | |
| WC | Ivan Gakhov | 3 | 3 | | 2 | Lukáš Rosol | 6 | 2 |
| | | | | | | Jurij Rodionov | 2 | 0$^r$ |
| | Jurij Rodionov | 2 | 6 | 6 | | Jurij Rodionov | 2 | 0$^r$ |
| 6 | Uladzimir Ignatik | 6 | 4 | 2 | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Nikola Milojević | 4 | 3 | | | | |
| | Stefano Napolitano | 6 | 6 | | | | |
| | Stefano Napolitano | 6 | 6 | | Stefano Napolitano | 4 | 3 |
| | | | | | Filip Horanský | 6 | 6 |
| | Filip Horanský | 6$^8$ | 6 | 6 | Filip Horanský | 6 | 6 |
| 8 | Viktor Galović | 7$^{10}$ | 4 | 2 | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Alexey Vatutin | 5 | 2 | | | | | |
| PR | Egor Gerasimov | 7 | 6 | | | | | |
| PR | Egor Gerasimov | 7 | 6 | | PR | Egor Gerasimov | 7$^7$ | 6 |
| | | | | | WC | Teymuraz Gabashvili | 6$^5$ | 0 |
| WC | Teymuraz Gabashvili | 4 | 7$^7$ | 6 | WC | Teymuraz Gabashvili | 6$^5$ | 0 |
| 5 | Daniel Brands | 6 | 6$^3$ | 3 | | | | |