# 2018 Red Rock Pro Open – Singles

Sesil Karatantcheva was the defending champion, but lost in the first round to Grace Min.
Belinda Bencic won the title, defeating Nicole Gibbs in the final, 7–5, 6–1.

## Seeds

* Belinda Bencic (champion)
* Heather Watson (second round)
* Fanny Stollár (quarterfinals)
* Varvara Lepchenko (first round)
* Sofya Zhuk (first round)
* Marie Bouzková (quarterfinals)
* Verónica Cepede Royg (quarterfinals)
* Nicole Gibbs (final)

## 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 | Final | Final | Final | Final |
| 1 | Belinda Bencic | 6 | 6 | | | | |
| | Kurumi Nara | 1 | 4 | | | | |
| | Kurumi Nara | 1 | 4 | 1 | Belinda Bencic | 7 | 6 |
| | | | | 8 | Nicole Gibbs | 5 | 1 |
| Q | Giuliana Olmos | 2 | 4 | 8 | Nicole Gibbs | 5 | 1 |
| 8 | Nicole Gibbs | 6 | 6 | | | | |

### 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 |
| 1 | B Bencic | 6 | 6 | | | | | | | | | | | | | | | |
| | J Paolini | 3 | 3 | | 1 | B Bencic | 6 | 6 | | | | | | | | | | |
| | N Broady | 7$^7$ | 6 | | | N Broady | 4 | 2 | | | | | | | | | | |
| | R Hogenkamp | 6$^5$ | 4 | | | | | | | 1 | B Bencic | 1 | 6 | 6 | | | | |
| WC | K Day | 4 | 2 | | | | | | | 6 | M Bouzková | 6 | 1 | 4 | | | | |
| | L Davis | 6 | 6 | | | L Davis | 2 | 1 | | | | | | | | | | |
| PR | N Podoroska | 3 | 1 | | 6 | M Bouzková | 6 | 6 | | | | | | | | | | |
| 6 | M Bouzková | 6 | 6 | | | | | | | | | | | | 1 | B Bencic | 6 | 6 |
| 4 | V Lepchenko | 6 | 3 | 2 | | | | | | | | | | | | K Nara | 1 | 4 |
| | K Nara | 3 | 6 | 6 | | K Nara | 2 | 6 | 6 | | | | | | | | | |
| PR | E Halbauer | 4 | 3 | | WC | L Chirico | 6 | 2 | 3 | | | | | | | | | |
| WC | L Chirico | 6 | 6 | | | | | | | | K Nara | 6 | 7 | | | | | |
| | A Kiick | 7 | 0 | 6 | | | | | | 7 | V Cepede Royg | 4 | 5 | | | | | |
| | D Chiesa | 5 | 6 | 3 | | A Kiick | 6 | 2 | 2 | | | | | | | | | |
| | B Haddad Maia | 5 | 3 | | 7 | V Cepede Royg | 1 | 6 | 6 | | | | | | | | | |
| 7 | V Cepede Royg | 7 | 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 |
| 5 | S Zhuk | 7$^7$ | 5 | 5 | | | | | | | | | | | | | | |
| Q | G Olmos | 6$^4$ | 7 | 7 | Q | G Olmos | 6 | 6 | | | | | | | | | | |
| | V Flink | 6$^5$ | 6 | 0 | | V Flink | 3 | 2 | | | | | | | | | | |
| WC | M Mateas | 7$^7$ | 4 | 0$^r$ | | | | | | Q | G Olmos | 6 | 6 | | | | | |
| | A Muhammad | 6 | 3 | 3 | | | | | | 3 | F Stollár | 4 | 2 | | | | | |
| Q | H Chang | 4 | 6 | 6 | Q | H Chang | 3 | 4 | | | | | | | | | | |
| | E Kostova | 3 | 3 | | 3 | F Stollár | 6 | 6 | | | | | | | | | | |
| 3 | F Stollár | 6 | 6 | | | | | | | | | | | | Q | G Olmos | 2 | 4 |
| 8 | N Gibbs | 7 | 6 | | | | | | | | | | | | 8 | N Gibbs | 6 | 6 |
| Q | M Sanchez | 5 | 0 | | 8 | N Gibbs | 6 | 7 | | | | | | | | | | |
| | S Karatantcheva | 6$^4$ | 4 | | | G Min | 2 | 5 | | | | | | | | | | |
| | G Min | 7$^7$ | 6 | | | | | | | 8 | N Gibbs | 6$^2$ | 6 | 6 | | | | |
| | D Lao | 6 | 6 | | | | | | | | D Lao | 7$^7$ | 4 | 3 | | | | |
| Q | J Elie | 3 | 3 | | | D Lao | 5 | 6 | 6 | | | | | | | | | |
| | U Eikeri | 3 | 2 | | 2 | H Watson | 7 | 1 | 1 | | | | | | | | | |
| 2 | H Watson | 6 | 6 | | | | | | | | | | | | | | | |