# 2018 Mercer Tennis Classic – Singles

Anna Karolína Schmiedlová was the defending champion, but chose to compete in Poitiers instead.
Varvara Lepchenko won the title, defeating Verónica Cepede Royg in the final, 6–4, 6–4.

## Seeds

* Madison Brengle (first round)
* Jessica Pegula (quarterfinals)
* Sofya Zhuk (first round)
* Claire Liu (first round)
* Nicole Gibbs (first round)
* Kristie Ahn (first round)
* Marie Bouzková (semifinals, retired)
* Christina McHale (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 | Final | Final | Final |
| | Varvara Lepchenko | 6 | 6 | | | |
| | Allie Kiick | 4 | 2 | | | |
| | Allie Kiick | 4 | 2 | Varvara Lepchenko | 6 | 6 |
| | | | | Verónica Cepede Royg | 4 | 4 |
| | Verónica Cepede Royg | 6 | 2 | Verónica Cepede Royg | 4 | 4 |
| 7 | Marie Bouzková | 3 | 0$^r$ | | | |

### 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 | Semifinals | Semifinals | Semifinals |
| 1 | M Brengle | 3 | 3 | | | | | | | | | | | | |
| | D Lao | 6 | 6 | | | D Lao | 6 | 3 | 6 | | | | | | |
| Q | L Chirico | 7$^7$ | 6 | | Q | L Chirico | 2 | 6 | 2 | | | | | | |
| | B Haddad Maia | 6$^4$ | 4 | | | | | | | D Lao | 2 | 5 | | | |
| | A Kratzer | 1 | 3 | | | | | | | V Lepchenko | 6 | 7 | | | |
| | V Lepchenko | 6 | 6 | | | V Lepchenko | 6 | 6 | | | | | | | |
| | W Osuigwe | 7 | 6 | | | W Osuigwe | 4 | 0 | | | | | | | |
| 8/WC | C McHale | 5 | 0 | | | | | | | | | | V Lepchenko | 6 | 6 |
| 4 | C Liu | 6$^7$ | 4 | | | | | | | | | | A Kiick | 4 | 2 |
| | K Day | 7$^9$ | 6 | | | K Day | 6 | 6 | | | | | | | |
| | L Davis | 6 | 6 | | | L Davis | 4 | 4 | | | | | | | |
| | G Brodsky | 4 | 3 | | | | | | | K Day | 2 | 5 | | | |
| | K Nara | 5 | 6$^4$ | | | | | | | A Kiick | 6 | 7 | | | |
| | S Chang | 7 | 7$^7$ | | | S Chang | 2 | 2 | | | | | | | |
| | A Kiick | 6 | 4 | 6 | | A Kiick | 6 | 6 | | | | | | | |
| 6 | K Ahn | 4 | 6 | 0 | | | | | | | | | | | |

### 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 |
| 5 | N Gibbs | 6 | 5 | 0 | | | | | | | | | | | | | |
| | A Li | 2 | 7 | 6 | | A Li | 4 | 4 | | | | | | | | | |
| Q | H Baptiste | 1 | 6 | 6 | Q | H Baptiste | 6 | 6 | | | | | | | | | |
| | A Muhammad | 6 | 3 | 1 | | | | | | Q | H Baptiste | 4 | 4 | | | | |
| | V Cepede Royg | 4 | 6 | 6 | | | | | | | V Cepede Royg | 6 | 6 | | | | |
| | G Min | 6 | 4 | 4 | | V Cepede Royg | 6 | 6 | | | | | | | | | |
| | U Eikeri | 6 | 6 | | | U Eikeri | 1 | 0 | | | | | | | | | |
| 3 | S Zhuk | 0 | 2 | | | | | | | | | | | | V Cepede Royg | 6 | 2 |
| 7 | M Bouzková | 7 | 6 | | | | | | | | | | | 7 | M Bouzková | 3 | 0$^r$ |
| WC | A Guarachi | 5 | 2 | | 7 | M Bouzková | 4 | 6 | 7 | | | | | | | | |
| | F Abanda | 1 | 2 | | | S Karatantcheva | 6 | 4 | 5 | | | | | | | | |
| | S Karatantcheva | 6 | 6 | | | | | | | 7 | M Bouzková | 7 | 6 | | | | |
| Q | G Olmos | 6 | 7 | | | | | | | 2 | J Pegula | 5 | 2 | | | | |
| | AS Sánchez | 2 | 5 | | Q | G Olmos | 2 | 0 | | | | | | | | | |
| Q | S Marand | 6 | 3 | 1 | 2 | J Pegula | 6 | 6 | | | | | | | | | |
| 2 | J Pegula | 2 | 6 | 6 | | | | | | | | | | | | | |