# 2018 Berkeley Tennis Club Challenge – Singles

This was the first edition of the tournament.
Sofia Kenin won the title after defeating Nicole Gibbs 6–0, 6–4 in the final.

## Seeds

* Sofia Kenin (champion)
* Nicole Gibbs (final)
* Nao Hibino (semifinals)
* Kristie Ahn (quarterfinals)
* Jamie Loeb (quarterfinals)
* Grace Min (first round)
* Francesca Di Lorenzo (quarterfinals)
* Mayo Hibi (quarterfinals)

## 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 | Sofia Kenin | 7$^8$ | 6 | | | | |
| 3 | Nao Hibino | 6$^6$ | 2 | | | | |
| 3 | Nao Hibino | 6$^6$ | 2 | 1 | Sofia Kenin | 6 | 6 |
| | | | | 2 | Nicole Gibbs | 0 | 4 |
| | Ashley Kratzer | 4 | 2 | 2 | Nicole Gibbs | 0 | 4 |
| 2 | Nicole Gibbs | 6 | 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 | S Kenin | 6 | 6 | | | | | | | | | | | | | |
| Q | H Arakawa | 0 | 3 | | 1 | S Kenin | 6 | 7$^7$ | | | | | | | | |
| WC | A Lahey | 7 | 5 | 1 | | E Bektas | 3 | 6$^3$ | | | | | | | | |
| | E Bektas | 5 | 7 | 6 | | | | | 1 | S Kenin | 6 | 6 | | | | |
| | M Arcangioli | 6 | 7$^7$ | | | | | | 8 | M Hibi | 1 | 4 | | | | |
| | E Perez | 1 | 6$^4$ | | | M Arcangioli | 6$^3$ | 1 | | | | | | | | |
| Q | C Ma | 0 | 3 | | 8 | M Hibi | 7$^7$ | 6 | | | | | | | | |
| 8 | M Hibi | 6 | 6 | | | | | | | | | | 1 | S Kenin | 7$^8$ | 6 |
| 3 | N Hibino | 6 | 6 | | | | | | | | | | 3 | N Hibino | 6$^6$ | 2 |
| | M Doi | 4 | 4 | | 3 | N Hibino | 6 | 6 | | | | | | | | |
| | Q Gleason | 5 | 3 | | WC | G Brodsky | 4 | 4 | | | | | | | | |
| WC | G Brodsky | 7 | 6 | | | | | | 3 | N Hibino | 7$^7$ | 6 | | | | |
| | A Bai | 1 | 6 | 7 | | | | | 7 | F Di Lorenzo | 6$^3$ | 1 | | | | |
| | A Tere-Apisah | 6 | 3 | 5 | | A Bai | 4 | 3 | | | | | | | | |
| | UM Arconada | 3 | 5 | | 7 | F Di Lorenzo | 6 | 6 | | | | | | | | |
| 7 | F Di Lorenzo | 6 | 7 | | | | | | | | | | | | | |

### 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 |
| 6 | G Min | 4 | 4 | | | | | | | | | | | | | | | |
| | A Kratzer | 6 | 6 | | | A Kratzer | 5 | 6 | 7$^9$ | | | | | | | | | |
| | T Moore | 4 | 2 | | | D Lao | 7 | 4 | 6$^7$ | | | | | | | | | |
| | D Lao | 6 | 6 | | | | | | | | A Kratzer | 6 | 2 | 6 | | | | |
| Q | L Guillermo | 4 | 2 | | | | | | | 4 | K Ahn | 4 | 6 | 1 | | | | |
| WC | M Manasse | 6 | 6 | | WC | M Manasse | 1 | 6 | 1 | | | | | | | | | |
| | E Arango | 4 | 1 | | 4 | K Ahn | 6 | 4 | 6 | | | | | | | | | |
| 4 | K Ahn | 6 | 6 | | | | | | | | | | | | | A Kratzer | 4 | 2 |
| 5 | J Loeb | 7 | 3 | 6 | | | | | | | | | | | 2 | N Gibbs | 6 | 6 |
| | A Muhammad | 5 | 6 | 2 | 5 | J Loeb | 6 | 6 | | | | | | | | | | |
| | C Simmonds | 6 | 6 | | | C Simmonds | 4 | 1 | | | | | | | | | | |
| Q | P Montez | 1 | 3 | | | | | | | 5 | J Loeb | 3 | 2 | | | | | |
| | K Birrell | 2 | 2 | | | | | | | 2 | N Gibbs | 6 | 6 | | | | | |
| | M Sanchez | 6 | 6 | | | M Sanchez | 1 | 1 | | | | | | | | | | |
| | J Jakšić | 2 | 4 | | 2 | N Gibbs | 6 | 6 | | | | | | | | | | |
| 2 | N Gibbs | 6 | 6 | | | | | | | | | | | | | | | |