# 2019 Berkeley Tennis Club Challenge – Singles

Sofia Kenin was the defending champion, but chose not to participate.
Madison Brengle won the title, defeating Mayo Hibi in the final, 7–5, 6–4.

## Seeds

* Madison Brengle (champion)
* Sachia Vickery (semifinals)
* Sofya Zhuk (withdrew)
* Francesca Di Lorenzo (first round)
* Han Na-lae (quarterfinals)
* Kristie Ahn (semifinals)
* Zoe Hives (first round)
* Katie Swan (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 | Final |
| 1 | Madison Brengle | 6 | 6 | | | | |
| 6 | Kristie Ahn | 1 | 3 | | | | |
| 6 | Kristie Ahn | 1 | 3 | 1 | Madison Brengle | 7 | 6 |
| | | | | | Mayo Hibi | 5 | 4 |
| | Mayo Hibi | 6 | 6 | | Mayo Hibi | 5 | 4 |
| 2 | Sachia Vickery | 3 | 0 | | | | |

### Top half

| 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 | M Brengle | 6 | 6 | | | | | | | | | | | | | | |
| Q | C Ma | 3 | 1 | 1 | M Brengle | 3 | 7 | 6 | | | | | | | | | |
| Q | G Olmos | 2 | 3 | Q | A Parks | 6 | 5 | 3 | | | | | | | | | |
| Q | A Parks | 6 | 6 | | | | | | 1 | M Brengle | 6 | 6 | | | | | |
| | G Brodsky | 6 | 6 | | | | | | | G Brodsky | 0 | 4 | | | | | |
| Q | A Myers | 3 | 3 | | G Brodsky | 6 | 5 | 7 | | | | | | | | | |
| | H Kuwata | 6 | 6 | | H Kuwata | 4 | 7 | 5 | | | | | | | | | |
| 7 | Z Hives | 3 | 4 | | | | | | | | | | | 1 | M Brengle | 6 | 6 |
| 4 | F Di Lorenzo | 4 | 5 | | | | | | | | | | | 6 | K Ahn | 1 | 3 |
| | Ar Rodionova | 6 | 7 | | Ar Rodionova | 6$^5$ | 7$^8$ | 6 | | | | | | | | | |
| | J Jakšić | 6 | 6 | | J Jakšić | 7$^7$ | 6$^6$ | 3 | | | | | | | | | |
| WC | N Subhash | 2 | 4 | | | | | | | Ar Rodionova | 4 | 6 | 3 | | | | |
| | D Khazaniuk | 3 | 4 | | | | | | 6 | K Ahn | 6 | 3 | 6 | | | | |
| | UM Arconada | 6 | 6 | | UM Arconada | 5 | 2 | | | | | | | | | | |
| Q | T Moore | 3 | 3 | 6 | K Ahn | 7 | 6 | | | | | | | | | | |
| 6 | K Ahn | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | N-l Han | 6 | 6 | | | | | | | | | | | | | | |
| Q | J Namigata | 4 | 1 | | 5 | N-l Han | 6$^4$ | 6 | 6 | | | | | | | | |
| | L Cabrera | 0 | 1 | | | A Shimizu | 7$^7$ | 1 | 3 | | | | | | | | |
| | A Shimizu | 6 | 6 | | | | | | | 5 | N-l Han | 5 | 4 | | | | |
| | Y Zhang | 3 | 3 | | | | | | | | M Hibi | 7 | 6 | | | | |
| | M Hibi | 6 | 6 | | | M Hibi | 4 | 7 | 6 | | | | | | | | |
| LL | X You | 6 | 6 | | LL | X You | 6 | 5 | 1 | | | | | | | | |
| Q | V Duval | 1 | 2 | | | | | | | | | | | | M Hibi | 6 | 6 |
| 8 | K Swan | 5 | 3 | | | | | | | | | | | 2 | S Vickery | 3 | 0 |
| | H Baptiste | 7 | 6 | | | H Baptiste | 4 | 4 | | | | | | | | | |
| WC | K Volynets | 7 | 2 | 6$^3$ | | C Dolehide | 6 | 6 | | | | | | | | | |
| | C Dolehide | 5 | 6 | 7$^7$ | | | | | | | C Dolehide | 3 | 5 | | | | |
| WC | K Day | 6 | 4 | 4 | | | | | | 2 | S Vickery | 6 | 7 | | | | |
| Q | H Chang | 2 | 6 | 6 | | H Chang | 4 | 4 | | | | | | | | | |
| WC | M Manasse | 4 | 4 | | 2 | S Vickery | 6 | 6 | | | | | | | | | |
| 2 | S Vickery | 6 | 6 | | | | | | | | | | | | | | |