# 2023 Berkeley Tennis Club Challenge – Singles

Madison Brengle was the defending champion and top seed, but she retired from her quarterfinal match against Marina Stakusic at 4–6, 0–2.
Stakusic went on to win the title, defeating Allie Kiick in the final, 6–3, 6–4.

## Seeds

* Madison Brengle (quarterfinals, retired)
* Katie Volynets (first round)
* Katherine Sebov (second round)
* Elsa Jacquemot (semifinals)
* Lulu Sun (second round)
* Tatiana Prozorova (quarterfinals)
* Marcela Zacarías (first round)
* Makenna Jones (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 |
| SR | Marina Stakusic | 6 | 6 | | | | |
| Q | Ellie Douglas | 3 | 2 | | | | |
| Q | Ellie Douglas | 3 | 2 | SR | Marina Stakusic | 6 | 6 |
| | | | | Q | Allie Kiick | 3 | 4 |
| 4 | Elsa Jacquemot | 6$^5$ | 2 | Q | Allie Kiick | 3 | 4 |
| Q | Allie Kiick | 7$^7$ | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | M Brengle | 6 | 6 | | | | | | | | | | | | | | |
| | S Yamalapalli | 0 | 2 | | 1 | M Brengle | 6 | 6 | | | | | | | | | |
| | J Svendsen | 4 | 6 | 7 | | J Svendsen | 3 | 3 | | | | | | | | | |
| | A Bozovic | 6 | 2 | 5 | | | | | 1 | M Brengle | 4 | 0$^r$ | | | | | |
| | L Hovde | 5 | 3 | | | | | | SR | M Stakusic | 6 | 2 | | | | | |
| SR | M Stakusic | 7 | 6 | | SR | M Stakusic | 6 | 6 | | | | | | | | | |
| | V Mboko | 6 | 6 | | | V Mboko | 4 | 3 | | | | | | | | | |
| 7 | M Zacarías | 2 | 2 | | | | | | | | | | | SR | M Stakusic | 6 | 6 |
| 3 | K Sebov | 6 | 6 | | | | | | | | | | | Q | E Douglas | 3 | 2 |
| Q | M Kozyreva | 3 | 3 | | 3 | K Sebov | 2 | 6$^3$ | | | | | | | | | |
| Q | E Douglas | 7 | 6 | | Q | E Douglas | 6 | 7$^8$ | | | | | | | | | |
| Q | L Ma | 5 | 2 | | | | | | Q | E Douglas | 6$^6$ | 6 | 6 | | | | |
| | J Aney | 6 | 3 | 4 | | | | | WC | J DeFalco | 7$^8$ | 4 | 3 | | | | |
| WC | J DeFalco | 3 | 6 | 6 | WC | J DeFalco | 6 | 6 | | | | | | | | | |
| | J Loeb | 3 | 4 | | 5 | L Sun | 3 | 4 | | | | | | | | | |
| 5 | L Sun | 6 | 6 | | | | | | | | | | | | | | |

### Bottom 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 |
| 8 | M Jones | 6$^1$ | 3 | | | | | | | | | | | | | | |
| | V Hu | 7$^7$ | 6 | | V Hu | 7$^8$ | 6 | | | | | | | | | | |
| Q | M Partaud | 2 | 3 | Q | H Poznikhirenko | 6$^2$ | 1 | | | | | | | | | | |
| Q | H Poznikhirenko | 6 | 6 | | | | | | | V Hu | 1 | 0 | | | | | |
| WC | C Ngounoue | 2 | 2 | | | | | | 4 | E Jacquemot | 6 | 6 | | | | | |
| | S Chang | 6 | 6 | | S Chang | 7 | 6$^3$ | 5 | | | | | | | | | |
| | H Chang | 6$^8$ | 1 | 4 | E Jacquemot | 5 | 7$^7$ | 7 | | | | | | | | | |
| 4 | E Jacquemot | 7$^{10}$ | 6 | | | | | | | | | | | 4 | E Jacquemot | 6$^5$ | 2 |
| 6 | T Prozorova | 6 | 6 | | | | | | | | | | | Q | A Kiick | 7$^7$ | 6 |
| WC | H Giavara | 3 | 3 | 6 | T Prozorova | 6 | 7$^7$ | | | | | | | | | | |
| | M Kessler | 7$^8$ | 6 | | M Kessler | 2 | 6$^3$ | | | | | | | | | | |
| WC | A Noel | 6$^6$ | 2 | | | | | | 6 | T Prozorova | 6 | 3 | 6$^3$ | | | | |
| Q | K McKenzie | 2 | 2 | | | | | | Q | A Kiick | 2 | 6 | 7$^7$ | | | | |
| Q | JL Alsola | 6 | 6 | Q | JL Alsola | 4 | 2 | | | | | | | | | | |
| Q | A Kiick | 6 | 6 | Q | A Kiick | 6 | 6 | | | | | | | | | | |
| 2 | K Volynets | 2 | 3 | | | | | | | | | | | | | | |