# 2024 Rancho Santa Fe Open – Singles

Yulia Starodubtseva was the defending champion but chose not to participate.
Iva Jovic won the title, defeating Ena Shibahara in the final; 6–3, 6–3.

## Seeds

* Maya Joint (quarterfinals)
* Rebecca Marino (quarterfinals)
* Ena Shibahara (final)
* Kayla Day (withdrew)
* Lanlana Tararudee (semifinals)
* Elizabeth Mandlik (first round)
* Gabriela Knutson (quarterfinals)
* Hanna Chang (second 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 |
| | Katherine Sebov | 1 | 3 | | | | |
| 3 | Ena Shibahara | 6 | 6 | | | | |
| 3 | Ena Shibahara | 6 | 6 | 3 | Ena Shibahara | 3 | 3 |
| | | | | | Iva Jovic | 6 | 6 |
| | Iva Jovic | 6 | 7 | | Iva Jovic | 6 | 6 |
| 5 | Lanlana Tararudee | 1 | 5 | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | M Joint | 6 | 6 | | | | | | | | | | | | | | |
| LL | T Kinard | 4 | 2 | | 1 | M Joint | 6 | 6 | | | | | | | | | |
| Q | R McAdoo | 4 | 5 | | | A Urhobo | 4 | 4 | | | | | | | | | |
| | A Urhobo | 6 | 7 | | | | | | | 1 | M Joint | 4 | 4 | | | | |
| WC | A Lopata | 3 | 3 | | | | | | | | K Sebov | 6 | 6 | | | | |
| | K Sebov | 6 | 6 | | | K Sebov | 6$^4$ | 6 | 6 | | | | | | | | |
| WC | J Pareja | 2 | 6 | 6 | WC | J Pareja | 7$^7$ | 1 | 3 | | | | | | | | |
| 6 | E Mandlik | 6 | 4 | 1 | | | | | | | | | | | K Sebov | 1 | 3 |
| 3 | E Shibahara | 6 | 6 | | | | | | | | | | | 3 | E Shibahara | 6 | 6 |
| Q | S Colling | 2 | 0 | | 3 | E Shibahara | 6 | 6 | | | | | | | | | |
| | D Radanović | 4 | 3 | | WC | A Penickova | 1 | 0 | | | | | | | | | |
| WC | A Penickova | 6 | 6 | | | | | | | 3 | E Shibahara | 7$^8$ | 6 | | | | |
| Q | L Davis | 6 | 6 | | | | | | | Q | L Davis | 6$^6$ | 3 | | | | |
| | L Chirico | 3 | 0 | | Q | L Davis | 6 | 6 | | | | | | | | | |
| | I Shymanovich | 1 | 6 | 3 | 8 | H Chang | 2 | 2 | | | | | | | | | |
| 8 | H Chang | 6 | 3 | 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 |
| 7 | G Knutson | 3 | 6 | 6 | | | | | | | | | | | | | |
| Q | H Giavara | 6 | 3 | 2 | 7 | G Knutson | 6 | 6 | | | | | | | | | |
| | K Scott | 6 | 4 | 3 | Q | C Campana | 3 | 0 | | | | | | | | | |
| Q | C Campana | 4 | 6 | 6 | | | | | | 7 | G Knutson | 1 | 2 | | | | |
| | I Jovic | 4 | 6 | 6 | | | | | | | I Jovic | 6 | 6 | | | | |
| | V Hu | 6 | 4 | 1 | | I Jovic | 6 | 6 | | | | | | | | | |
| | M Sieg | 6 | 5 | 6 | | M Sieg | 2 | 3 | | | | | | | | | |
| Q | L Mi | 3 | 7 | 2 | | | | | | | | | | | I Jovic | 6 | 7 |
| 5 | L Tararudee | 6 | 6 | | | | | | | | | | | 5 | L Tararudee | 1 | 5 |
| Q | G Price | 3 | 2 | | 5 | L Tararudee | 6 | 5 | 6 | | | | | | | | |
| WC | A Kratzer | 6 | 4 | 7 | WC | A Kratzer | 3 | 7 | 0 | | | | | | | | |
| | C Branstine | 4 | 6 | 5 | | | | | | 5 | L Tararudee | 6 | 6 | | | | |
| | E Kalieva | 1 | 7 | 7$^7$ | | | | | | 2 | R Marino | 4 | 2 | | | | |
| | K Kawa | 6 | 5 | 6$^5$ | | E Kalieva | 6$^3$ | 4 | | | | | | | | | |
| Q | K Evans | 3 | 4 | | 2 | R Marino | 7$^7$ | 6 | | | | | | | | | |
| 2 | R Marino | 6 | 6 | | | | | | | | | | | | | | |