2018 Wimbledon Championships – Wheelchair women's singles
# 2018 Wimbledon Championships – Wheelchair women's singles

Defending champion Diede de Groot defeated Aniek van Koot in the final, 6–3, 6–2 to win the ladies' singles wheelchair tennis title at the 2018 Wimbledon Championships. It was her first step towards a non-calendar-year Grand Slam.

## Seeds

* Diede de Groot (champion)
* Yui Kamiji (semifinals)

## 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | Diede de Groot | 6 | 6 | | | | | | | | | | |
| | Sabine Ellerbrock | 4 | 3 | | | | | | | | | | |
| | Sabine Ellerbrock | 4 | 3 | | 1 | Diede de Groot | 6 | 7 | | | | | |
| | | | | | WC | Kgothatso Montjane | 1 | 5 | | | | | |
| | Katharina Krüger | 3 | 6 | 1 | WC | Kgothatso Montjane | 1 | 5 | | | | | |
| WC | Kgothatso Montjane | 6 | 2 | 6 | | | | | | | | | |
| WC | Kgothatso Montjane | 6 | 2 | 6 | | | | | | 1 | Diede de Groot | 6 | 6 |
| | | | | | | | | | | | Aniek van Koot | 3 | 2 |
| | Lucy Shuker | 2 | 1 | | | | | | | | | | | Aniek van Koot | 3 | 2 |
| | Aniek van Koot | 6 | 6 | | | | | | | | | | |
| | Aniek van Koot | 6 | 6 | | | Aniek van Koot | 1 | 6 | $7^{13}$ | | | | |
| | | | | | 2 | Yui Kamiji | 6 | 4 | $6^{11}$ | | | | |
| | Marjolein Buis | 4 | 4 | | 2 | Yui Kamiji | 6 | 4 | $6^{11}$ | | | | |
| 2 | Yui Kamiji | 6 | 6 | | | | | | | | | | |
