1979 Wimbledon Championships – Girls' singles
# 1979 Wimbledon Championships – Girls' singles

Mary-Lou Piatek defeated Alycia Moulton in the final, 6–1, 6–3 to win the girls' singles tennis title at the 1979 Wimbledon Championships.

## Seeds

    01. Andrea Jaeger (quarterfinals)
    02. Lena Sandin (third round)
    03. Mary-Lou Piatek (champion)
    04. Linda Siegel (second round)
    05. Alycia Moulton (final)
    06. Helga Lütten (quarterfinals)
    07. Susan Leo (semifinals)
    08. Claudia Kohde (third round)

Click on the seed number of a player to go to their draw section.

## 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 | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | Andrea Jaeger | 4 | 4 | | | | | | | | |
| | Isabelle Villiger | 6 | 6 | | | | | | | | |
| | Isabelle Villiger | 6 | 6 | | Isabelle Villiger | 4 | 3 | | | | |
| | | | | 5 | Alycia Moulton | 6 | 6 | | | | |
| 5 | Alycia Moulton | 6 | 6 | 5 | Alycia Moulton | 6 | 6 | | | | |
| | Renata Šašak | 0 | 2 | | | | | | | | |
| | Renata Šašak | 0 | 2 | | | | | 5 | Alycia Moulton | 1 | 3 |
| | | | | | | | | 3 | Mary-Lou Piatek | 6 | 6 |
| 3 | Mary-Lou Piatek | 6 | 6 | | | | | | | | | 3 | Mary-Lou Piatek | 6 | 6 |
| 6 | Helga Lütten | 4 | 2 | | | | | | | | |
| 6 | Helga Lütten | 4 | 2 | 3 | Mary-Lou Piatek | 6 | 6 | | | | |
| | | | | 7 | Susan Leo | 3 | 2 | | | | |
| 7 | Susan Leo | 6 | 6 | 7 | Susan Leo | 3 | 2 | | | | |
| | Barbara Rossi | 4 | 2 | | | | | | | | |

### Top half

**Section 1**

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| | | | | 1 | Andrea Jaeger | 7 | 6 | | | | | | | | |
| | | | | | Andrea Pesak | 5 | 4 | | | | | | | | |
| | | | | | | | | 1 | A Jaeger | 6 | 6 | | | | |
| | | | | | | | | | E Jones | 4 | 2 | | | | |
| | | | | | Jennifer Mundel | 4 | 3 | | | | | | | | |
| | | | | | Elizabeth Jones | 6 | 6 | | | | | | | | |
| | | | | | | | | | | | | 1 | A Jaeger | 4 | 4 |
| 8 | Claudia Kohde | 6 | 6 | | | | | | | | | | I Villiger | 6 | 6 |
| | M Perera | 1 | 0 | 8 | C Kohde | 6 | 6 | | | | | | | | |
| | | | | | Arlene Rolleston | 2 | 0 | | | | | | | | |
| | | | | | | | | 8 | C Kohde | 5 | 2 | | | | |
| | Patricia Hy | 1 | 1 | | | | | | I Villiger | 7 | 6 | | | | |
| | Julie Walpole | 6 | 6 | | J Walpole | 1 | 4 | | | | | | | | |
| | | | | | Isabelle Villiger | 6 | 6 | | | | | | | | |

**Section 2**

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| | | | | 5 | Alycia Moulton | 6 | 6 | | | | | | | | | |
| Caroline Franch | 6 | 6 | | | C Franch | 0 | 3 | | | | | | | | | |
| Anu Peshawaria | 2 | 0 | | | | | | | 5 | A Moulton | 6 | 6 | | | | |
| | | | | | | | | | | L Jacobsson | 3 | 2 | | | | |
| | | | | | Lena Jacobsson | 6 | 7 | | | | | | | | | |
| | | | | | Denise Taylor | 2 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | 5 | A Moulton | 6 | 6 |
| | | | | | | | | | | | | | | R Šašak | 0 | 2 |
| | | | | 4 | Linda Siegel | 6 | 4 | 5 | | | | | | | | |
| | | | | | Renata Šašak | 3 | 6 | 7 | | | | | | | | |
| | | | | | | | | | | R Šašak | 6 | 6 | | | | |
| | | | | | | | | | | K Dewis | 2 | 2 | | | | |
| | | | | | Kim Soo-ok | 4 | 3 | | | | | | | | | |
| Dorota Dziekońska | 3 | 6 | 3 | | K Dewis | 6 | 6 | | | | | | | | | |
| Karen Dewis | 6 | 4 | 6 | | | | | | | | | | | | | |

### Bottom half

**Section 3**

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| | | | | | Susan Rollinson | 6 | 6 | | | | | | | | | | |
| Nicole Mabille | 6 | 4 | 0 | | P Ojala | 3 | 0 | | | | | | | | | | |
| Pirjo Ojala | 3 | 6 | 6 | | | | | | | S Rollinson | 6 | 2 | 2 | | | | |
| | | | | | | | | | 3 | M-L Piatek | 1 | 6 | 6 | | | | |
| | | | | | Debbie Freeman | 3 | 3 | | | | | | | | | | |
| | | | | 3 | Mary-Lou Piatek | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | 3 | M-L Piatek | 6 | 6 |
| | | | | | | | | | | | | | | 6 | H Lütten | 4 | 2 |
| | | | | | Lisa Pennington | 6 | 3 | 7 | | | | | | | | | |
| Beverly Corbie | 2 | 4 | | | J Reardon | 4 | 6 | 9 | | | | | | | | | |
| Jackie Reardon | 6 | 6 | | | | | | | | J Reardon | 3 | 5 | | | | | |
| | | | | | | | | | | H Lütten | 6 | 7 | | | | | |
| | | | | | Mahmuda Jafarey | w/o | | | | | | | | | | | |
| | | | | 6 | Helga Lütten | | | | | | | | | | | | |

**Section 4**

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| | | | | | Sonia Davies | 7 | 3 | 7 | | | | | | | | | |
| | Pia Tamayo | 6 | 6 | | P Tamayo | 6 | 6 | 5 | | | | | | | | | |
| | Heidi-Beate Christiansen | 2 | 1 | | | | | | | S Davies | 1 | 1 | | | | | |
| | | | | | | | | | 7 | S Leo | 6 | 6 | | | | | |
| | | | | | Cláudia Monteiro | 1 | 6 | | | | | | | | | | |
| | Helen Degiorgio | 1 | 1 | 7 | S Leo | 6 | 7 | | | | | | | | | | |
| 7 | Susan Leo | 6 | 6 | | | | | | | | | | | 7 | S Leo | 6 | 6 |
| | | | | | | | | | | | | | | | B Rossi | 4 | 2 |
| | | | | | Yasuko Kabuto | 2 | 1 | | | | | | | | | | |
| | | | | | Barbara Rossi | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | B Rossi | 3 | 6 | 6 | | | | |
| | | | | | | | | | 2 | L Sandin | 6 | 4 | 3 | | | | |
| | | | | | Tina Sawyer | 1 | 2 | | | | | | | | | | |
| | | | | 2 | L Sandin | 6 | 6 | | | | | | | | | | |
