| British Open Squash Championships | |
| Number: | 45 |
| Series: | Women's British Open Championships |
| Location: | London, England |
| Venue: | BP Club, Lower Sydenham |
| Prevseason: | 1972 |
| Nextseason: | 1974 |
The 1973 Women's Open Squash Championships was held at the BP Club in Lower Sydenham, London from 2–8 March 1973. Heather McKay (née Blundell) won her twelfth consecutive title defeating Cecilie Fleming in the final. The final match lasted just sixteen minutes as McKay once again continued to easily outplay all opposition.[1] [2]
| width=270 | Player one | width=270 | Player two | width=150 | Score |
|---|---|---|---|---|---|
 Heather McKay (née Blundell) | bye | ||||
| Susanne Newman | bye | ||||
 Cecilie Fleming | S B Groves | 9-2 9-0 9-2 | |||
| Jane Barham | M Clemens | 9-3 9-0 9-1 | |||
| Pamela Buckingham | J L Rafter | 9-0 9-0 9-0 | |||
| Jenny Webster | Brenda Carmichael | 4-9 9-6 3-9 9-0 9-1 | |||
| Ingrid Potgieter | Karen Gardner | 9-3 9-4 9-6 | |||
| Claire Chapman | bye | ||||
| Dianne Corbett |  Rukshana Rashid | 9-2 9-3 9-3 | |||
| Fran Marshall | M Scott-Miller | 9-4 9-3 9-0 | |||
| Jenny Grieve | Gillian Finch | 9-3 9-0 9-0 | |||
| Sue Pexman | J Chamberlain | w/o | |||
| Jane Poynder | S Findlay | w/o | |||
| Jean Wilson | Ann Price | w/o | |||
 Joyce Maycock | 9-2 9-10 9-7 9-5 | ||||
| Sue Cogswell | C R Bourdon | 9-1 9-0 9-2 | |||
| Bobs Whitehead | Barbara Diggens | 9-2 6-9 8-9 10-8 9-0 | |||
| Ruth Turner | Ann Jee | 2-9 9-7 9-6 9-3 | |||
| Di Fuller | Lesley Moore | 9-5 9-4 9-5 | |||
| Theo Veltman | Soraya Haye | 9-6 9-2 10-8 | |||
| Peggy Mason | B Kirk | w/o | |||
| Janet Ledger | J Pallister | 10-8 9-6 9-5 | |||
| Tessa Lawrence | M Brodie | 1-9 9-3 9-3 9-1 | |||
| S Dunford | M D Furness | 9-3 9-5 9-7 | |||
| Valerie Bridgens | A M Sinclair | 9-5 9-5 9-0 | |||
| bye | |||||
| Clair Richards | bye | ||||
| Denise Holton | bye | ||||
| Janet Ward | bye | ||||
| Teresa Lawes | bye | ||||
| E Davies | bye |
| width=170 | Player one | width=170 | Player two | width=150 | Score |
|---|---|---|---|---|---|
| McKay | Davies | 9-0 9-3 9-0 | |||
| Newman | Ward | w/o | |||
| Fleming | Lawrence | 10-8 9-4 9-1 | |||
| Buckingham | Pexman | 9-3 10-8 9-1 | |||
| Webster | Richards | 9-0 9-0 9-0 | |||
| Potgieter | Bridgens | 9-7 9-4 9-3 | |||
| Marshall | Turner | 9-3 9-4 9-2 | |||
| Holton | Lawes | 9-6 9-0 7-9 9-7 |
| width=170 | Player one | width=170 | Player two | width=150 | Score |
|---|---|---|---|---|---|
| McKay | Wainwright | 9-0 9-0 9-1 | |||
| Fleming | Wilson | 9-2 3-9 9-4 9-2 | |||
| Newman | Holton | 9-4 9-7 9-3 | |||
| Barham | Grieve | 8-10 9-1 9-4 9-0 | |||
| Buckingham | Cogswell | 9-2 9-4 9-3 | |||
| Webster | Veltman | 9-3 9-3 10-9 | |||
| Potgieter | Cowie | 9-4 9-3 7-9 9-7 | |||
| Marshall | Chapman | 9-0 9-3 0-9 4-9 10-8 |
| width=170 | Player one | width=170 | Player two | width=150 | Score |
|---|---|---|---|---|---|
| McKay | Marshall | 9-0 9-1 9-3 | |||
| Fleming | Webster | 9-2 4-9 1-9 9-1 9-3 | |||
| Newman | Potgieter | 9-10 9-5 9-1 3-9 9-2 | |||
| Buckingham | Barham | 9-6 9-4 8-10 9-1 |
| width=170 | Player one | width=170 | Player two | width=150 | Score |
|---|---|---|---|---|---|
| McKay | Buckingham | 9-2 9-0 9-0 | |||
| Fleming | Newman | 1-9 7-9 9-7 9-2 10-8 |
| width=170 | Player one | width=170 | Player two | width=150 | Score |
|---|---|---|---|---|---|
| Newman | Buckingham | 9-5 9-2 9-5 |
| width=170 | Player one | width=170 | Player two | width=150 | Score |
|---|---|---|---|---|---|
| McKay | Fleming | 9-1 9-0 9-1 |