| Bio-Strath Circuit | |
| Type: | Defunct |
| Tour: | ILTF Grand Prix circuit, (1970–71) |
| Founded: | 1970 |
| Ended: | 1971 |
| Location: | Cardiff–Wales Birmingham–Midlands Droitwich–Midlands Edgbaston–Midlands Exmouth–South West Malvern–Midlands London–South East Lytham St Annes–North West Sheffield–South Yorkshire Stourbridge–Midlands Solihull–Midlands Wolverhampton–Midlands |
| Surface: | Clay Grass Hard |
The Bio-Strath Circuit [1] was a series tour of British tennis tournaments sponsored by the Swiss company Bio-Strath AG,[2] a producer natural food supplements for sports people from 1970 to 1971. The circuit usually began in mid spring in April and ended in late summer in early August.
The Bio-Strath tennis circuit was a series tour of British tennis tournaments that was sponsored by the Swiss company Bio-Strath AG.[3] the circuit was inaugurated in May 1970 with six Midland tournaments, and one South East tournament.[4] Each tournament being a particular leg on the circuit beginning with the 1st leg, that usually started around early April, and ending with the 10th and final leg around the first week of August. In 1971 the circuit was extended to include two new North West England tournaments at Lytham St Annes, and The Bio-Strath Northern at Manchester, one new tournament in South Yorkshire the Bio-Strath Sheffield Tournament at Sheffield,[5] another new event
Another new tournament was added for London the Bio-Strath Cumberland Hard Courts, In South Wales the Bio-Strath Cardiff tournament was added to the circuit, and another new event for North East England, the Bio-Strath Sunderland and Durham tournament The same year the Edgbaston tournament in the West Midlands was withdrawn, and replaced by the Bio-Strath Stourbridge tournament. In October 1971 Bio-Strath AG decided not to renew its sponsorship agreement with tournaments, due to disagreements of prize money and the circuit was discontinued.
1970 Bio Strath circuitThe Bio-Strath Circuit[6] was part of the 1970 British Tournament Season. It began on 4 May in Birmingham, West Midlands, England with the first leg being the Bio-Strath Tally Ho event, and ended on 8 August with the tenth and final being the Bio-Strath West Warwickshire Open at Solihull.[7]
| Leg | Tournament | Dates | ||||
|---|---|---|---|---|---|---|
| Men's Singles Winner | Men's Singles Finalist | Men's Doubles Winners | Men's Doubles Finalists | |||
| 1st. | Bio-Strath Tally Ho | May, 4–9.[8] |  Stanley Matthews | Julian Krinsky | ||
| 2nd. | May, 11–16.[9] | |||||
| 3rd. | May, 11–16.[10] | Bob Maud | Bob Maud Bobby Wilson | |||
| 4th. | May, 18–23.[11] |  Ian Bidmeade Bill Joiner | ||||
| 5th. | July, 6–11.[12] | |||||
| 6th. | July, 13–18.[13] | |||||
| 7th. | August, 3–8.[14] | Thompson Onibokun John Slater | ||||
| Leg | Tournament | Dates | ||||
|---|---|---|---|---|---|---|
| Women's Singles Winner | Women's Singles Finalist | Women's Doubles Winners | Women's Doubles Finalists | |||
| 1st. | Bio-Strath Tally Ho | May, 4–9.[15] | Janice Townsend |  Maria Guzman | Mrs. S.M. Northern María Guzmán | |
| 2nd. | May, 11–16.[16] | Sandra Walsham | Lesley Charles Janice Townsend | |||
| 3rd. | May, 11–16.[17] | Ann Jones | Mrs. G.M. Williams | Helen Gourlay / Pat Walkden | Ann Jones Mrs. G.M. Williams | |
| 4th. | May, 18–23.[18] | Sue Alexander | Kerry Melville Rita Bentley | Sue Alexander Sandra Walsham | ||
| 5th. | July, 6–11.[19] | |||||
| 6th. | July, 13–18.[20] | Sandra Walsham Sue Alexander | ||||
| 7th. | August, 3–8.[21] | Judy Congdon Sally Holdsworth | ||||
1971 Bio Strath circuitThe Bio-Strath Circuit was part of the 1971 British Tournament Season. The first leg of the circuit began on 9 April with the Bio-Strath Tally Ho event, and ended on 7 August with the thirteenth and final leg the Bio-Strath West Warwickshire Open at Solihull.
Incomplete roll
| Leg | Tournament | Dates | ||||
|---|---|---|---|---|---|---|
| Men's Singles Winner | Men's Singles Finalist | Men's Doubles Winners | Men's Doubles Finalists | |||
| 1st. | Bio-Strath Tally Ho | April 9–12.[22] | Kim Warwick | Donald Oliver | Colin Dibley Peter Doerner | Stanley Matthews Donald Oliver |
| 2nd. | Bio-Strath Cumberland | April 13–17. | ? | ? | ||
| 3rd. | April 20–24 | ? | ? | ? | ? | |
| 4th. | May 10–16. | ? | ? | |||
| 5th. | Bio-Strath Droitwich | May 11–16. | Peter Doerner | ? | ? | |
| 6th. | Bio-Strath Wolverhampton | May 18–23. | Peter Doerner | ? | ? | |
| 7th. | Bio-Strath St. Annes | May 25–30. | Kim Warwick | ? | ? | |
| 8th. | Bio-Strath Northern | May 31-June 5 | Frew McMillan | ? | ? | |
| 9th. | Bio-Strath Cardiff | May 31-June 5. | ? | ? | ||
| 10th. | Bio-Strath Malvern | July 5–10. | Stanley Matthews | ? | ? | |
| 11th. | Bio-Strath Sunderland and Durham | July 5–10. | Kim Warwick | ? | ? | |
| 12th. | Bio-Strath Stourbridge | July 26–31. | ? | ? | ||
| 13th. | August 2–7. | ? | ? | |||
Incomplete roll
| Leg | Tournament | Dates | ||||
|---|---|---|---|---|---|---|
| Women's Singles Winner | Women's Singles Finalist | Women's Doubles Winners | Women's Doubles Finalists | |||
| 1st. | Bio-Strath Tally Ho | April 9–12. | Janice Townsend | ? | ? | |
| 2nd. | Bio-Strath Cumberland | April 13–17. | Jill Cooper | Lesley Charles Wendy Slaughter | Vicki Lancaster Barbara Walsh | |
| 3rd. | April 20–24 | Lesley Charles |  Cecilie Fleming Sue Hole | Lesley Charles Wendy Slaugheter | ||
| 4th. | May 11–16. | |||||
| 5th. | Bio-Strath Droitwich | May 11–16. | ||||
| 6th. | Bio-Strath Wolverhampton | May 18–23. | Sue Alexander Sandra Walsham | |||
| 7th. | Bio-Strath St. Annes | May 25–30. | Sandra Walsham | Sue Alexander Sandra Walsham | ||
| 8th. | Bio-Strath Northern | May 31-June 5 |  Patti Hogan Nell Truman | |||
| 9th. | Bio-Strath Cardiff | May 31-June 5. | Janice Wainwright | J. Harris Andrée Martin | ||
| 10th. | Bio-Strath Malvern | July 5–10. | Janice Wainwright | ? | ? | |
| 11th. | Bio-Strath Sunderland and Durham | July 5–10. | Lesley Charles | |||
| 12th. | Bio-Strath Stourbridge | July 26–31. | Geraldine Barniville | |||
| 13th. | August 2–7. | Lindsay Beaven | Susan Alexander | R. Murphy Cynthia Sieler | ||