San Joaquin Challenge Cup

The San Joaquin Challenge Cup^[1] also called the Stockton Challenge Cup.^[2] was a men's and women's hard court tennis tournament founded in 1951.^[3] The tournament was organised by the Stockton Parks & Recreation Department in association with the Northern California Tennis Association and was played on outdoor hard courts at the Oak Park Tennis Center, Stockton, California, United States until 1978.^[4]

The event were part ILTF North America Circuit a sub circuit of the ILTF World Circuit until 1972 then became part of the ILTF Independent Tour until it was downgraded from the senior worldwide circuit.^[4]

In 1951 the San Joaquin Challenge Cup its official name,^[5] also known as the Stockton Challenge Cup was established at Stockton, California United States. In 1957 the edition was played in Stockton up to the semi finals stage in that location, but then the scheduled finals were delayed by three weeks and were played in Palo Alto.^[6] The tournament was organised by the Stockton Parks & Recreation Department and approved as an vent by the Northern California Tennis Association,^[4] and was played on outdoor hard courts at the Oak Park Tennis Center,^[7] Stockton, California, United States until 1978.^[4] The tournament ceased to be part of the senior ILTF North America Circuit in 1978, however the event in one form or another was still being held up to 2018 as the Stockton Challenge Cup Open.^[8]

(incomplete roll)

Year	Location	Winners	Runners-up	Score
↓  ILTF World Circuit  ↓
1955	Stockton	Tom Brown	Fred Hagist	6–1, 5–7, 6–4.[4]
1957	Palo Alto	Tom Brown (2)	Jack Frost	6–4, 6–3.[4]
1958	Stockton	Whitney Reed	Christopher Crawford	2–6, 6–3, 6–0.[4]
1960	Stockton	Butch Krikorian[9]	Bill Hoogs Jr.	6–2, 6–4.[4]
1962[2]	Stockton	Bill Hepner	William "Bill" G. Demas[10]	8–10, 6–3, 6–4.[4]
1964	Stockton	Jim McManus	Dean Penero[11]	7–5, 6–4.[4]
1965	Stockton	Eugene Cantin[12]	Jim McManus	1–6, 6–4, 6–2
1966	Stockton	Eugene Cantin (2)	Larry Riggs[13]	6–3, 6–3.[4]
1967[14]	Stockton	Tom Kiss[15]	Tom Muench	6–2, 7–5.[4]
1968[16]	Stockton	Eugene Cantin (3)	Roger Cooper	6–3, 6–2.[4]
↓  Open era  ↓
1969	Stockton	Jean-Loup Rouyer	Eugene Cantin	11–9, 6–3.[4]
1970	Stockton	Marcelo Lara	Eugene Cantin	6–8, 6–4, 6–3.[4]
1971	Stockton	Joaquín Loyo-Mayo	Alex Olmedo	8–6, 5–7, 8–6.[4]
1973	Stockton	Robyn Ray[17]	Bob Potthast[18]	3–6, 6–4, 7–6.[4]
↓  ILTF Independent Tour  ↓
1978[19]	Stockton	Dick Metz	Bill Harper	7–6, 5/1, 6–4.[4]
For the successor event see Stockton Challenger

(incomplete roll)

Year	Location	Winners	Runners-up	Score
↓  ILTF World Circuit  ↓
1955[5]	Stockton	Mary Ann Mitchell	Gertrude Easton	6–4, 6–0
1967[20]	Stockton	Susan Anawalt	Marlene Muench	6–2, 6–4
↓  Open era  ↓
1970	Stockton	Sharon Walsh	Barbara Downs	6–2, 6–3
1971	Stockton	Tory Ann Fretz	Karen Krantzcke	6–3, 5–7, 6–3
1973	Stockton	Kate Latham	Cathy Anderson	6–4, 6–2
For the successor event see Stockton Challenger