The La Costa WCT was a men's tennis tournament played in La Costa, California, from 1973 to 1977. The event was part of the WCT Tour and was played on outdoor hard courts.

Finals

Singles

Year	Champions	Runners-up	Score
1973	Colin Dibley	Stan Smith	6–3, 7–6
1974	John Newcombe	Stan Smith	6–2, 4–6, 6–4
1975	Rod Laver	Allan Stone	6–2, 6–2
1976	Ilie Năstase	Jimmy Connors	4–6, 6–0, 6–1
1977	Brian Gottfried	Marty Riessen	6–3, 6–2

Doubles

Year	Champions	Runners-up	Score
1973	Roy Emerson Rod Laver	Nikola Pilić Allan Stone	6–7, 6–3, 6–4
1974	Clark Graebner Charlie Pasarell	Roy Emerson Dennis Ralston	6–4, 6–7, 7–5
1975	Brian Gottfried Raúl Ramírez	Charlie Pasarell Roscoe Tanner	7–5, 6–4
1976	Marty Riessen Roscoe Tanner	Peter Fleming Gene Mayer	7–6, 7–6
1977	Bob Hewitt Frew McMillan	Ray Ruffels Allan Stone	6–4, 6–2