| Lagos Open | |
| Type: | defunct |
| Founded: | 1976 |
| Ended: | 1991 |
| Event Name: | Lagos WCT (1976) Lagos Open (1978–80) Lagos Challenger(1981, 1983, 1985–87, 1989, 1991) |
| Location: | Lagos, Nigeria |
| Tour: | WCT circuit (1976) Grand Prix circuit (1978–80) Challenger circuit (1981, 1983, 1985–87, 1989, 1991) |
| Surface: | Clay (1976, 1978–80) Hard (1981, 1983, 1985–87, 1989, 1991) |
The Lagos Open is a defunct WCT, Grand Prix and Challenger affiliated tennis tournament played from 1976 to 1991. It was held in Lagos in Nigeria and played on outdoor clay courts from 1976 to 1980, then on outdoor hard courts from 1981 to 1991.
Nduka Odizor and Paul Haarhuis were the most successful players at the event, each winning the singles competition twice.
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| 1976 |  Arthur Ashe | 6–3, 6–2 | ||
| 1977 | Not held | |||
| 1978 |  Robin Drysdale | 9–8, 6–3 | ||
| 1979 |  Peter Feigl | 6–4, 3–6, 6–2 | ||
| 1980 |  Harry Fritz | 6–2, 6–3, 6–2 | ||
| 1981 | Peter Feigl | 5–7, 6–3, 6–0 | ||
| 1982 | Not held | |||
| 1983 | Michiel Schapers | 6–3, 4–6, 11–9 | ||
| 1984 | Not held | |||
| 1985 | Thomas Muster | 6–3, 6–2 | ||
| 1986 | Marcel Freeman | 6–2, 6–3 | ||
| 1987 | Nduka Odizor | 6–4, 6–4 | ||
| 1988 | Not held | |||
| 1989 | Karel Nováček | 4–6, 7–6, 6–4 | ||
| 1990 | Not held | |||
| 1991 | T. J. Middleton | 6–3, 6–3 |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| 1976 | Not completed | |||
| 1977 | Not held | |||
| 1978 | 6–3, 3–6, 7–5 | |||
| 1979 | 6–4, 6–7, 6–3 | |||
| 1980 | 6–3, 0–6, 6–3 | |||
| 1981 | 6–2, 3–6, 6–3 | |||
| 1982 | Not held | |||
| 1983 | 6–3, 3–6, 6–3 | |||
| 1984 | Not held | |||
| 1985 | 6–4, 6–4 | |||
| 1986 | 4–6, 7–6, 6–4 | |||
| 1987 | 6–7, 6–2, 7–6 | |||
| 1988 | Not held | |||
| 1989 | 6–7, 7–6, 7–5 | |||
| 1990 | Not held | |||
| 1991 | 7–5, 6–1 |