The Lion's Cup (named the Emeron Cup in its first two years) was a WTA Tour tennis tournament held from 1978 until 1985, in Tokyo, Japan. The event was held on indoor hard courts in 1978 and 1979 before moving to indoor carpet courts. Only a singles event was contested.
| Date | Winner | Finalist | Score | |
|---|---|---|---|---|
| 11 December 1978 | 7–5, 6–2 | |||
| 10 December 1979 | 6–2, 6–1 | |||
| 17 November 1980 | 6–4, 6–3 | |||
| 16 November 1981 | 6–3, 6–2 | |||
| 15 November 1982 | 6–3, 6–2 | |||
| 21 November 1983 | 6–2, 6–2 | |||
| 12 November 1984 | 6–1, 1–6, 6–4 | |||
| 11 November 1985 | 7–5, 6–0 |