Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Outcome | Date | Championship | Opponent in the final | Score in the final |
| --- | --- | --- | --- | --- |
| Runner-up | 23 July 1972 | Columbus, Ohio , U.S. | Jimmy Connors | 5–7, 3–6, 5–7 |
| Runner-up | 30 July 1972 | Tanglewood , USA | Bob Hewitt | 6–3, 3–6, 1–6 |
| Runner-up | 14 August 1972 | Montreal, Canada | Ilie Năstase | 4–6, 3–6 |
| Winner | 8 April 1974 | Monte Carlo , Monaco | Ilie Năstase | 5–7, 6–3, 6–4 |
| Winner | 15 April 1974 | Johannesburg , South Africa | John Alexander | 6–3, 7–5 |
| Runner-up | 28 October 1974 | Vienna, Austria | Vitas Gerulaitis | 4–6, 6–3, 3–6, 2–6 |
| Runner-up | 7 January 1976 | Columbus, Ohio, U.S. | Arthur Ashe | 6–3, 3–6, 6–7(4) |
| Runner-up | 8 February 1976 | Dayton, Ohio , U.S. | Jaime Fillol Sr. | 4–6, 7–6, 4–6 |
| Winner | 14 September 1977 | Laguna Niguel , U.S. | Colin Dibley | 2–6, 7–6, 6–4 |
| Winner | 27 November 1979 | Johannesburg, South Africa | Víctor Pecci | 2–6, 6–3, 6–2, 6–3 |
| Runner-up | 7 July 1980 | Newport, Rhode Island , U.S. | Vijay Amritraj | 1–6, 7–5, 3–6 |
Question:
Who was the opponent in the championship in Johannesburg, South Africa?
Answer:
John Alexander, Víctor Pecci