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:
| Tournament | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Australian Open | A | LQ | A | A | A | 4R | NH | 3R | 3R | 1R | 3R | A | 1R | A | 2R | A | A |
| French Open | 1R | 1R | 1R | 2R | 2R | QF | SF | 1R | F | A | QF | 2R | SF | 1R | 1R | A | 1R |
| Wimbledon | LQ | 2R | 1R | 2R | A | QF | SF | QF | 4R | A | 2R | 3R | 3R | 4R | 1R | 1R | A |
| US Open | A | A | 1R | A | 3R | 4R | QF | 4R | 3R | A | 2R | A | 3R | 1R | A | A | A |
| Win–Loss | 0–1 | 1–2 | 0–3 | 2–2 | 3–2 | 13–4 | 14–3 | 8–4 | 13–4 | 0–1 | 8–4 | 3–2 | 9–4 | 3–3 | 1–3 | 0–1 | 0–1 |
Question:
What is the 1988 value when the 1987 value was 1r?
Answer:
F