| Singles | |
|---|---|
| 1983 World Championship Tennis Finals | |
| Champion |
|
| Runner-up |
|
| Final score | 6–2, 4–6, 6–3, 6–7, 7–6 |
Ivan Lendl was the defending champion but lost in the final 6–2, 4–6, 6–3, 6–7, 7–6 to John McEnroe.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.