1980 World Championship Tennis Finals – Singles
| Singles | |
|---|---|
| 1980 World Championship Tennis Finals | |
| Champion |  Jimmy Connors |
| Runner-up | John McEnroe |
| Score | 2–6, 7–6, 6–1, 6–2 |
| Draw | 8 |
| Seeds | 2 |
John McEnroe was the defending champion but lost in the final 2–6, 7–6, 6–1, 6–2 to Jimmy Connors.
Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
- John McEnroe (final)
- Jimmy Connors (champion)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted
| Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | John McEnroe
| 6 | 6 | 6 | ||||||||||||||||||||||
.svg.png){kind=small} Heinz Günthardt
| 2 | 1 | 0 | |||||||||||||||||||||||
| 1 | John McEnroe
| 6 | 4 | 7 | 6 | |||||||||||||||||||||
.svg.png){kind=small} Johan Kriek
| 4 | 6 | 6 | 3 | ||||||||||||||||||||||
| Johan Kriek
| 7 | 6 | 7 | |||||||||||||||||||||||
| John Sadri
| 5 | 4 | 5 | |||||||||||||||||||||||
| 1 | John McEnroe
| 6 | 6 | 1 | 2 | |||||||||||||||||||||
| 2 | Jimmy Connors
| 2 | 7 | 6 | 6 | |||||||||||||||||||||
 Vijay Amritraj
| 4 | 1 | 3 | |||||||||||||||||||||||
 Ivan Lendl
| 6 | 6 | 6 | |||||||||||||||||||||||
| Ivan Lendl
| 4 | 5 | 3 | |||||||||||||||||||||||
| 2 | Jimmy Connors
| 6 | 7 | 6 | ||||||||||||||||||||||
| Bill Scanlon
| 6 | 6 | 4 | |||||||||||||||||||||||
| 2 | Jimmy Connors
| 7 | 7 | 6 | ||||||||||||||||||||||