Player stats
| Stat | John McEnroe (W) | Heinz Gunthardt (L) |
|---|---|---|
| Seed | #2 | - |
| Rank at event | #6 | #64 |
| Ranking points | - | - |
| Country | USA | SUI |
| Hand | L | R |
| Age | 19.6 | 19.7 |
| Height (cm) | 180 | 180 |
| Serve stats | ||
| Aces | 0 | 0 |
| Double faults | 0 | 0 |
| Service points | 0 | 0 |
| 1st serve in | - | - |
| 1st serve won | - | - |
| 2nd serve won | - | - |
| Service games | 0 | 0 |
| Break points saved | 0 / 0 | 0 / 0 |