John McEnroe defeated Nicklas Kulti 6-1 6-4 in the Grand Slam Cup round of 16 on carpet. John McEnroe extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-05-25 | Roland Garros | R128 | clay | Nicklas Kulti | 6-2 7-5 6-7(5) 7-5 |
| 1990-09-24 | Basel | R16 | hard | John McEnroe | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.