Head to head
5
Hard
9
2
Clay
5
1
Grass
1
8
Carpet
6
John McEnroe's wins on the left · Ivan Lendl's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (37)
| 1992 | Canada Masters | Hard | QF | Ivan Lendl | 6-2 6-4 |
| 1991 | Long Island | Hard | SF | Ivan Lendl | 6-3 7-5 |
| 1990 | Queen's Club | Grass | SF | Ivan Lendl | 6-2 6-4 |
| 1990 | Toronto-1 | Carpet | SF | Ivan Lendl | 6-3 6-2 |
| 1989 | Masters | Carpet | RR | Ivan Lendl | 6-3 6-3 |
| 1989 | Montreal | Hard | F | Ivan Lendl | 6-1 6-3 |
| 1989 | WCT Finals | Carpet | SF | John McEnroe | 6-7 7-6 6-2 7-5 |
| 1989 | Australian Open | Hard | QF | Ivan Lendl | 7-6 6-2 7-6 |
| 1988 | Roland Garros | Clay | R16 | Ivan Lendl | 6-7 7-6 6-4 6-4 |
| 1987 | US Open | Hard | QF | Ivan Lendl | 6-3 6-3 6-4 |
| 1987 | Stratton Mountain | Hard | F | John McEnroe | 7-6 1-4 WEA |
| 1985 | US Open | Hard | F | Ivan Lendl | 7-6 6-3 6-4 |
| 1985 | Montreal | Hard | F | John McEnroe | 7-5 6-3 |
| 1985 | Stratton Mountain | Hard | F | John McEnroe | 7-6 6-2 |
| 1985 | World Team Cup | Clay | F | Ivan Lendl | 6-7 7-6 6-3 |
| 1985 | Forest Hills | Clay | F | Ivan Lendl | 6-3 6-3 |
| 1985 | Masters | Carpet | F | John McEnroe | 7-5 6-0 6-4 |
| 1984 | US Open | Hard | F | John McEnroe | 6-3 6-4 6-1 |
| 1984 | Roland Garros | Clay | F | Ivan Lendl | 3-6 2-6 6-4 7-5 7-5 |
| 1984 | World Team Cup | Clay | F | John McEnroe | 6-3 6-2 |
| 1984 | Forest Hills WCT | Clay | F | John McEnroe | 6-4 6-2 |
| 1984 | Brussels | Carpet | F | John McEnroe | 6-1 6-3 |
| 1984 | Philadelphia | Carpet | F | John McEnroe | 6-3 3-6 6-3 7-6 |
| 1984 | Masters | Carpet | F | John McEnroe | 6-3 6-4 6-4 |
| 1983 | San Francisco | Carpet | F | Ivan Lendl | 3-6 7-6 6-4 |
| 1983 | Wimbledon | Grass | SF | John McEnroe | 7-6 6-4 6-4 |
| 1983 | WCT Finals | Carpet | F | John McEnroe | 6-2 4-6 6-3 6-7 7-6 |
| 1983 | Philadelphia | Carpet | F | John McEnroe | 4-6 7-6 6-4 6-3 |
| 1983 | Masters | Carpet | F | Ivan Lendl | 6-4 6-4 6-2 |
| 1982 | US Open | Hard | SF | Ivan Lendl | 6-4 6-4 7-6 |
| 1982 | Toronto | Hard | SF | Ivan Lendl | 6-4 6-4 |
| 1982 | WCT Finals | Carpet | F | Ivan Lendl | 6-2 3-6 6-3 6-3 |
| 1982 | Masters | Carpet | SF | Ivan Lendl | 6-4 6-2 |
| 1981 | Davis Cup WG QF: USA vs TCH | Hard | RR | Ivan Lendl | 6-4 14-12 7-5 |
| 1981 | Roland Garros | Clay | QF | Ivan Lendl | 6-4 6-4 7-5 |
| 1980 | US Open | Hard | QF | John McEnroe | 4-6 6-3 6-2 7-5 |
| 1980 | Milan WCT | Carpet | SF | John McEnroe | 6-3 1-6 6-2 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.