Head to head
0
Hard
1
4
Clay
2
0
Grass
1
1
Carpet
0
Ivan Lendl's wins on the left · Peter McNamara's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (9)
| 1983 | Brussels | Hard | F | Peter McNamara | 6-4 4-6 7-6 |
| 1982 | Frankfurt | Carpet | F | Ivan Lendl | 6-2 6-2 |
| 1982 | Delray Beach WCT | Clay | F | Ivan Lendl | 6-4 4-6 6-4 7-5 |
| 1981 | Stuttgart-2 | Clay | SF | Ivan Lendl | 6-2 2-6 6-4 |
| 1981 | Roland Garros | Clay | R16 | Ivan Lendl | 6-2 4-6 7-6 7-6 |
| 1981 | Nations Cup | Clay | F | Peter McNamara | 6-3 6-4 |
| 1980 | Kitzbuhel | Clay | SF | Ivan Lendl | 6-7 6-3 6-4 |
| 1979 | Wimbledon | Grass | R128 | Peter McNamara | 6-3 6-2 6-3 |
| 1979 | Berlin | Clay | QF | Peter McNamara | 4-6 6-2 6-4 |
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.