Head to head
1
Hard
0
3
Clay
1
2
Grass
1
John Newcombe's wins on the left · Jan Kodes's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (8)
| 1976 | Rome-2 | Clay | QF | John Newcombe | 6-3 6-4 |
| 1973 | Masters | Hard | RR | John Newcombe | 6-4 6-1 |
| 1973 | Davis Cup EUR SF: AUS vs TCH | Grass | RR | John Newcombe | 6-2 6-2 6-4 |
| 1973 | US Open | Grass | F | John Newcombe | 6-4 1-6 4-6 6-2 6-3 |
| 1971 | US Open | Grass | R128 | Jan Kodes | 2-6 7-6 7-6 6-3 |
| 1971 | Rome WCT | Clay | QF | Jan Kodes | 2-6 6-1 7-5 |
| 1969 | Roland Garros | Clay | R16 | John Newcombe | 6-1 6-4 0-6 8-10 11-9 |
| 1969 | Rome | Clay | SF | John Newcombe | 6-3 4-6 6-1 7-9 6-3 |
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.