Head to head
2
Hard
4
2
Clay
0
1
Grass
2
1
Carpet
2
Jan Kodes's wins on the left · Stan Smith's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (14)
| 1977 | Stockholm | Hard | R16 | Stan Smith | 6-1 4-6 6-4 |
| 1974 | WCT Finals | Carpet | 3rd/4th | Stan Smith | 6-4 7-6(5) |
| 1973 | US Open | Grass | SF | Jan Kodes | 7-5 6-7 1-6 6-1 7-5 |
| 1972 | Masters | Hard | RR | Stan Smith | 6-1 6-0 |
| 1972 | Paris | Hard | SF | Stan Smith | 6-2 6-4 6-1 |
| 1972 | Wimbledon | Grass | SF | Stan Smith | 3-6 6-4 6-1 7-5 |
| 1972 | Nice | Clay | SF | Jan Kodes | 6-4 2-6 6-2 6-2 |
| 1971 | Masters | Hard | RR | Jan Kodes | 6-4 3-6 6-4 |
| 1971 | US Open | Grass | F | Stan Smith | 3-6 6-3 6-2 7-6 |
| 1970 | Masters | Carpet | RR | Stan Smith | 6-3 6-5 |
| 1970 | Denver | Hard | Fs | Jan Kodes | 6-4 |
| 1970 | Berkeley | Hard | QF | Stan Smith | 6-2 6-4 |
| 1970 | Cincinnati | Clay | QF | Jan Kodes | 6-3 0-6 6-2 |
| 1969 | Philadelphia | Carpet | R16 | Jan Kodes | 6-2 2-6 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.