Head to head
1
Clay
2
1
Carpet
0
Jan Kodes's wins on the left · Allan Stone's on the right · bar lengths share one scale
All meetings (4)
| 1974 | Acapulco | Carpet | SF | Jan Kodes | 6-1 7-6 |
| 1971 | Hamburg | Clay | R16 | Jan Kodes | 6-4 6-1 7-5 |
| 1970 | Indianapolis | Clay | R16 | Allan Stone | 6-3 6-1 |
| 1970 | Bastad | Clay | R32 | Allan Stone | 6-4 6-4 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.