Head to head
2
Hard
0
1
Clay
0
2
Carpet
0
Stan Smith's wins on the left · Thomaz Koch's on the right · bar lengths share one scale
All meetings (5)
| 1975 | Washington-2 | Clay | R64 | Stan Smith | 7-6 6-1 |
| 1970 | Los Angeles-2 | Hard | R16 | Stan Smith | 6-3 6-4 |
| 1970 | Hampton | Carpet | F | Stan Smith | 6-3 6-2 7-5 |
| 1969 | Berkeley | Hard | SF | Stan Smith | 9-7 10-8 |
| 1969 | Dallas | Carpet | F | Stan Smith | 6-3 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.