Head to head
0
Hard
2
1
Clay
2
Ion Tiriac's wins on the left · Stan Smith's on the right · bar lengths share one scale
All meetings (5)
| 1972 | Davis Cup WG F: ROU vs USA | Clay | RR | Stan Smith | 4-6 6-2 6-4 2-6 6-0 |
| 1971 | Davis Cup WG CR: USA vs ROU | Clay | RR | Stan Smith | 8-6 6-3 6-0 |
| 1970 | Washington | Clay | QF | Ion Tiriac | 6-3 10-12 6-2 |
| 1969 | Denver | Hard | RR | Stan Smith | 6-2 |
| 1969 | Davis Cup WG CR: USA vs ROU | Hard | RR | Stan Smith | 6-8 6-3 5-7 6-4 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.