Head to head
0
Hard
1
0
Clay
2
1
Carpet
1
Ion Tiriac's wins on the left · Frank Froehling's on the right · bar lengths share one scale
All meetings (5)
| 1973 | Roland Garros | Clay | R64 | Frank Froehling | 7-6 7-6 |
| 1972 | Stockholm | Hard | R32 | Frank Froehling | 6-4 7-6 |
| 1972 | Omaha | Carpet | R16 | Ion Tiriac | 6-4 6-4 |
| 1971 | Davis Cup WG CR: USA vs ROU | Clay | RR | Frank Froehling | 3-6 1-6 6-1 6-3 8-6 |
| 1971 | Omaha | Carpet | R16 | Frank Froehling | 6-1 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.