Head to head
0
Hard
1
1
Clay
0
1
Grass
1
0
Carpet
1
Ion Tiriac's wins on the left · Tom Gorman's on the right · bar lengths share one scale
All meetings (5)
| 1974 | Vienna | Hard | R16 | Tom Gorman | 1-6 7-6 7-5 |
| 1972 | Davis Cup WG F: ROU vs USA | Clay | RR | Ion Tiriac | 4-6 2-6 6-4 6-3 6-2 |
| 1972 | Hampton | Carpet | R32 | Tom Gorman | 6-3 3-6 6-3 |
| 1971 | US Open | Grass | R128 | Ion Tiriac | 7-5 4-6 5-5 RET |
| 1971 | Wimbledon | Grass | R32 | Tom Gorman | 6-4 6-3 7-5 |
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.