Head to head
0
Hard
1
1
Carpet
0
Ion Tiriac's wins on the left · Paul Gerken's on the right · bar lengths share one scale
All meetings (2)
| 1973 | Charleston | Carpet | R16 | Ion Tiriac | 7-6 2-6 6-0 |
| 1973 | Salt Lake City | Hard | R16 | Paul Gerken | 4-6 6-2 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.