Head to head
0
Hard
1
1
Clay
1
Marty Riessen's wins on the left · Ion Tiriac's on the right · bar lengths share one scale
All meetings (3)
| 1969 | Stockholm | Hard | R16 | Ion Tiriac | 6-8 6-3 6-4 |
| 1968 | Reggio Calabria | Clay | SF | Marty Riessen | 6-0 6-2 |
| 1968 | Palermo | Clay | F | Ion Tiriac | 8-6 6-0 1-6 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.