Head to head
Rivalry summary
Marty Riessen and Istvan Gulyas met 2 times on the ATP tour between 1968 and 1968. Marty Riessen leads the head-to-head 2–0 against Istvan Gulyas.
1
Hard
0
1
Clay
0
Marty Riessen's wins on the left · Istvan Gulyas's on the right · bar lengths share one scale
All meetings (2)
| 1968 | Curacao | Hard | SF | Marty Riessen | 6-0 6-4 |
| 1968 | Barranquilla | Clay | QF | Marty Riessen | 6-2 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.