Head to head
1
Clay
1
Paul Kronk's wins on the left · Antonio Zugarelli's on the right · bar lengths share one scale
All meetings (2)
| 1976 | Tehran | Clay | R16 | Antonio Zugarelli | 6-1 4-6 6-3 |
| 1973 | Florence | Clay | R32 | Paul Kronk | 6-1 6-1 |
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.