Head to head
1
Clay
1
0
Grass
1
Antonio Zugarelli's wins on the left · John Feaver's on the right · bar lengths share one scale
All meetings (3)
| 1977 | Florence | Clay | R32 | John Feaver | 2-6 7-5 1-0 RET |
| 1976 | Roland Garros | Clay | R128 | Antonio Zugarelli | 0-6 1-6 6-2 6-3 6-4 |
| 1973 | Nottingham | Grass | R64 | John Feaver | 2-6 6-3 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.