Head to head
1
Hard
1
0
Grass
1
Jonathan Canter's wins on the left · Robert Seguso's on the right · bar lengths share one scale
All meetings (3)
| 1987 | Montreal | Hard | R64 | Robert Seguso | 6-3 6-1 |
| 1986 | Queen's Club | Grass | R64 | Robert Seguso | 7-6 7-6 |
| 1985 | US Open | Hard | R128 | Jonathan Canter | 4-6 6-4 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.