Head to head
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Grass
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Terry Ryan's wins on the left · Robert McKinley's on the right · bar lengths share one scale
All meetings (2)
| 1972 | US Open | Grass | R256 | Robert McKinley | 3-6 7-5 7-6 6-3 |
| 1969 | Southampton | Grass | R16 | Terry Ryan | 6-2 11-9 |
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.