Head to head
Rivalry summary
Gustavo Castillo and Terry Ryan met 1 times on the ATP tour between 1969 and 1969. Terry Ryan leads the head-to-head 1–0 against Gustavo Castillo.
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Clay
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Gustavo Castillo's wins on the left · Terry Ryan's on the right · bar lengths share one scale
All meetings (1)
| 1969 | Washington | Clay | R64 | Terry Ryan | 2-6 6-2 6-3 |
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.