Match log updated: 2026-08-16 12:19 UTC
Guillermo Castanon — ATP Match Log
1 main-draw matches · 0–1 · 0.0% wins
| Opponent | Score | Result | H2H | Match Data | Date ↑ | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Fernando Gentil | 6-2 3-6 3-6 | L | — | Match data | Apr 18, 1968* | R32 | Madrid | ATP 250 | Clay |
Estimated from the tournament schedule where an exact match date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Mapping details.