Most Finals
Champion or runner-up finishes. 2 players share this record.
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Billie Jean King 1 final
Billie Jean King won the 1977 San Juan, defeating Janet Newberry 6-1 6-3 in the final. The WTA 250 event was played October 24–30 on hard courts in San Juan, Puerto Rico.
Full tournament history →Historical categories use documented modern equivalents where available; unresolved editions keep their recorded category. Mapping details.
The leading Open Era records for San Juan.
Champion or runner-up finishes. 2 players share this record.
Recorded main-draw match wins.
Editions with a recorded main-draw match. 5 players share this record.
View the full San Juan record book →
Open Era main-draw singles records from 1968 onward. Ranking records begin where reliable entering rankings are available.
| Winner | Score | Runner-up | H2H | Match Data | Season | Surface |
|---|---|---|---|---|---|---|
| Billie Jean King | 6-1 6-3 | Janet Newberry | H2H | Match data | 1977 | Hard |
View full tournament history →