Table:
text: José Higueras
Career finals
Singles (16 titles, 12 runner-ups)
Outcome No_ Date_ Championship Surface Opponent_in_the_final Score_in_the_final_
Winner 10. 1982 Hamburg, Germany Clay Peter McNamara 4–6, 6–7, 7–6, 6–3, 7–6
Runner-up 10. 1982 North Conway, U.S. Clay Ivan Lendl 3–6, 2–6
Winner 11. 1982 Indianapolis, U.S. Clay Jimmy Arias 7–5, 5–7, 6–3
Winner 12. 1983 La Quinta, U.S. Hard Eliot Teltscher 6–4, 6–2
Winner 13. 1983 Bournemouth, England Clay Tomáš Šmíd 2–6, 7–6, 7–5
Runner-up 11. 1983 Hamburg, Germany Clay Yannick Noah 6–3, 5–7, 2–6, 0–6
Runner-up 12. 1983 Rome, Italy Clay Jimmy Arias 2–6, 7–6, 1–6, 4–6
Winner 14. 1983 Stuttgart Outdoor, Germany Clay Heinz Günthardt 6–1, 6–1, 7–6
Winner 15. 1984 Kitzbühel, Austria Clay Víctor Pecci 7–5, 3–6, 6–1
Winner 16. 1984 Bordeaux, France Clay Francesco Cancellotti 7–5, 6–1

text: José Higueras
Career finals
Singles (16 titles, 12 runner-ups)
Outcome No_ Date_ Championship Surface Opponent_in_the_final Score_in_the_final_
Runner-up 1. 1975 Båstad, Sweden Clay Manuel Orantes 0–6, 3–6
Runner-up 2. 1976 São Paulo, Brazil Carpet Guillermo Vilas 3–6, 0–6
Winner 1. 1976 Santiago, Chile Clay Carlos Kirmayr 5–7, 6–4, 6–4
Winner 2. 1977 Murcia, Spain Clay Buster Mottram 6–4, 6–0, 6–3
Runner-up 3. 1977 Bogotá, Colombia Clay Guillermo Vilas 1–6, 2–6, 3–6
Winner 3. 1978 Cairo, Egypt Clay Kjell Johansson 4–6, 6–4, 6–4
Winner 4. 1978 Nice, France Clay Yannick Noah 6–3, 6–4, 6–4
Runner-up 4. 1978 Indianapolis, U.S. Clay Jimmy Connors 0–6, 3–6
Winner 5. 1978 Bournemouth, England Clay Paolo Bertolucci 6–2, 6–1, 6–3

text: José Higueras
Career finals
Singles (16 titles, 12 runner-ups)
Outcome No_ Date_ Championship Surface Opponent_in_the_final Score_in_the_final_
Winner 6. 1978 Madrid, Spain Clay Tomáš Šmíd 6–7, 6–3, 6–3, 6–4
Winner 7. 1979 Houston, U.S. Clay Gene Mayer 6–3, 2–6, 7–6
Winner 8. 1979 Hamburg, Germany Clay Harold Solomon 3–6, 6–1, 6–4, 6–1
Runner-up 5. 1979 North Conway, U.S. Clay Harold Solomon 7–5, 4–6, 6–7
Winner 9. 1979 Boston, U.S. Clay Hans Gildemeister 6–3, 6–1
Runner-up 6. 1979 Quito, Ecuador Clay Víctor Pecci 6–2, 4–6, 2–6
Runner-up 7. 1979 Santiago, Chile Clay Hans Gildemeister 5–7, 7–5, 4–6
Runner-up 8. 1981 Viña del Mar, Chile Clay Víctor Pecci 4–6, 0–6
Runner-up 9. 1982 Linz, Austria Clay Anders Järryd 4–6, 6–4, 4–6

Question: How many courts are clay for José Higueras?