CREATE TABLE table_58044 ("Outcome" CLOB, "Date" FLOAT, "Tournament" CLOB, "Surface" CLOB, "Partner" CLOB, "Opponents in the final" CLOB, "Score in the final" CLOB)

On what surface was Ivan Lendl a partner with a runner-up outcome and final score of 2 6, 6 7?
SELECT "Surface" FROM table_58044 WHERE "Outcome" = 'runner-up' AND "Partner" = 'ivan lendl' AND "Score in the final" = '2–6, 6–7'
SELECT "Surface" FROM "table_58044" WHERE "Outcome" = 'runner-up' AND "Partner" = 'ivan lendl' AND "Score in the final" = '2–6, 6–7'