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

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'