Table:
text: Félix Mantilla Botella
Singles: 21 (10 titles, 11 runner-ups)
Singles: 21 (10 titles, 11 runner-ups)
Outcome Date_ Tournament Surface Opponent Score
Runner-up 13 November 1995 Buenos Aires Clay Carlos Moyá 0–6, 3–6
Runner-up 26 May 1996 St. Pölten Clay Marcelo Ríos 2–6, 4–6
Winner 10 June 1996 Oporto Clay Hernán Gumy 6–7 (5–7) , 6–4, 6–3
Runner-up 14 July 1996 Gstaad Clay Albert Costa 6–4, 6–7 (2–7) , 1–6, 0–6
Runner-up 11 August 1996 San Marino Clay Albert Costa 6–7 (7–9) , 3–6
Runner-up 18 August 1996 Umag Clay Carlos Moyá 0–6, 6–7 (4–7)
Runner-up 12 May 1997 Hamburg Clay Andrei Medvedev 0–6, 4–6, 2–6
Winner 9 June 1997 Bologna Clay Gustavo Kuerten 4–6, 6–2, 6–1

Question: What is the surface on May 26, 1996 for Félix Mantilla Botella?