Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Date | Tournament | Surface | Partner | Opponents in final | Score |
| --- | --- | --- | --- | --- | --- |
| 26 August 2001 | Long Island , USA | Hard | Radek Štěpánek | Jonathan Stark Kevin Ullyett | 1–6, 4–6 |
| 29 September 2002 | Palermo , Italy | Clay | František Čermák | Lucas Arnold Ker Luis Lobo | 4–6, 6–4, 2–6 |
| 5 January 2003 | Chennai , India | Hard | František Čermák | Julian Knowle Michael Kohlmann | 6–7 (1–7) , 6–7 (3–7) |
| 11 January 2003 | Auckland , New Zealand | Hard | Tomáš Cibulec | David Adams Robbie Koenig | 6–7, 6–3, 3–6 |
| 16 February 2003 | Viña del Mar , Chile | Clay | František Čermák | Agustín Calleri Mariano Hood | 3–6, 6–1, 4–6 |
| 13 July 2003 | Gstaad , Switzerland | Clay | František Čermák | Leander Paes David Rikl | 3–6, 3–6 |
| 3 August 2003 | Sopot , Poland | Clay | František Čermák | Mariusz Fyrstenberg Marcin Matkowski | 4–6, 7–6 (9–7) , 3–6 |
| 28 September 2003 | Palermo , Italy | Clay | František Čermák | Lucas Arnold Ker Mariano Hood | 6–7 (6–8) , 7–6 (7–3) , 4–6 |
| 28 February 2004 | Costa do Sauipe , Brasil | Clay | Tomas Behrend | Mariusz Fyrstenberg Marcin Matkowski | 2–6, 2–6 |
| 18 April 2004 | Estoril , Portugal | Clay | František Čermák | Juan Ignacio Chela Gastón Gaudio | 2–6, 1–6 |
| 23 May 2004 | St. Pölten , Austria | Clay | Tomáš Cibulec | Mariano Hood Petr Pála | 6–3, 5–7, 4–6 |
| 19 June 2005 | 's-Hertogenbosch , Netherlands | Grass | Tomáš Cibulec | Cyril Suk Pavel Vízner | 3–6, 4–6 |
| 15 January 2006 | Sydney , Australia | Hard | František Čermák | Fabrice Santoro Nenad Zimonjić | 1–6, 4–6 |
| 5 February 2006 | Viña del Mar , Chile | Clay | František Čermák | José Acasuso Sebastián Prieto | 6–7 (2–7) , 4–6 |
| 7 May 2006 | Estoril , Portugal | Clay | Lucas Arnold Ker | Lukáš Dlouhý Pavel Vízner | 3–6, 1–6 |
| 20 May 2007 | Pörtschach , Austria | Clay | David Škoch | Simon Aspelin Julian Knowle | 6–7 (6–8) , 7–5, [5–10] |
Question:
On what surface was the 26 August 2001 tournament played?
Answer:
Hard