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:
| Outcome | Year | Championship | Surface | Partner | Opponents | Score |
| --- | --- | --- | --- | --- | --- | --- |
| Winner | 2003.0 | French Open | Clay | Mike Bryan | Paul Haarhuis Yevgeny Kafelnikov | 7–6 (7–3) , 6–3 |
| Runner-up | 2003.0 | US Open | Hard | Mike Bryan | Jonas Björkman Todd Woodbridge | 7–5, 0–6, 5–7 |
| Runner-up | 2004.0 | Australian Open | Hard | Mike Bryan | Michaël Llodra Fabrice Santoro | 6–7 (4–7) , 3–6 |
| Runner-up | 2005.0 | Australian Open (2) | Hard | Mike Bryan | Wayne Black Kevin Ullyett | 4–6, 4–6 |
| Runner-up | 2005.0 | French Open | Clay | Mike Bryan | Jonas Björkman Max Mirnyi | 6–2, 1–6, 4–6 |
| Runner-up | 2005.0 | Wimbledon | Grass | Mike Bryan | Stephen Huss Wesley Moodie | 7–6 (7–4) , 3–6, 7–6 (7–2) , 3–6 |
| Winner | 2005.0 | US Open | Hard | Mike Bryan | Jonas Björkman Max Mirnyi | 6–1, 6–4 |
| Winner | 2006.0 | Australian Open | Hard | Mike Bryan | Martin Damm Leander Paes | 4–6, 6–3, 6–4 |
| Runner-up | 2006.0 | French Open (2) | Clay | Mike Bryan | Jonas Björkman Max Mirnyi | 7–6 (7–5) , 4–6, 5–7 |
| Winner | 2006.0 | Wimbledon | Grass | Mike Bryan | Fabrice Santoro Nenad Zimonjić | 6–4, 4–6, 6–4, 6–2 |
| Winner | 2007.0 | Australian Open (2) | Hard | Mike Bryan | Jonas Björkman Max Mirnyi | 7–5, 7–5 |
| Runner-up | 2007.0 | Wimbledon (2) | Grass | Mike Bryan | Arnaud Clément Michaël Llodra | 7–6 (7–5) , 3–6, 4–6, 4–6 |
| Winner | 2008.0 | US Open (2) | Hard | Mike Bryan | Lukáš Dlouhý Leander Paes | 7–6 (7–5) , 7–6 (12–10) |
| Winner | 2009.0 | Australian Open (3) | Hard | Mike Bryan | Mahesh Bhupathi Mark Knowles | 2–6, 7–5, 6–0 |
| Runner-up | 2009.0 | Wimbledon (3) | Grass | Mike Bryan | Daniel Nestor Nenad Zimonjić | 6–7 (7–9) , 7–6 (7–3) , 6–7 (5–7) , 3–6 |
| Winner | 2010.0 | Australian Open (4) | Hard | Mike Bryan | Daniel Nestor Nenad Zimonjić | 6–3, 6–7 (5–7) , 6–3 |
| Winner | 2010.0 | US Open (3) | Hard | Mike Bryan | Rohan Bopanna Aisam-ul-Haq Qureshi | 7–6 (7–5) , 7–6 (7–4) |
| Winner | 2011.0 | Australian Open (5) | Hard | Mike Bryan | Mahesh Bhupathi Leander Paes | 6–3, 6–4 |
| Winner | 2011.0 | Wimbledon (2) | Grass | Mike Bryan | Robert Lindstedt Horia Tecău | 6–3, 6–4, 7–6 (7–2) |
| Runner-up | 2012.0 | Australian Open (3) | Hard | Mike Bryan | Leander Paes Radek Štěpánek | 6–7 (1–7) , 2–6 |
| Runner-up | 2012.0 | French Open (3) | Clay | Mike Bryan | Max Mirnyi Daniel Nestor | 6–4, 6–4 |
| Winner | 2012.0 | US Open (4) | Hard | Mike Bryan | Leander Paes Radek Štěpánek | 6–3, 6–4 |
| Winner | 2013.0 | Australian Open (6) | Hard | Mike Bryan | Robin Haase Igor Sijsling | 6–3, 6–4 |
| Winner | 2013.0 | French Open | Clay | Mike Bryan | Michaël Llodra Nicolas Mahut | 6–4, 4–6, 7–6 (7–4) |
Question:
On what surface was the Australian Open (6) played on?
Answer:
Hard