Table:
0
A
B
C
D
E
F
1
Outcome
Date
Surface
Partner
Opponent in the final
Score in the final
2
Runner-up
16 July 2006
Clay
Oliver Marach
Jonas Björkman Thomas Johansson
3–6, 6–4, [4–10]
3
Runner-up
23 July 2006
Clay
Lucas Arnold Ker
Alberto Martín Fernando Vicente
4–6, 3–6
4
Runner-up
29 July 2007
Clay
Tomas Behrend
Potito Starace Luis Horna
6–7 (4–7) , 6–7 (5–7)
5
Runner-up
14 October 2007
Hard (i)
Tomas Behrend
Mariusz Fyrstenberg Marcin Matkowski
4–6, 2–6
6
Runner-up
2 March 2008
Hard (i)
Rogier Wassen
Paul Hanley Jordan Kerr
3–6, 6–3, [8–10]
7
Winner
13 July 2008
Clay
Philipp Kohlschreiber
Michael Berrer Mischa Zverev
6–3, 6–4
8
Runner-up
26 October 2008
Hard (i)
Philipp Kohlschreiber
Mahesh Bhupathi Mark Knowles
3–6, 3–6
9
Runner-up
8 February 2009
Hard (i)
Rogier Wassen
Martin Damm Robert Lindstedt
4–6, 3–6
10
Winner
14 June 2009
Grass
Philipp Kohlschreiber
Andreas Beck Marco Chiudinelli
6–3, 6–4
11
Runner-up
18 July 2010
Clay
Philipp Petzschner
Carlos Berlocq Eduardo Schwank
6–7 (5–7) , 6–7 (6–8)
12
Winner
3 October 2010
Hard
Viktor Troicki
Jonathan Erlich Jürgen Melzer
6–4, 6–4
13
Runner-up
27 February 2011
Hard
Alexander Peya
Scott Lipsky Rajeev Ram
6–4, 4–6, [3–10]
14
Runner-up
1 May 2011
Clay
Andreas Beck
Simone Bolelli Horacio Zeballos
6–7 (3–7) , 4–6
15
Runner-up
31 July 2011
Clay
Alexander Peya
František Čermák Filip Polášek
3–6, 6–7 (7–9)
16
Runner-up
27 August 2011
Hard
Alexander Peya
Jonathan Erlich Andy Ram
6–7 (2–7) , 4–6
17
Runner-up
6 January 2012
Hard
Philipp Kohlschreiber
Filip Polášek Lukáš Rosol
3–6, 4–6
18
Winner
4 January 2013
Hard
Philipp Kohlschreiber
Julian Knowle Filip Polášek
7–5, 6–4
19
Runner-up
14 April 2013
Clay
Dustin Brown
Julian Knowle Filip Polášek
3–6, 2–6
20
Winner
3 August 2013
Clay
Martin Emmrich
František Čermák Lukáš Dlouhý
6–4, 6–3

Questions and formulas:
Question: Which Score in the final has an Outcome of winner, and a Date of 3 august 2013?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(A1="winner")*(B1="3 august 2013")),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,(A2:A20="winner")*(B2:B20="3 august 2013")),6))
Level: medium
Question: Which Partner has a Date of 8 february 2009?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="8 february 2009"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,B2:B20="8 february 2009"),4))
Level: medium
Question: Which Opponent in the final has a Partner of dustin brown?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="dustin brown"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,D2:D20="dustin brown"),5))
Level: medium
Question: Which Score in the final has a Surface of clay, and a Partner of martin emmrich?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(C1="clay")*(D1="martin emmrich")),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,(C2:C20="clay")*(D2:D20="martin emmrich")),6))
Level: medium
Question: Which Surface has a Partner of oliver marach?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="oliver marach"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,D2:D20="oliver marach"),3))
Level: medium