Table:
0
A
B
C
D
E
1
Date
Tournament
Surface
Opponent
Score
2
September 3, 2001
Aschaffenburg , Germany
Clay
Martin Verkerk
7–6, 6–2
3
January 27, 2003
Dallas , United States
Hard (i)
Justin Gimelstob
6–3, 7–6
4
July 4, 2005
Oberstaufen , Germany
Clay
Albert Portas
7–5, 6–2
5
May 8, 2006
Dresden , Germany
Clay
Janko Tipsarević
7–6, 6–2
6
May 29, 2006
Ettlingen , Germany
Clay
Michael Berrer
6–4, 6–3
7
July 3, 2006
Córdoba , Spain
Hard
Kevin Kim
6–7, 6–1, 7–6
8
June 18, 2007
Almaty , Kazakhstan
Clay
Daniel Brands
6–4, 6–2
9
June 25, 2007
Almaty , Kazakhstan
Clay
Woong-Sun Jun
6–3, 6–2
10
August 31, 2008
Freudenstadt , Germany
Clay
Matthias Bachinger
6–3, 6–4
11
September 7, 2008
Alphen aan den Rijn , Netherlands
Clay
Iván Navarro
6–4, 6–3
12
September 20, 2009
Todi , Italy
Clay
Adrian Ungur
2–6, 6–1, 7–6 (8–6)
13
June 11, 2011
Košice , Slovakia
Clay
Victor Crivoi
6–2, 6–1
14
October 28, 2012
Porto Alegre , Brazil
Clay
Gastão Elias
2–6, 7–6 (7–5) , 7–5

Questions and formulas:
Question: What was the surface for Adrian Ungur as an opponent?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="adrian ungur"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,D2:D14="adrian ungur"),3))
Level: medium
Question: What was the score on a clay surface on May 29, 2006?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(C1="clay")*(A1="may 29, 2006")),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,(C2:C14="clay")*(A2:A14="may 29, 2006")),5))
Level: medium
Question: Which tournament had a score of 6–3, 7–6?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="6–3, 7–6"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,E2:E14="6–3, 7–6"),2))
Level: medium
Question: On what surface was the opponent Michael Berrer?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="michael berrer"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,D2:D14="michael berrer"),3))
Level: medium