Table:
0
A
B
C
D
E
F
1
Outcome
Date
Tournament
Surface
Opponent in the final
Score
2
Runner-up
16 May 2004
Karuizawa , Japan
Carpet
Wynne Prakusya
3-6 2-6
3
Runner-up
19 February 2006
Sydney , Australia
Hard
Jarmila Gajdošová
4-6 6-3 6-7(3)
4
Runner-up
26 March 2006
Melbourne , Australia
Clay
Yung-Jan Chan
3-6 6-7(4)
5
Winner
5 August 2007
Obihiro , Japan
Carpet
Ayumi Morita
6-4 6-3
6
Winner
13 September 2007
Tokyo , Japan
Hard
Zhao Yi-Jing
6-2 6-4
7
Runner-up
14 October 2007
Rockhampton , Australia
Hard
Marina Erakovic
6-7(5) 5-7
8
Runner-up
21 October 2007
Gympie , Australia
Hard
Marina Erakovic
6-4 4-6 6-7(5)
9
Runner-up
29 March 2009
Hammond, Louisiana , USA
Hard
Kristie Ahn
6-0 4-6 4-6
10
Runner-up
27 June 2009
Périgueux , France
Clay
Julia Vakulenko
2-6 5-7
11
Winner
16 August 2009
Quanzhou , China
Hard
Yung-Jan Chan
6-3 6-1
12
Runner-up
21 March 2010
Fort Walton Beach, Florida , USA
Hard
Chanelle Scheepers
5-7 5-7
13
Runner-up
10 July 2010
Biarritz , France
Clay
Julia Görges
2-6 2-6

Questions and formulas:
Question: Who is the opponent in the final of the match on 19 February 2006?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="19 february 2006"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,B2:B13="19 february 2006"),5))
Level: medium
Question: Who is the opponent in the final of the match on 26 March 2006?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="26 march 2006"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,B2:B13="26 march 2006"),5))
Level: medium