Table:
0
A
B
C
D
E
F
1
Outcome
Date
Championship
Surface
Opponent
Score
2
Winner
3 June 2001
Durban 1
Hard
Lara Van Looyen
4–6, 6–3, 7–6(3)
3
Winner
18 June 2001
Durban 2
Hard
Mathilde Johansson
6–4, 6–3
4
Winner
21 July 2001
Evansville, Indiana
Hard
Kristen Schlukebir
6–1, 6–3
5
Runner-Up
10 June 2002
Vaduz
Clay
Myriam Casanova
1-6, 3-6
6
Runner-Up
17 June 2002
Lenzerheide
Clay
Eva Birnerová
5-7, 4-6
7
Winner
14 Octomber 2002
Mackay
Hard
Amanda Grahame
7-6 (6) 7-5
8
Winner
22 February 2004
Benin City 1
Hard
Meghha Vakaria
6–1, 6–3
9
Winner
29 February 2004
Benin City 2
Hard
Susanne Aigner
6–1, 4–6, 6–4
10
Runner-Up
5 April 2004
Torre del Greco
Clay
Emma Laine
6-3, 4-6, 0-6
11
Runner-Up
17 June 2004
Pétange
Clay
Stanislava Hrozenská
7-6(12), 1-6, 4-6
12
Runner-Up
10 Octomber 2004
Lagos 2
Hard
Sania Mirza
6-4, 6-7, 5-7
13
Winner
22 November 2004
Pretoria 2
Hard
Lizaan Du Plessis
6–1, 6–3
14
Winner
28 November 2004
Pretoria 2
Hard
Karoline Borgersen
6–1, 6–3
15
Runner-Up
4 June 2007
Hilton Head
Hard
Angela Haynes
6-3, 2-6, 4-6
16
Winner
11 June 2007
Allentown
Hard
Angela Haynes
6–2, 2–6, 6–1
17
Winner
17 December 2007
Lagos
Hard
Zuzana Kučová
6–2, 6–0
18
Runner-Up
26 January 2009
Laguna nigel
Hard
Alexa Glatch
1-6, 0-6
19
Winner
16 March 2009
Irapuato
Hard
Natalia Rizhonkova
6–1, 7–5
20
Winner
15 March 2010
Fort Walton Beach
Hard
Sophie Ferguson
7–5, 7–5

Questions and formulas:
Question: What is Score, when Outcome is Winner, and when Opponent is Angela Haynes?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(A1="winner")*(E1="angela haynes")),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,(A2:A20="winner")*(E2:E20="angela haynes")),6))
Level: medium
Question: What is Date, when Championship is Mackay?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="mackay"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,C2:C20="mackay"),2))
Level: medium
Question: What is Opponent, when Championship is Pétange?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="pétange"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,C2:C20="pétange"),5))
Level: medium
Question: What is Outcome, when Score is 1-6, 3-6?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="1-6, 3-6"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,F2:F20="1-6, 3-6"),1))
Level: medium
Question: What is Date, when Score is 6-3, 4-6, 0-6?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="6-3, 4-6, 0-6"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,F2:F20="6-3, 4-6, 0-6"),2))
Level: medium
Question: What is Score, when Opponent is Natalia Rizhonkova?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="natalia rizhonkova"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,E2:E20="natalia rizhonkova"),6))
Level: medium