Table:
0
A
B
C
D
E
F
1
Outcome
Date
Tournament
Surface
Opponent
Score
2
Runner-up
6 October 2003
Bari , Italy
Clay
Bettina Pirker
6–2, 7–5
3
Runner-up
14 June 2005
Lenzerheide , Switzerland
Clay
Danica Krstajić
6–2, 7–5
4
Runner-up
1 May 2006
Catania , Italy
Clay
María José Martínez Sánchez
6–3, 4–6, 6–4
5
Winner
25 July 2006
Monteroni D'Arbia , Italy
Clay
Edina Gallovits-Hall
6–2, 6–1
6
Runner-up
31 July 2006
Martina Franca , Italy
Clay
Margalita Chakhnashvili
6–3, 7–5
7
Runner-up
13 March 2007
Orange , USA
Hard
Naomi Cavaday
6–1, 6–1
8
Runner-up
3 April 2007
Dinan , France
Clay (i)
Maša Zec Peškirič
6–4, 6–2
9
Runner-up
9 April 2007
Civitavecchia , Italy
Clay
Darya Kustova
3–6, 6–4, 6–4
10
Runner-up
9 July 2007
Biella , Italy
Clay
Agnieszka Radwańska
6–3, 6–3
11
Runner-up
11 October 2010
Settimo San Pietro , Italy
Clay
Anastasia Grymalska
4–6, 6–2, 7–5
12
Winner
18 October 2010
Seville , Spain
Clay
Andrea Gámiz
6–0, 6–1
13
Runner-up
16 November 2010
Mallorca , Spain
Clay
Diana Enache
6–4, 6–2
14
Winner
7 June 2011
Campobasso , Italy
Clay
Alizé Lim
6–2, 6–4
15
Runner-up
14 June 2011
Padova , Italy
Clay
Kristina Mladenovic
3–6, 6–4, 6–0
16
Winner
20 June 2011
Rome, Italy
Clay
Laura Thorpe
6–3, 6–0
17
Runner-up
27 August 2012
Bagnatica , Italy
Clay
Maria-Elena Camerin
7–6(5), 6–4
18
Winner
4 September 2012
Mestre , Italy
Clay
Estrella Cabeza Candela
6–1, 3–6, 6–1
19
Runner-up
12 May 2013
Trnava , Slovakia
Clay
Barbora Záhlavová-Strýcová
6–2, 6–4

Questions and formulas:
Question: When was naomi cavaday the opponent?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="naomi cavaday"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F19,E2:E19="naomi cavaday"),2))
Level: medium
Question: When was andrea gámiz the opponent?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="andrea gámiz"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F19,E2:E19="andrea gámiz"),2))
Level: medium
Question: Who is the opponent when the score was 6–4, 6–2 and the surface was clay?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(F1="6–4, 6–2")*(D1="clay")),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F19,(F2:F19="6–4, 6–2")*(D2:D19="clay")),5))
Level: medium