Table:
0
A
B
C
D
E
1
Date
Tournament
Surface
Opponent in the final
Score
2
15 August 2004
Islamabad
Clay
Toshiaki Sakai
7–6(3) 7–6(5)
3
22 August 2004
Lahore
Grass
Toshiaki Sakai
1–6 6–4 6–3
4
5 September 2004
Karachi
Hard
Tommaso Sanna
6–3 6–4
5
12 September 2004
Hyderabad
Hard
Tai-Wei Liu
6–7(5) 6–1 6–1
6
20 August 2006
Delhi
Hard
Ravishankar Pathanjali
7–6(7) 6–4
7
12 August 2007
Ludhiana
Hard
Aditya Madkekar
6–3 7–6(5)
8
29 October 2007
Lahore
Grass
Divij Sharan
4–6 6–3 6–4

Questions and formulas:
Question: Who is the opponent in the final on a hard surface with a score of 6–3 7–6(5)?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(C1="hard")*(E1="6–3 7–6(5)")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(C2:C8="hard")*(E2:E8="6–3 7–6(5)")),4))
Level: medium
Question: Who is the opponent in the Tournament of Lahore final?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="lahore"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,B2:B8="lahore"),4))
Level: medium
Question: On what date did the opponent in the Toshiaki Sakai final play on a grass surface?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="toshiaki sakai")*(C1="grass")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(D2:D8="toshiaki sakai")*(C2:C8="grass")),1))
Level: medium
Question: On what surface did a score of 4–6 6–3 6–4 occur at the Tournament of Lahore?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(B1="lahore")*(E1="4–6 6–3 6–4")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(B2:B8="lahore")*(E2:E8="4–6 6–3 6–4")),3))
Level: medium
Question: Which tournament had Toshiaki Sakai as an opponent in the final on a grass surface?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="toshiaki sakai")*(C1="grass")),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(D2:D8="toshiaki sakai")*(C2:C8="grass")),2))
Level: medium