Table:
0
A
B
C
D
E
F
1
Outcome
Date
Championship
Surface
Opponent
Score
2
Runner-up
1971
Merion , U.S.
Hard
Clark Graebner
2–6, 4–6, 7–6, 5–7
3
Runner-up
1973
Miami WCT , U.S.
Hard
Rod Laver
6–7, 3–6, 5–7
4
Winner
1974
Atlanta WCT , U.S.
Clay
Jiří Hřebec
6–2, 6–1
5
Runner-up
1974
Charlotte , U.S.
Clay
Jeff Borowiak
4–6, 7–5, 6–7
6
Winner
1974
Adelaide , Australia
Grass
Geoff Masters
6–2, 6–3, 6–2
7
Runner-up
1975
Fort Worth WCT , U.S.
Hard
John Alexander
6–7, 6–4, 3–6
8
Winner
1975
San Antonio WCT , U.S.
Hard
Stan Smith
7–5, 2–6, 7–6
9
Runner-up
1975
Washington Indoor WCT , U.S.
Carpet
Mark Cox
2–6, 6–7
10
Winner
1976
Lagos WCT , Nigeria
Clay
Arthur Ashe
6–3, 6–2
11
Runner-up
1976
Sydney Outdoor , Australia
Grass
Tony Roche
3–6, 6–3, 3–6, 4–6
12
Winner
1977
Philadelphia WCT , U.S.
Carpet
Jimmy Connors
3–6, 6–4, 3–6, 6–1, 6–2
13
Winner
1977
Toronto Indoor WCT , Canada
Carpet
Jimmy Connors
5–6, RET.
14
Winner
1977
Rotterdam , Netherlands
Carpet
Ilie Năstase
2–6, 6–3, 6–3
15
Runner-up
1977
Dallas WCT , U.S. – WCT Finals
Carpet
Jimmy Connors
7–6, 1–6, 4–6, 3–6
16
Runner-up
1978
Birmingham WCT , U.S.
Carpet
Björn Borg
6–7, 5–7
17
Winner
1978
Little Rock , U.S.
Carpet
Hank Pfister
6–4, 3–5, RET.
18
Runner-up
1978
San Francisco , U.S.
Carpet
John McEnroe
6–2, 6–7, 2–6
19
Runner-up
1981
South Orange , U.S.
Clay
Shlomo Glickstein
3–6, 7–5, 4–6

Questions and formulas:
Question: During what Championship was the Opponent Jeff Borowiak?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="jeff borowiak"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F19,E2:E19="jeff borowiak"),3))
Level: medium
Question: On what Date was the Score of 3–6, 6–4, 3–6, 6–1, 6–2
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="3–6, 6–4, 3–6, 6–1, 6–2"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F19,F2:F19="3–6, 6–4, 3–6, 6–1, 6–2"),2))
Level: medium