Table:
text: Dick Stockton (tennis)
Singles: 18 (8 titles – 10 runner-ups)
Singles: 18 (8 titles – 10 runner-ups)
Outcome Date_ Championship Surface Opponent Score
Runner-up 1971 Merion , U.S. Hard Clark Graebner 2–6, 4–6, 7–6, 5–7
Runner-up 1973 Miami WCT , U.S. Hard Rod Laver 6–7, 3–6, 5–7
Winner 1974 Atlanta WCT , U.S. Clay Jiří Hřebec 6–2, 6–1
Runner-up 1974 Charlotte , U.S. Clay Jeff Borowiak 4–6, 7–5, 6–7
Winner 1974 Adelaide , Australia Grass Geoff Masters 6–2, 6–3, 6–2
Runner-up 1975 Fort Worth WCT , U.S. Hard John Alexander 6–7, 6–4, 3–6
Winner 1975 San Antonio WCT , U.S. Hard Stan Smith 7–5, 2–6, 7–6
Runner-up 1975 Washington Indoor WCT , U.S. Carpet Mark Cox 2–6, 6–7

Question: At what championship was Jeff Borowiak's opponent for Dick Stockton (tennis) 18 singles, 8 titles and 10 runners-up?