Table:
text: Tommy Haas
Singles: 27 (15–12)
Singles: 27 (15–12)
Outcome Date_ Surface Opponent Score
Runner-up 13 October 1997 Hard (i) Fabrice Santoro 4–6, 4–6
Runner-up 19 October 1998 Hard (i) Àlex Corretja 6–2, 6–7 (6–8) , 1–6
Runner-up 11 January 1999 Hard Sjeng Schalken 4–6, 4–6
Winner 15 February 1999 Hard Jim Courier 6–4, 6–1
Runner-up 19 July 1999 Clay Magnus Norman 7–6 (8–6) , 6–4, 6–7 (7–9) , 0–6, 3–6
Runner-up 17 September 1999 Carpet Greg Rusedski 3–6, 4–6, 7–6 (7–5) , 6–7 (5–7)
Runner-up 1 May 2000 Clay Franco Squillari 4–6, 4–6
Runner-up 18 September 2000 Hard Yevgeny Kafelnikov 6–7 (4–7) , 6–3, 2–6, 6–4, 3–6

Question: What is the surface of Yevgeny Kafelnikov in the game with Tommy Haas as an opponent among the singles: 27 (15-12) players?