Table:
text: Alexander Slabinsky
Doubles Titles (4)
Doubles Titles (4)
Date_ Tournament Surface Partner Opponents_in_the_final Score
20 March 2006 Australia F4 Clay Robert Haybittel Damian Patriarca Joseph Sirianni 6–7(4), 1–6
7 April 2008 Russia F1 Hard Chris Eaton Sergei Demekhine Konstantin Kravchuk 1–6, 2–6
30 October 2009 Cardiff, Great Britain F16 Hard Tim Bradshaw Barry King James McGee 4–6, 6–7(3)
4 December 2009 Santo Domingo, Dominican Republic F2 Hard Amir Weintraub Adam El Mihdawy Blake Strode 3–6, 6–2, [7–10]
26 December 2009 Sorocaba, Brazil F32 Clay Guillermo Alcaide Alexandre Bonatto Rodrigo-Antonio Grilli 2–6, 4–6
3 January 2010 São Paulo , Brazil F34 Hard Guillermo Alcaide Juan-Pablo Amado Rodrigo-Antonio Grilli 4–6, 5–7

Question: What is the surface of Alexander Slabinsky when partner was Robert Haybittel in Doubles Titles (4)?