Table:
text: Adrian Ungur
Singles performances (5–3)
Singles performances (5–3)
Edition Round Date_ Against Surface Opponent Win_Lose Result_
2010 Europe/Africa Zone Group I QF 7–8 May 2010 Ukraine Clay Sergiy Stakhovsky Lose 2–6, 7–6 (7–3) , 5–7, 5–7
2010 World Group Play-offs Play-off 17–19 September 2010 Ecuador Clay Giovanni Lapentti Win 6–7 (2–7) , 4–6, 6–3, 6–4, 6–1
2010 World Group Play-offs Play-off 17–19 September 2010 Ecuador Clay Emilio Gómez Win 6–3, 6–4
2011 World Group 1R 4–6 March 2011 Argentina Clay David Nalbandian Lose 3–6, 2–6, 7–5, 4–6
2011 World Group 1R 4–6 March 2011 Argentina Clay Juan Mónaco Win 6–4, 2–6, 6–3

Question: In which edition is Ungur's opponent David Nalbandian among Adrian Ungur's editions?

Question: Until what round did Adrian Ungur play against Sergiy Stakhovsky?