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 |