| 18‑Feb‑1991 | Stuttgart Indoor | Carpet | R32 | 22 | 7 | (6)Guy Forget [FRA] d. Aguilera | 6-2 6-3 | | 0.46 | 2.2% | 4.3% | 65.2% | 63.3% | 56.3% | 2/5 | 0:56 |
| 27‑Aug‑1990 | US Open | Hard | R128 | 19 | 2 | (2)Boris Becker [GER] d. Aguilera | 7-5 6-3 6-2 | | | | | | | | | |
| 7‑May‑1990 | Hamburg Masters | Clay | F | 26 | 3 | Aguilera d. (1)Boris Becker [GER] | 6-1 6-0 7-6 | (ch) | | | | | | | | |
| 23‑Apr‑1990 | Monte Carlo Masters | Clay | R16 | 32 | 2 | Aguilera d. (1)Stefan Edberg [SWE] | 7-6 7-6 | | | | | | | | | |
| 20‑Nov‑1989 | Itaparica | Hard | R32 | 67 | 9 | Aguilera d. (1)Alberto Mancini [ARG] | 7-5 2-6 7-5 | | | | | | | | | |
| 21‑Sep‑1987 | Barcelona | Clay | R16 | 260 | 3 | (1)Mats Wilander [SWE] d. (Q)Aguilera | 6-4 7-5 | | | | | | | | | |
| 5‑May‑1986 | Forest Hills | Clay | R64 | 94 | 4 | (2)Boris Becker [GER] d. Aguilera | 6-2 6-4 | | | | | | | | | |
| 28‑Apr‑1986 | Madrid | Clay | R32 | 81 | 7 | (1)Joakim Nystrom [SWE] d. Aguilera | 6-2 6-1 | | | | | | | | | |
| 24‑Mar‑1986 | Rotterdam | Carpet | R32 | 81 | 5 | (2)Stefan Edberg [SWE] d. Aguilera | 6-1 6-2 | | | | | | | | | |
| 10‑Mar‑1986 | Milan | Carpet | R32 | 72 | 1 | (1)Ivan Lendl [USA] d. Aguilera | 6-3 6-1 | | | | | | | | | |
| 16‑Sep‑1985 | Geneva | Clay | R16 | 88 | 10 | Aguilera d. (2)Joakim Nystrom [SWE] | W/O | | | | | | | | | |
| 27‑May‑1985 | Roland Garros | Clay | R32 | 63 | 6 | (6)Anders Jarryd [SWE] d. Aguilera | 6-4 6-2 6-2 | | | | | | | | | |
| 20‑May‑1985 | Dusseldorf | Clay | RR | 63 | 1 | John Mcenroe [USA] d. Aguilera | 6-7 6-4 6-4 | | | | | | | | | |
| 30‑Jul‑1984 | North Conway | Clay | QF | 14 | 6 | (5)Aguilera d. (1)Andres Gomez [ECU] | 6-2 5-7 6-3 | | | | | | | | | |
| 28‑May‑1984 | Roland Garros | Clay | R16 | 16 | 4 | (4)Mats Wilander [SWE] d. (13)Aguilera | 6-2 6-1 6-3 | | | | | | | | | |
| 21‑May‑1984 | Dusseldorf | Clay | RR | 16 | 5 | Jimmy Arias [USA] d. Aguilera | 6-3 6-7 6-0 | | | | | | | | | |
| 13‑May‑1984 | Rome | Clay | R64 | 17 | 8 | Aguilera d. (4)Jose Higueras [ESP] | 6-4 6-1 | | | | | | | | | |
| 7‑May‑1984 | Hamburg | Clay | QF | 36 | 6 | Aguilera d. (2)Yannick Noah [FRA] | 6-2 6-7 7-5 | | | | | | | | | |
| 3‑Oct‑1983 | Barcelona | Clay | R16 | | 9 | Aguilera d. (2)Jose Higueras [ESP] | 1-6 6-3 6-4 | | | | | | | | | |
| 12‑Sep‑1983 | Palermo | Clay | R16 | | 8 | (1)Jose Luis Clerc [ARG] d. Aguilera | 6-0 6-0 | | | | | | | | | |
| 25‑Jul‑1983 | North Conway | Clay | R16 | | 8 | (3)Jose Luis Clerc [ARG] d. Aguilera | 6-3 6-2 | | | | | | | | | |
| 9‑May‑1983 | Hamburg | Clay | R16 | | 10 | (6)Yannick Noah [FRA] d. (Q)Aguilera | 7-5 2-6 6-0 | | | | | | | | | |
| 26‑Jul‑1982 | North Conway | Clay | R64 | | 4 | (2)Ivan Lendl [USA] d. Aguilera | 6-2 3-6 6-3 | | | | | | | | | |
| 12‑Jul‑1982 | Boston | Clay | R32 | | 4 | (2)Ivan Lendl [USA] d. Aguilera | 6-3 6-4 | | | | | | | | | |
| 10‑May‑1982 | Hamburg | Clay | R64 | | 10 | (2)Eliot Teltscher [USA] d. Aguilera | 6-3 6-1 | | | | | | | | | |
| 26‑Apr‑1982 | Madrid | Clay | R32 | | 3 | (1)Ivan Lendl [USA] d. (Q)Aguilera | 6-1 6-3 | | | | | | | | | |