4‑Aug‑1986 | Kitzbuhel | Clay | R32 | 215 | 199 | (Q)Marco Armellini [ITA] d. Aguilera | 4-6 7-6 7-5 | | | | | | | | | |
4‑Aug‑1986 | Kitzbuhel | Clay | R64 | 215 | 164 | Aguilera d. Ronnie Bathman [SWE] | 6-3 3-6 6-1 | | | | | | | | | |
21‑Jul‑1986 | Boston | Clay | R32 | 229 | 127 | Martin Wostenholme [CAN] d. Aguilera | 6-3 6-2 | | | | | | | | | |
21‑Jul‑1986 | Boston | Clay | R64 | 229 | 249 | Aguilera d. (LL)Hatem Mcdadi [CAN] | 2-6 6-4 6-4 | | | | | | | | | |
7‑Jul‑1986 | Bordeaux | Clay | R16 | 157 | 46 | (6)Ulf Stenlund [SWE] d. Aguilera | 6-2 7-5 | | | | | | | | | |
7‑Jul‑1986 | Bordeaux | Clay | R32 | 157 | 173 | Aguilera d. Ronnie Bathman [SWE] | 7-5 4-6 6-0 | | | | | | | | | |
16‑Jun‑1986 | Athens | Clay | R32 | 137 | 209 | Pedro Rebolledo [CHI] d. Aguilera | 6-4 7-5 | | | | | | | | | |
9‑Jun‑1986 | Bologna | Clay | R16 | 137 | 41 | (4)Diego Perez [URU] d. Aguilera | 5-7 7-5 6-0 | | | | | | | | | |
9‑Jun‑1986 | Bologna | Clay | R32 | 137 | 79 | Aguilera d. Marcelo Ingaramo [ARG] | 6-1 6-2 | | | | | | | | | |
26‑May‑1986 | Roland Garros | Clay | R64 | 131 | 66 | Francisco Maciel [MEX] d. Aguilera | 6-4 6-4 6-1 | | | | | | | | | |
26‑May‑1986 | Roland Garros | Clay | R128 | 131 | 99 | Aguilera d. Wally Masur [AUS] | 1-6 6-4 7-6 2-6 8-6 | | | | | | | | | |
19‑May‑1986 | Florence | Clay | R32 | 128 | 84 | Martin Wostenholme [CAN] d. Aguilera | 7-5 6-1 | | | | | | | | | |
12‑May‑1986 | Rome | Clay | R64 | 102 | 31 | (13)Kent Carlsson [SWE] d. Aguilera | 6-2 6-3 | | | | | | | | | |
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 | | | | | | | | | |
14‑Apr‑1986 | Nice | Clay | R32 | 83 | 64 | Marian Vajda [SVK] d. Aguilera | 7-5 6-2 | | | | | | | | | |
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 | | | | | | | | | |
24‑Feb‑1986 | La Quinta | Hard | R64 | 75 | 31 | (9)David Pate [USA] d. Aguilera | 6-2 7-5 | | | | | | | | | |