21‑Nov‑1988 | Itaparica | Hard | R32 | 233 | 52 | (7)Horacio De La Pena [ARG] d. (Q)Roig | 3-6 7-6 6-4 | | | | | | | | | |
14‑Nov‑1988 | Brasilia CH | Hard | R16 | 244 | 158 | Diego Perez [URU] d. Roig | 6-3 6-1 | | | | | | | | | |
14‑Nov‑1988 | Brasilia CH | Hard | R32 | 244 | 116 | Roig d. (8)Pablo Arraya [PER] | 4-6 7-5 6-2 | | | | | | | | | |
7‑Nov‑1988 | Buenos Aires | Clay | R16 | 247 | 93 | (5)Eduardo Bengoechea [ARG] d. (Q)Roig | 6-1 6-4 | | | | | | | | | |
7‑Nov‑1988 | Buenos Aires | Clay | R32 | 247 | 199 | (Q)Roig d. Christian Miniussi [ARG] | 6-4 6-1 | | | | | | | | | |
31‑Oct‑1988 | Sao Paulo | Hard | R16 | 264 | 80 | (5)Jaime Yzaga [PER] d. (LL)Roig | 6-0 6-1 | | | | | | | | | |
31‑Oct‑1988 | Sao Paulo | Hard | R32 | 264 | 119 | (LL)Roig d. Pedro Rebolledo [CHI] | 3-6 6-4 6-4 | | | | | | | | | |
17‑Oct‑1988 | Cherbourg CH | Hard | R32 | 256 | 311 | Hugo Nunez [ECU] d. Roig | 3-6 6-0 7-5 | | | | | | | | | |
12‑Sep‑1988 | Barcelona | Clay | R64 | 252 | 59 | (14)Marcelo Filippini [URU] d. (WC)Roig | 6-2 6-1 | | | | | | | | | |
5‑Sep‑1988 | Genova CH | Clay | R16 | 237 | 275 | Arnaud Boetsch [FRA] d. Roig | 6-2 2-6 7-6 | | | | | | | | | |
5‑Sep‑1988 | Genova CH | Clay | R32 | 237 | 221 | Roig d. Marco Filippeschi [ITA] | 6-1 6-4 | | | | | | | | | |
29‑Aug‑1988 | Verona CH | Clay | R32 | 237 | | (Q)Massimo Zampieri [ITA] d. Roig | 1-6 7-5 6-3 | | | | | | | | | |
22‑Aug‑1988 | Pescara CH | Clay | QF | 253 | 205 | (1)Josef Cihak [CZE] d. (8)Roig | 7-6 6-0 | | | | | | | | | |
22‑Aug‑1988 | Pescara CH | Clay | R16 | 253 | 806 | (8)Roig d. (Q)Guillermo Minutella [ARG] | 7-6 7-5 | | | | | | | | | |
22‑Aug‑1988 | Pescara CH | Clay | R32 | 253 | 250 | (8)Roig d. Corrado Aprili [ITA] | 6-1 6-2 | | | | | | | | | |
15‑Aug‑1988 | San Marino CH | Clay | R32 | 244 | 45 | (1)Claudio Mezzadri [SUI] d. (SE)Roig | 6-0 6-4 | | | | | | | | | |
8‑Aug‑1988 | Knokke CH | Clay | SF | 236 | 478 | Patrice Kuchna [FRA] d. (3)Roig | 2-6 6-4 6-2 | | | | | | | | | |
8‑Aug‑1988 | Knokke CH | Clay | QF | 236 | | (3)Roig d. (WC)Pierre Godfroid [BEL] | 6-4 6-1 | | | | | | | | | |
8‑Aug‑1988 | Knokke CH | Clay | R16 | 236 | 777 | (3)Roig d. (WC)Jean Fisette [BEL] | 6-2 4-6 7-5 | | | | | | | | | |
8‑Aug‑1988 | Knokke CH | Clay | R32 | 236 | 455 | (3)Roig d. Magnus Zeile [SWE] | 6-2 2-6 6-2 | | | | | | | | | |
25‑Jul‑1988 | Neu Ulm CH | Clay | R32 | 243 | 426 | (Q)Stefan Eriksson [SWE] d. Roig | 6-4 6-1 | | | | | | | | | |
18‑Jul‑1988 | Hanko CH | Clay | R16 | 246 | 381 | (Q)Tomas Nydahl [SWE] d. Roig | 6-4 3-6 7-5 | | | | | | | | | |
18‑Jul‑1988 | Hanko CH | Clay | R32 | 246 | 210 | Roig d. Per Henricsson [SWE] | 6-4 6-3 | | | | | | | | | |
20‑Jun‑1988 | Clermont Ferrand CH | Clay | R32 | 249 | 140 | (WC)Jean Philippe Fleurian [FRA] d. Roig | 6-2 6-4 | | | | | | | | | |
30‑May‑1988 | Montabaur CH | Clay | R16 | 191 | 228 | Rikard Bergh [SWE] d. Roig | 6-4 7-6 | | | | | | | | | |
30‑May‑1988 | Montabaur CH | Clay | R32 | 191 | 209 | Roig d. Gerald Marzenell [GER] | 7-5 6-0 | | | | | | | | | |
16‑May‑1988 | Florence | Clay | R16 | 205 | 85 | (6)Javier Frana [ARG] d. (LL)Roig | 6-3 5-7 7-6 | | | | | | | | | |
16‑May‑1988 | Florence | Clay | R32 | 205 | 229 | (LL)Roig d. (Q)Corrado Aprili [ITA] | 1-6 7-6 2-0 RET | | | | | | | | | |
9‑May‑1988 | Waiblingen CH | Clay | R32 | 204 | 237 | Simone Colombo [ITA] d. (8)Roig | 6-2 6-2 | | | | | | | | | |
25‑Apr‑1988 | Lisbon CH | Clay | R16 | 220 | 71 | (2)Alberto Mancini [ARG] d. (Q)Roig | 6-1 6-1 | | | | | | | | | |
25‑Apr‑1988 | Lisbon CH | Clay | R32 | 220 | 205 | (Q)Roig d. (SE)Nuno Marques [POR] | 4-6 6-2 6-1 | | | | | | | | | |
18‑Apr‑1988 | Vilamoura CH | Hard | R32 | 231 | 171 | (8)Tomas Carbonell [ESP] d. (Q)Roig | 7-5 7-6 | | | | | | | | | |
4‑Apr‑1988 | Madeira CH | Hard | F | 330 | 360 | Roig d. Richard Fromberg [AUS] | 6-4 1-0 RET | | | | | | | | | |
4‑Apr‑1988 | Madeira CH | Hard | SF | 330 | 162 | Roig d. (1)Jason Stoltenberg [AUS] | 6-4 6-1 | | | | | | | | | |
4‑Apr‑1988 | Madeira CH | Hard | QF | 330 | 240 | Roig d. (5)Gerald Marzenell [GER] | 4-6 6-1 6-2 | | | | | | | | | |
4‑Apr‑1988 | Madeira CH | Hard | R16 | 330 | 960 | Roig d. (WC)Sotero Rebelo [POR] | 6-0 6-1 | | | | | | | | | |
4‑Apr‑1988 | Madeira CH | Hard | R32 | 330 | 184 | Roig d. (3)Gianluca Pozzi [ITA] | 7-6 6-3 | | | | | | | | | |