24‑Nov‑1997 | Buenos Aires CH | Clay | R32 | 112 | 164 | Jaime Oncins [BRA] d. (6)Delgado | 7-6 1-6 6-3 | | | | | | | | | |
17‑Nov‑1997 | Guadalajara CH | Clay | SF | 118 | 315 | (Q)Rogier Wassen [NED] d. (5)Delgado | 6-2 6-2 | | | | | | | | | |
17‑Nov‑1997 | Guadalajara CH | Clay | QF | 118 | 164 | (5)Delgado d. Sebastian Prieto [ARG] | 6-4 6-3 | | | | | | | | | |
17‑Nov‑1997 | Guadalajara CH | Clay | R16 | 118 | 313 | (5)Delgado d. (WC)Marco Osorio [MEX] | 4-6 6-3 7-5 | | | | | | | | | |
17‑Nov‑1997 | Guadalajara CH | Clay | R32 | 118 | 148 | (5)Delgado d. Davide Scala [ITA] | 7-6 7-6 | | | | | | | | | |
27‑Oct‑1997 | Bogota | Clay | R32 | 109 | 69 | (7)Andrea Gaudenzi [ITA] d. Delgado | 7-6(1) 4-6 6-4 | | 0.84 | 6.8% | 3.9% | 57.3% | 66.1% | 45.5% | 2/6 | 2:05 |
20‑Oct‑1997 | Mexico City | Clay | R16 | 111 | 80 | Fernando Meligeni [BRA] d. Delgado | 6-3 7-5 | | 0.73 | 6.0% | 9.0% | 64.2% | 55.8% | 54.2% | 8/12 | 1:22 |
20‑Oct‑1997 | Mexico City | Clay | R32 | 111 | 100 | Delgado d. Oliver Gross [GER] | 6-0 6-1 | | 2.28 | 9.1% | 0.0% | 88.6% | 71.8% | 80.0% | 4/4 | |
13‑Oct‑1997 | Guayaquil CH | Clay | R32 | 111 | 286 | (WC)Mariano Zabaleta [ARG] d. (6)Delgado | 6-7 6-4 6-2 | | | | | | | | | |
6‑Oct‑1997 | Lima CH | Clay | SF | 120 | 111 | (3)Oliver Gross [GER] d. (7)Delgado | 1-6 7-6 6-4 | | | | | | | | | |
6‑Oct‑1997 | Lima CH | Clay | QF | 120 | 155 | (7)Delgado d. Gabriel Silberstein [CHI] | 2-6 6-2 7-5 | | | | | | | | | |
6‑Oct‑1997 | Lima CH | Clay | R16 | 120 | 184 | (7)Delgado d. Mariano Puerta [ARG] | 6-2 7-6 | | | | | | | | | |
6‑Oct‑1997 | Lima CH | Clay | R32 | 120 | 431 | (7)Delgado d. (Q)Richard Brostowicz [BRA] | 6-3 4-6 6-4 | | | | | | | | | |
29‑Sep‑1997 | Santiago CH | Clay | QF | 146 | 129 | (5)Guillermo Canas [ARG] d. Delgado | 6-4 3-6 7-6 | | | | | | | | | |
29‑Sep‑1997 | Santiago CH | Clay | R16 | 146 | 171 | Delgado d. Gerard Solves [FRA] | 6-3 2-6 6-4 | | | | | | | | | |
29‑Sep‑1997 | Santiago CH | Clay | R32 | 146 | 436 | Delgado d. (Q)Kris Goossens [BEL] | 6-3 6-2 | | | | | | | | | |
22‑Sep‑1997 | Sao Paulo CH | Clay | SF | 146 | 76 | (1)Fernando Meligeni [BRA] d. (5)Delgado | 6-4 6-4 | | | | | | | | | |
22‑Sep‑1997 | Sao Paulo CH | Clay | QF | 146 | 220 | (5)Delgado d. Marcelo Charpentier [ARG] | 6-3 6-0 | | | | | | | | | |
22‑Sep‑1997 | Sao Paulo CH | Clay | R16 | 146 | 121 | (5)Delgado d. (Q)Franco Squillari [ARG] | 6-3 6-3 | | | | | | | | | |
22‑Sep‑1997 | Sao Paulo CH | Clay | R32 | 146 | 335 | (5)Delgado d. (Q)Miles Maclagan [GBR] | 6-3 6-3 | | | | | | | | | |
8‑Sep‑1997 | Tashkent | Hard | R32 | 123 | 37 | (5)Hicham Arazi [MAR] d. Delgado | 4-6 6-4 6-3 | | 0.89 | 6.7% | 3.3% | 73.3% | 62.1% | 37.5% | 13/19 | 1:33 |
18‑Aug‑1997 | Long Island | Hard | R32 | 132 | 4 | (2)Goran Ivanisevic [CRO] d. (Q)Delgado | 7-5 6-4 | | 1.01 | 7.1% | 0.0% | 57.1% | 67.5% | 60.0% | 2/5 | 1:18 |
11‑Aug‑1997 | Bronx CH | Hard | R16 | 131 | 298 | (Q)Martin Lee [GBR] d. (3)Delgado | 6-3 6-3 | | | | | | | | | |
11‑Aug‑1997 | Bronx CH | Hard | R32 | 131 | 213 | (3)Delgado d. (WC)David Nainkin [RSA] | 7-6 7-6 | | | | | | | | | |
4‑Aug‑1997 | Binghamton CH | Hard | SF | 141 | 231 | Brian Macphie [USA] d. (2)Delgado | 4-6 6-3 6-4 | | | | | | | | | |
4‑Aug‑1997 | Binghamton CH | Hard | QF | 141 | 182 | (2)Delgado d. Cecil Mamiit [PHI] | 6-3 6-3 | | | | | | | | | |
4‑Aug‑1997 | Binghamton CH | Hard | R16 | 141 | 354 | (2)Delgado d. (Q)Tommy Ho [USA] | 7-6 7-6 | | | | | | | | | |
4‑Aug‑1997 | Binghamton CH | Hard | R32 | 141 | 229 | (2)Delgado d. Gouichi Motomura [JPN] | 4-6 6-2 6-3 | | | | | | | | | |
28‑Jul‑1997 | Lexington CH | Hard | QF | 142 | 130 | (6)Gianluca Pozzi [ITA] d. (4)Delgado | 2-6 6-4 6-1 | | | | | | | | | |
28‑Jul‑1997 | Lexington CH | Hard | R16 | 142 | 210 | (4)Delgado d. Alistair Hunt [NZL] | 6-3 7-5 | | | | | | | | | |
28‑Jul‑1997 | Lexington CH | Hard | R32 | 142 | 292 | (4)Delgado d. David Caldwell [USA] | 6-3 7-5 | | | | | | | | | |
21‑Jul‑1997 | Winnetka CH | Hard | SF | 153 | 170 | Wayne Black [ZIM] d. (7)Delgado | 6-7 6-2 6-1 | | | | | | | | | |
21‑Jul‑1997 | Winnetka CH | Hard | QF | 153 | 136 | (7)Delgado d. (2)Steve Campbell [USA] | 6-2 6-3 | | | | | | | | | |
21‑Jul‑1997 | Winnetka CH | Hard | R16 | 153 | 311 | (7)Delgado d. (WC)Michael Sell [USA] | 7-6 6-2 | | | | | | | | | |
21‑Jul‑1997 | Winnetka CH | Hard | R32 | 153 | 612 | (7)Delgado d. (WC)Mashiska Washington [USA] | 6-3 1-6 6-4 | | | | | | | | | |
14‑Jul‑1997 | Quito CH | Clay | F | 168 | 246 | Mariano Puerta [ARG] d. (3)Delgado | 6-1 7-5 | | | | | | | | | |
14‑Jul‑1997 | Quito CH | Clay | SF | 168 | 156 | (3)Delgado d. (2)Guillermo Canas [ARG] | 4-6 6-2 6-2 | | | | | | | | | |
14‑Jul‑1997 | Quito CH | Clay | QF | 168 | 275 | (3)Delgado d. Eduardo Medica [ARG] | 5-7 6-4 6-3 | | | | | | | | | |
14‑Jul‑1997 | Quito CH | Clay | R16 | 168 | 878 | (3)Delgado d. (WC)Nicolas Massu [CHI] | 6-4 7-6 | | | | | | | | | |
14‑Jul‑1997 | Quito CH | Clay | R32 | 168 | 407 | (3)Delgado d. Damian Furmanski [ARG] | 7-6 6-2 | | | | | | | | | |
7‑Jul‑1997 | Cali CH | Clay | F | 219 | 300 | (4)Delgado d. Sebastian Prieto [ARG] | 6-3 1-6 7-6 | | | | | | | | | |
7‑Jul‑1997 | Cali CH | Clay | SF | 219 | 286 | (4)Delgado d. Mariano Puerta [ARG] | 7-6 6-2 | | | | | | | | | |
7‑Jul‑1997 | Cali CH | Clay | QF | 219 | 290 | (4)Delgado d. (6)Eduardo Medica [ARG] | 4-6 6-1 6-1 | | | | | | | | | |
7‑Jul‑1997 | Cali CH | Clay | R16 | 219 | 447 | (4)Delgado d. (Q)Mariano Sanchez [MEX] | 6-1 6-4 | | | | | | | | | |
7‑Jul‑1997 | Cali CH | Clay | R32 | 219 | 445 | (4)Delgado d. Enzo Artoni [ITA] | 6-3 6-2 | | | | | | | | | |
26‑May‑1997 | Roland Garros | Clay | R64 | 230 | 125 | (WC)Thierry Champion [FRA] d. (Q)Delgado | 6-2 6-3 6-3 | | 0.57 | 3.3% | 4.4% | 61.1% | 52.7% | 37.1% | 3/10 | 1:38 |
26‑May‑1997 | Roland Garros | Clay | R128 | 230 | 75 | (Q)Delgado d. Sjeng Schalken [NED] | 2-6 7-6(2) 7-5 6-4 | | 1.15 | 5.5% | 1.4% | 61.6% | 70.0% | 57.1% | 9/13 | 2:32 |
12‑May‑1997 | Curitiba CH | Clay | SF | 267 | 158 | (4)Razvan Sabau [ROU] d. Delgado | 6-4 6-4 | | | | | | | | | |
12‑May‑1997 | Curitiba CH | Clay | QF | 267 | 265 | Delgado d. Carlos Gomez Diaz [ARG] | 6-3 7-6 | | | | | | | | | |
12‑May‑1997 | Curitiba CH | Clay | R16 | 267 | 207 | Delgado d. (7)Francisco Costa [BRA] | 7-6 2-0 RET | | | | | | | | | |
12‑May‑1997 | Curitiba CH | Clay | R32 | 267 | 310 | Delgado d. Cyril Buscaglione [FRA] | 6-4 6-1 | | | | | | | | | |
5‑May‑1997 | Coral Springs | Clay | R32 | 271 | 75 | Johan Van Herck [BEL] d. (Q)Delgado | 7-6(5) 6-3 | | 0.80 | 10.0% | 4.3% | 44.3% | 77.4% | 46.2% | 5/7 | 1:33 |
4‑Apr‑1997 | Davis Cup G2 SF: PAR vs URU | Clay | RR | 280 | 300 | Delgado d. Federico Dondo [URU] | 3-6 6-2 6-2 7-5 | | | | | | | | | |
4‑Apr‑1997 | Davis Cup G2 SF: PAR vs URU | Clay | RR | 280 | 81 | Marcelo Filippini [URU] d. Delgado | 7-5 4-6 7-6(6) 6-2 | | | | | | | | | |
17‑Feb‑1997 | Punta Del Este CH | Clay | R16 | 296 | 88 | (1)Fernando Meligeni [BRA] d. (Q)Delgado | 6-3 6-2 | | | | | | | | | |
17‑Feb‑1997 | Punta Del Este CH | Clay | R32 | 296 | 168 | (Q)Delgado d. Jimy Szymanski [VEN] | 7-5 6-3 | | | | | | | | | |
7‑Feb‑1997 | Davis Cup G2 QF: PAR vs HAI | Clay | RR | 291 | 468 | Delgado d. Bertrand Madsen [HAI] | 7-5 6-3 6-1 | | | | | | | | | |
7‑Feb‑1997 | Davis Cup G2 QF: PAR vs HAI | Clay | RR | 291 | | Delgado d. Bertrand Lacombe [HAI] | 6-1 6-3 | | | | | | | | | |