17‑Nov‑2003 | Uruguay F2 | Clay | QF | 382 | 319 | (3)Juan Monaco [ARG] d. (5)Massa | 3-1 RET | | | | | | | | | |
17‑Nov‑2003 | Uruguay F2 | Clay | R16 | 382 | 908 | (5)Massa d. (Q)Rogerio Dutra Silva [BRA] | 6-3 6-2 | | | | | | | | | |
17‑Nov‑2003 | Uruguay F2 | Clay | R32 | 382 | 960 | (5)Massa d. (Q)Emiliano Redondi [ARG] | 6-1 6-4 | | | | | | | | | |
3‑Nov‑2003 | Argentina F6 | Clay | QF | 396 | 315 | (6)Carlos Berlocq [ARG] d. Massa | 4-6 6-2 6-2 | | | | | | | | | |
3‑Nov‑2003 | Argentina F6 | Clay | R16 | 396 | 232 | Massa d. (1)Andres Dellatorre [ARG] | 6-7(5) 6-1 6-4 | | | | | | | | | |
3‑Nov‑2003 | Argentina F6 | Clay | R32 | 396 | 381 | Massa d. Sebastian Prieto [ARG] | 3-6 6-3 6-2 | | | | | | | | | |
27‑Oct‑2003 | Argentina F5 | Clay | R16 | 405 | 602 | (Q)Diego Junqueira [ARG] d. Massa | 7-6(1) 6-1 | | | | | | | | | |
27‑Oct‑2003 | Argentina F5 | Clay | R32 | 405 | 1177 | Massa d. (SE)Maximo Gonzalez [ARG] | 6-3 6-3 | | | | | | | | | |
20‑Oct‑2003 | Argentina F4 | Clay | QF | 427 | 623 | Alejandro Fabbri [ARG] d. (8)Massa | 6-4 RET | | | | | | | | | |
20‑Oct‑2003 | Argentina F4 | Clay | R16 | 427 | 644 | (8)Massa d. Diego Junqueira [ARG] | 7-5 6-1 | | | | | | | | | |
20‑Oct‑2003 | Argentina F4 | Clay | R32 | 427 | | (8)Massa d. (WC)Juan Pablo Amado [ARG] | 6-2 6-3 | | | | | | | | | |
13‑Oct‑2003 | Chile F6 | Clay | F | 426 | 401 | (1)Phillip Harboe [CHI] d. (4)Massa | 7-5 7-5 | | | | | | | | | |
13‑Oct‑2003 | Chile F6 | Clay | SF | 426 | 640 | (4)Massa d. Diego Junqueira [ARG] | 6-4 6-0 | | | | | | | | | |
13‑Oct‑2003 | Chile F6 | Clay | QF | 426 | 822 | (4)Massa d. Felipe Parada [CHI] | 6-4 6-2 | | | | | | | | | |
13‑Oct‑2003 | Chile F6 | Clay | R16 | 426 | 962 | (4)Massa d. Matias De Genaro [ARG] | 6-4 6-0 | | | | | | | | | |
13‑Oct‑2003 | Chile F6 | Clay | R32 | 426 | 1066 | (4)Massa d. (WC)Guillermo Hormazabal [CHI] | 6-1 6-2 | | | | | | | | | |
6‑Oct‑2003 | Chile F5 | Clay | R32 | 461 | 1061 | Guillermo Hormazabal [CHI] d. (4)Massa | 3-2 RET | | | | | | | | | |
29‑Sep‑2003 | Chile F4 | Clay | F | 464 | 370 | Massa d. (5)Carlos Berlocq [ARG] | 6-3 6-7(4) 6-2 | | | | | | | | | |
29‑Sep‑2003 | Chile F4 | Clay | SF | 464 | 783 | Massa d. (Q)Patricio Rudi [ARG] | 2-6 6-2 7-6(5) | | | | | | | | | |
29‑Sep‑2003 | Chile F4 | Clay | QF | 464 | 252 | Massa d. (1)Diego Moyano [ARG] | 6-4 2-6 6-0 | | | | | | | | | |
29‑Sep‑2003 | Chile F4 | Clay | R16 | 464 | 427 | Massa d. (7)Lucas Engel [BRA] | 7-5 6-0 | | | | | | | | | |
29‑Sep‑2003 | Chile F4 | Clay | R32 | 464 | | Massa d. (Q)Marcelo Osvaldo Tarony [ARG] | 6-2 6-7(5) 6-4 | | | | | | | | | |
10‑Mar‑2003 | Salinas CH | Hard | QF | 212 | 264 | (WC)Giovanni Lapentti [ECU] d. Massa | 6-4 RET | | | | | | | | | |
10‑Mar‑2003 | Salinas CH | Hard | R16 | 212 | 229 | Massa d. Dmitry Tursunov [RUS] | 4-6 6-0 6-2 | | | | | | | | | |
10‑Mar‑2003 | Salinas CH | Hard | R32 | 212 | 108 | Massa d. (3)Mariano Puerta [ARG] | 6-2 6-1 | | | | | | | | | |
17‑Feb‑2003 | Buenos Aires | Clay | R16 | 217 | 4 | (1)Carlos Moya [ESP] d. (WC)Massa | 6-2 6-2 | | 0.67 | 5.4% | 5.4% | 62.5% | 54.3% | 47.6% | 1/5 | 0:58 |
17‑Feb‑2003 | Buenos Aires | Clay | R32 | 217 | 63 | (WC)Massa d. Alberto Martin [ESP] | 6-4 6-4 | | 1.19 | 4.3% | 2.9% | 45.7% | 81.3% | 57.9% | 9/9 | 1:31 |
30‑Dec‑2002 | Sao Paulo1 CH | Hard | SF | 237 | 92 | (3)Flavio Saretta [BRA] d. Massa | 3-6 6-2 6-3 | | | | | | | | | |
30‑Dec‑2002 | Sao Paulo1 CH | Hard | QF | 237 | 178 | Massa d. (8)Sergio Roitman [ARG] | 2-6 6-3 6-1 | | | | | | | | | |
30‑Dec‑2002 | Sao Paulo1 CH | Hard | R16 | 237 | 197 | Massa d. Diego Moyano [ARG] | 6-4 7-6(3) | | | | | | | | | |
30‑Dec‑2002 | Sao Paulo1 CH | Hard | R32 | 237 | 1331 | Massa d. (WC)Andre Santos [BRA] | 6-1 6-4 | | | | | | | | | |