3‑Nov‑2008 | Guayaquil CH | Clay | R32 | 195 | 111 | (8)Brian Dabul [ARG] d. Mello | 4-6 6-1 6-3 | | | | | | | | | |
6‑Oct‑2008 | Florianopolis II CH | Clay | R16 | 189 | 90 | (1)Diego Junqueira [ARG] d. Mello | 6-3 4-6 6-3 | | | | | | | | | |
6‑Oct‑2008 | Florianopolis II CH | Clay | R32 | 189 | | Mello d. (WC)Guilherme Clezar [BRA] | 6-1 6-3 | | | | | | | | | |
29‑Sep‑2008 | Aracaju CH | Clay | R32 | 189 | 106 | (3)Nicolas Massu [CHI] d. Mello | 6-4 6-3 | | | | | | | | | |
22‑Sep‑2008 | Bogota CH | Clay | QF | 200 | 192 | Ricardo Hocevar [BRA] d. Mello | 7-6(4) 6-4 | | | | | | | | | |
22‑Sep‑2008 | Bogota CH | Clay | R16 | 200 | 133 | Mello d. (5)Pablo Cuevas [URU] | 7-6(3) 6-3 | | | | | | | | | |
22‑Sep‑2008 | Bogota CH | Clay | R32 | 200 | 313 | Mello d. (WC)Michael Quintero [COL] | 6-2 7-5 | | | | | | | | | |
15‑Sep‑2008 | Cali CH | Clay | R16 | 203 | 150 | (5)Santiago Giraldo [COL] d. Mello | 6-2 2-6 6-4 | | | | | | | | | |
15‑Sep‑2008 | Cali CH | Clay | R32 | 203 | 366 | Mello d. Erik Chvojka [CAN] | 6-3 7-6(2) | | | | | | | | | |
8‑Sep‑2008 | Quito CH | Clay | R16 | 205 | 650 | (WC)Eric Nunez [USA] d. (4)Mello | 7-6(10) 6-4 | | | | | | | | | |
8‑Sep‑2008 | Quito CH | Clay | R32 | 205 | 752 | (4)Mello d. (Q)Luis David Martinez [VEN] | 6-2 6-1 | | | | | | | | | |
25‑Aug‑2008 | US Open Q | Hard | Q1 | 207 | 210 | Aisam Ul Haq Qureshi [PAK] d. Mello | 6-1 1-6 6-3 | | | | | | | | | |
4‑Aug‑2008 | Campos Do Jordao1 CH | Hard | R32 | 206 | 310 | Izak Van Der Merwe [RSA] d. (4)Mello | 6-4 6-4 | | | | | | | | | |
28‑Jul‑2008 | Belo Horizonte CH | Hard | R32 | 204 | 683 | (WC)Flavio Saretta [BRA] d. (4)Mello | 7-5 3-6 7-5 | | | | | | | | | |
14‑Jul‑2008 | Manta CH | Hard | F | 200 | 373 | Giovanni Lapentti [ECU] d. (5)Mello | 6-2 6-4 | | | | | | | | | |
14‑Jul‑2008 | Manta CH | Hard | SF | 200 | 336 | (5)Mello d. Guillermo Alcaide [ESP] | 6-4 6-1 | | | | | | | | | |
14‑Jul‑2008 | Manta CH | Hard | QF | 200 | 181 | (5)Mello d. (2)Fernando Vicente [ESP] | 6-0 6-1 | | | | | | | | | |
14‑Jul‑2008 | Manta CH | Hard | R16 | 200 | 344 | (5)Mello d. Alejandro Fabbri [ARG] | 6-4 6-3 | | | | | | | | | |
14‑Jul‑2008 | Manta CH | Hard | R32 | 200 | 402 | (5)Mello d. Jeremy Blandin [FRA] | 6-3 6-2 | | | | | | | | | |
7‑Jul‑2008 | Bogota CH | Clay | QF | 215 | 189 | (4)Mariano Puerta [ARG] d. (7)Mello | 6-4 6-3 | | | | | | | | | |
7‑Jul‑2008 | Bogota CH | Clay | R16 | 215 | 254 | (7)Mello d. Michael Quintero [COL] | 6-1 6-3 | | | | | | | | | |
7‑Jul‑2008 | Bogota CH | Clay | R32 | 215 | | (7)Mello d. (WC)Naim Azhar [BER] | 6-0 6-0 | | | | | | | | | |
23‑Jun‑2008 | Wimbledon Q | Grass | Q2 | 217 | 263 | Martin Fischer [AUT] d. Mello | 7-5 5-7 6-4 | | | | | | | | | |
23‑Jun‑2008 | Wimbledon Q | Grass | Q1 | 217 | 180 | Mello d. Adrian Menendez Maceiras [ESP] | 6-2 6-0 | | | | | | | | | |
26‑May‑2008 | Izmir CH | Hard | R32 | 199 | 100 | (2)Kei Nishikori [JPN] d. Mello | 6-4 6-2 | | | | | | | | | |
19‑May‑2008 | New Delhi2 CH | Hard | QF | 213 | 132 | (4)Go Soeda [JPN] d. (8)Mello | 6-4 3-6 6-1 | | | | | | | | | |
19‑May‑2008 | New Delhi2 CH | Hard | R16 | 213 | 222 | (8)Mello d. Colin Ebelthite [AUS] | 6-2 7-6(2) | | | | | | | | | |
19‑May‑2008 | New Delhi2 CH | Hard | R32 | 213 | 341 | (8)Mello d. Illya Marchenko [UKR] | 6-2 6-4 | | | | | | | | | |
12‑May‑2008 | New Delhi CH | Hard | R32 | 216 | 343 | (Q)Illya Marchenko [UKR] d. Mello | 3-6 6-4 6-0 | | | | | | | | | |
14‑Apr‑2008 | Florianopolis CH | Clay | SF | 240 | 145 | (2)Thomaz Bellucci [BRA] d. (8)Mello | 7-5 6-4 | | | | | | | | | |
14‑Apr‑2008 | Florianopolis CH | Clay | QF | 240 | 499 | (8)Mello d. (Q)Rogerio Dutra Silva [BRA] | 6-3 6-0 | | | | | | | | | |
14‑Apr‑2008 | Florianopolis CH | Clay | R16 | 240 | 787 | (8)Mello d. (Q)Bruno Soares [BRA] | 6-1 6-4 | | | | | | | | | |
14‑Apr‑2008 | Florianopolis CH | Clay | R32 | 240 | 496 | (8)Mello d. Bogdan Leonte [ROU] | 6-0 6-0 | | | | | | | | | |
24‑Mar‑2008 | Leon CH | Hard | F | 244 | 189 | (7)Bruno Echagaray [MEX] d. Mello | 6-0 3-6 7-6(6) | | | | | | | | | |
24‑Mar‑2008 | Leon CH | Hard | SF | 244 | 133 | Mello d. (3)Brian Dabul [ARG] | 7-5 6-1 | | | | | | | | | |
24‑Mar‑2008 | Leon CH | Hard | QF | 244 | 262 | Mello d. Louk Sorensen [IRL] | 6-3 6-4 | | | | | | | | | |
24‑Mar‑2008 | Leon CH | Hard | R16 | 244 | 375 | Mello d. (Q)Nathan Healey [AUS] | 6-0 6-4 | | | | | | | | | |
24‑Mar‑2008 | Leon CH | Hard | R32 | 244 | 387 | Mello d. (WC)Santiago Gonzalez [MEX] | 6-2 6-1 | | | | | | | | | |
17‑Mar‑2008 | San Luis Potosi CH | Clay | R32 | 247 | 244 | Hugo Armando [USA] d. Mello | 3-6 7-6(2) 6-2 | | | | | | | | | |
10‑Mar‑2008 | Salinas CH | Hard | R32 | 247 | 105 | (1)Juan Pablo Brzezicki [ARG] d. Mello | 7-6(4) 6-3 | | | | | | | | | |
11‑Feb‑2008 | East London CH | Hard | R16 | 251 | 264 | Josselin Ouanna [FRA] d. Mello | 2-6 7-5 6-4 | | | | | | | | | |
11‑Feb‑2008 | East London CH | Hard | R32 | 251 | 248 | Mello d. Pavel Snobel [CZE] | 6-2 6-3 | | | | | | | | | |
28‑Jan‑2008 | Dallas CH | Hard | R32 | 226 | 128 | (3)Kristian Pless [DEN] d. Mello | 6-7(1) 7-5 6-4 | | | | | | | | | |
21‑Jan‑2008 | Waikoloa CH | Hard | R32 | 256 | 81 | (3)Benjamin Becker [GER] d. (Q)Mello | 6-4 6-3 | | | | | | | | | |
14‑Jan‑2008 | Miami CH | Clay | SF | 256 | 158 | (4)Eric Prodon [FRA] d. Mello | 6-1 2-6 6-2 | | | | | | | | | |
14‑Jan‑2008 | Miami CH | Clay | QF | 256 | 144 | Mello d. (2)Pablo Andujar [ESP] | 6-3 7-6(5) | | | | | | | | | |
14‑Jan‑2008 | Miami CH | Clay | R16 | 256 | 294 | Mello d. Pavel Chekhov [RUS] | 6-1 6-3 | | | | | | | | | |
14‑Jan‑2008 | Miami CH | Clay | R32 | 256 | 159 | Mello d. (5)Bruno Echagaray [MEX] | 6-4 6-2 | | | | | | | | | |