24‑Nov‑2008 | Lima CH | Clay | QF | 206 | 113 | (4)Luis Horna [PER] d. (7)Puerta | W/O | | | | | | | | | |
24‑Nov‑2008 | Lima CH | Clay | R16 | 206 | 285 | (7)Puerta d. Diego Alvarez [ARG] | 6-4 6-4 | | | | | | | | | |
24‑Nov‑2008 | Lima CH | Clay | R32 | 206 | 929 | (7)Puerta d. (WC)Alvaro Raposo De Oliveira [PER] | 6-0 6-0 | | | | | | | | | |
6‑Oct‑2008 | Asuncion CH | Clay | R32 | 167 | 201 | Sebastian Decoud [ARG] d. Puerta | 3-6 6-3 6-4 | | | | | | | | | |
22‑Sep‑2008 | Bogota CH | Clay | QF | 162 | 116 | (4)Alejandro Falla [COL] d. (8)Puerta | 6-3 7-6(4) | | | | | | | | | |
22‑Sep‑2008 | Bogota CH | Clay | R16 | 162 | 214 | (8)Puerta d. Victor Estrella [DOM] | 7-6(3) 4-1 RET | | | | | | | | | |
22‑Sep‑2008 | Bogota CH | Clay | R32 | 162 | 486 | (8)Puerta d. (Q)Eric Nunez [USA] | 6-3 6-2 | | | | | | | | | |
15‑Sep‑2008 | Cali CH | Clay | R32 | 161 | 280 | Frederic Niemeyer [CAN] d. (6)Puerta | 2-6 7-6(5) 6-4 | | | | | | | | | |
8‑Sep‑2008 | Quito CH | Clay | R32 | 162 | 559 | Alejandro Gonzalez [COL] d. (3)Puerta | 7-6(9) 6-3 | | | | | | | | | |
25‑Aug‑2008 | Almaty CH | Clay | QF | 170 | 314 | (8)Alexander Flock [GER] d. (4)Puerta | 6-1 6-2 | | | | | | | | | |
25‑Aug‑2008 | Almaty CH | Clay | R16 | 170 | | (4)Puerta d. (Q)Martin Sinner [GER] | 6-3 6-1 | | | | | | | | | |
25‑Aug‑2008 | Almaty CH | Clay | R32 | 170 | 410 | (4)Puerta d. Evgeny Kirillov [RUS] | 6-1 6-2 | | | | | | | | | |
18‑Aug‑2008 | Geneva CH | Clay | QF | 178 | 144 | (2)Yuri Schukin [KAZ] d. (6)Puerta | 6-1 6-3 | | | | | | | | | |
18‑Aug‑2008 | Geneva CH | Clay | R16 | 178 | 334 | (6)Puerta d. Damian Patriarca [ARG] | 4-6 6-2 6-4 | | | | | | | | | |
18‑Aug‑2008 | Geneva CH | Clay | R32 | 178 | 299 | (6)Puerta d. Michael Ryderstedt [SWE] | 6-7(1) 6-2 6-3 | | | | | | | | | |
11‑Aug‑2008 | Vigo CH | Clay | R32 | 159 | 95 | (3)Diego Junqueira [ARG] d. Puerta | 1-6 6-3 6-2 | | | | | | | | | |
4‑Aug‑2008 | Samarkand CH | Clay | R32 | 160 | 404 | Vladimir Obradovic [SRB] d. (1)Puerta | 6-7(6) 7-6(5) 6-4 | | | | | | | | | |
7‑Jul‑2008 | Bogota CH | Clay | F | 189 | 267 | (4)Puerta d. Ricardo Hocevar [BRA] | 7-6(2) 7-5 | | | | | | | | | |
7‑Jul‑2008 | Bogota CH | Clay | SF | 189 | 330 | (4)Puerta d. Andre Miele [BRA] | 6-4 6-1 | | | | | | | | | |
7‑Jul‑2008 | Bogota CH | Clay | QF | 189 | 215 | (4)Puerta d. (7)Ricardo Mello [BRA] | 6-4 6-3 | | | | | | | | | |
7‑Jul‑2008 | Bogota CH | Clay | R16 | 189 | 383 | (4)Puerta d. Juan Sebastian Cabal [COL] | 4-6 7-6(1) 6-4 | | | | | | | | | |
7‑Jul‑2008 | Bogota CH | Clay | R32 | 189 | 281 | (4)Puerta d. Santiago Gonzalez [MEX] | 6-4 3-6 6-4 | | | | | | | | | |
23‑Jun‑2008 | Reggio Emilia CH | Clay | R32 | 185 | 153 | Leonardo Mayer [ARG] d. Puerta | 6-7(6) 7-5 6-4 | | | | | | | | | |
16‑Jun‑2008 | Recanati CH | Hard | R32 | 186 | 335 | Marko Tkalec [SLO] d. (3)Puerta | 7-6(4) 5-7 7-6(3) | | | | | | | | | |
9‑Jun‑2008 | Sofia CH | Clay | R32 | 187 | 287 | Rui Machado [POR] d. (4)Puerta | 6-4 4-6 6-4 | | | | | | | | | |
2‑Jun‑2008 | Sassuolo CH | Clay | QF | 195 | 267 | David Marrero [ESP] d. Puerta | 5-7 6-1 6-1 | | | | | | | | | |
2‑Jun‑2008 | Sassuolo CH | Clay | R16 | 195 | 214 | Puerta d. Matwe Middelkoop [NED] | 6-3 6-2 | | | | | | | | | |
2‑Jun‑2008 | Sassuolo CH | Clay | R32 | 195 | 152 | Puerta d. (8)Denis Istomin [UZB] | 6-2 6-3 | | | | | | | | | |
12‑May‑2008 | Bradenton CH | Clay | QF | 208 | 164 | (3)Jesse Levine [CAN] d. (7)Puerta | 6-2 6-4 | | | | | | | | | |
12‑May‑2008 | Bradenton CH | Clay | R16 | 208 | 295 | (7)Puerta d. Victor Estrella [DOM] | 6-3 6-4 | | | | | | | | | |
12‑May‑2008 | Bradenton CH | Clay | R32 | 208 | 305 | (7)Puerta d. Carlos Salamanca [COL] | 6-3 7-5 | | | | | | | | | |
5‑May‑2008 | Tunica Resorts CH | Clay | R32 | 206 | 291 | Izak Van Der Merwe [RSA] d. Puerta | 6-3 RET | | | | | | | | | |
21‑Apr‑2008 | Bermuda CH | Clay | R32 | 204 | 167 | Harel Levy [ISR] d. Puerta | 6-2 6-3 | | | | | | | | | |
14‑Apr‑2008 | Mexico City CH | Hard | R32 | 204 | 465 | George Bastl [SUI] d. (4)Puerta | 6-3 6-1 | | | | | | | | | |
17‑Mar‑2008 | San Luis Potosi CH | Clay | F | 264 | 162 | (5)Brian Dabul [ARG] d. Puerta | W/O | | | | | | | | | |
17‑Mar‑2008 | San Luis Potosi CH | Clay | SF | 264 | 494 | Puerta d. (WC)Santiago Gonzalez [MEX] | 6-4 6-4 | | | | | | | | | |
17‑Mar‑2008 | San Luis Potosi CH | Clay | QF | 264 | 155 | Puerta d. (4)Fernando Vicente [ESP] | 6-4 7-6(5) | | | | | | | | | |
17‑Mar‑2008 | San Luis Potosi CH | Clay | R16 | 264 | 253 | Puerta d. Paolo Lorenzi [ITA] | 6-1 6-4 | | | | | | | | | |
17‑Mar‑2008 | San Luis Potosi CH | Clay | R32 | 264 | 268 | Puerta d. Ryan Sweeting [USA] | 6-1 7-6(5) | | | | | | | | | |
3‑Mar‑2008 | Bogota CH | Clay | R32 | 262 | 130 | (7)Ivan Navarro [ESP] d. (WC)Puerta | 6-3 6-7(4) 7-6(5) | | | | | | | | | |
25‑Feb‑2008 | Santiago CH | Clay | R32 | 259 | 210 | Marc Lopez [ESP] d. Puerta | 7-6(5) 6-2 | | | | | | | | | |
14‑Jan‑2008 | La Serena CH | Clay | R32 | 261 | 171 | (5)Eduardo Schwank [ARG] d. Puerta | 6-1 6-4 | | | | | | | | | |