13‑Oct‑2008 | Montevideo CH | Clay | R32 | 196 | 148 | Diego Hartfield [ARG] d. (Q)Marrero | 6-4 6-1 | | | | | | | | | |
6‑Oct‑2008 | Asuncion CH | Clay | R16 | 193 | 151 | (6)Franco Ferreiro [BRA] d. Marrero | 6-4 6-0 | | | | | | | | | |
6‑Oct‑2008 | Asuncion CH | Clay | R32 | 193 | 1315 | Marrero d. (WC)Gustavo Ramirez [PAR] | 7-6(8) 6-4 | | | | | | | | | |
29‑Sep‑2008 | Tarragona CH | Clay | R32 | 194 | 206 | Matwe Middelkoop [NED] d. Marrero | 6-3 6-1 | | | | | | | | | |
22‑Sep‑2008 | Napoli CH | Clay | R16 | 199 | 76 | (1)Potito Starace [ITA] d. Marrero | 2-6 7-6(3) 6-3 | | | | | | | | | |
22‑Sep‑2008 | Napoli CH | Clay | R32 | 199 | 186 | Marrero d. Mathieu Montcourt [FRA] | 6-4 6-4 | | | | | | | | | |
15‑Sep‑2008 | Szczecin CH | Clay | R32 | 195 | 223 | Lukasz Kubot [POL] d. Marrero | 6-3 6-2 | | | | | | | | | |
8‑Sep‑2008 | Seville CH | Clay | R32 | 196 | 118 | Santiago Ventura [ESP] d. Marrero | 7-5 6-2 | | | | | | | | | |
1‑Sep‑2008 | Brasov CH | Clay | R16 | 199 | 409 | Luca Vanni [ITA] d. (8)Marrero | 6-3 3-6 6-3 | | | | | | | | | |
1‑Sep‑2008 | Brasov CH | Clay | R32 | 199 | 243 | (8)Marrero d. Somdev Devvarman [IND] | 6-4 1-6 6-4 | | | | | | | | | |
25‑Aug‑2008 | US Open Q | Hard | Q1 | 199 | 488 | (WC)Ricardas Berankis [LTU] d. Marrero | 5-7 6-3 7-5 | | | | | | | | | |
11‑Aug‑2008 | Vigo CH | Clay | R32 | 198 | 371 | (Q)Marco Crugnola [ITA] d. Marrero | 6-2 6-2 | | | | | | | | | |
28‑Jul‑2008 | Timisoara CH | Clay | R16 | 207 | 994 | (Q)Malek Jaziri [TUN] d. (6)Marrero | 7-5 4-6 6-3 | | | | | | | | | |
28‑Jul‑2008 | Timisoara CH | Clay | R32 | 207 | 301 | (6)Marrero d. Jeroen Masson [BEL] | 7-6(4) 6-3 | | | | | | | | | |
14‑Jul‑2008 | Amersfoort | Clay | R32 | 203 | 115 | Christophe Rochus [BEL] d. (Q)Marrero | 7-5 6-2 | | 0.72 | 12.3% | 3.1% | 64.6% | 57.1% | 39.1% | 6/11 | 1:27 |
14‑Jul‑2008 | Amersfoort Q | Clay | Q2 | 203 | 777 | (1)Marrero d. Irakli Labadze [GEO] | 7-5 4-6 6-0 | | | | | | | | | |
7‑Jul‑2008 | Scheveningen CH | Clay | R32 | 197 | 192 | Daniel Munoz De La Nava [ESP] d. Marrero | 6-3 2-0 RET | | | | | | | | | |
30‑Jun‑2008 | Lugano CH | Clay | R16 | 183 | 100 | (6)Nicolas Devilder [FRA] d. Marrero | 6-1 6-1 | | | | | | | | | |
30‑Jun‑2008 | Lugano CH | Clay | R32 | 183 | 147 | Marrero d. Edouard Roger Vasselin [FRA] | 6-7(3) 7-5 6-4 | | | | | | | | | |
23‑Jun‑2008 | Wimbledon Q | Grass | Q2 | 183 | 294 | Santiago Gonzalez [MEX] d. Marrero | 6-4 4-6 6-4 | | | | | | | | | |
23‑Jun‑2008 | Wimbledon Q | Grass | Q1 | 183 | 198 | Marrero d. Tomas Zib [CZE] | 4-6 7-5 6-3 | | | | | | | | | |
2‑Jun‑2008 | Sassuolo CH | Clay | SF | 267 | 134 | (6)Frederico Gil [POR] d. Marrero | 6-2 6-1 | | | | | | | | | |
2‑Jun‑2008 | Sassuolo CH | Clay | QF | 267 | 195 | Marrero d. Mariano Puerta [ARG] | 5-7 6-1 6-1 | | | | | | | | | |
2‑Jun‑2008 | Sassuolo CH | Clay | R16 | 267 | 89 | Marrero d. (1)Fabio Fognini [ITA] | 6-2 6-4 | | | | | | | | | |
2‑Jun‑2008 | Sassuolo CH | Clay | R32 | 267 | 235 | Marrero d. Gabriel Trujillo Soler [ESP] | 6-1 2-0 RET | | | | | | | | | |
25‑May‑2008 | Roland Garros | Clay | R64 | 267 | 46 | Mario Ancic [CRO] d. (Q)Marrero | 4-6 6-0 6-3 6-2 | | 0.65 | 0.9% | 1.9% | 50.0% | 61.1% | 48.1% | 5/11 | 2:42 |
25‑May‑2008 | Roland Garros | Clay | R128 | 267 | 283 | (Q)Marrero d. (Q)Victor Crivoi [ROU] | 6-3 6-3 5-7 6-4 | | 1.29 | 4.2% | 0.8% | 68.6% | 67.9% | 81.1% | 5/7 | 2:33 |
25‑May‑2008 | Roland Garros Q | Clay | Q3 | 267 | 158 | Marrero d. Bjorn Phau [GER] | 6-3 7-5 | | | | | | | | | |
25‑May‑2008 | Roland Garros Q | Clay | Q2 | 267 | 136 | Marrero d. (18)Mikhail Kukushkin [KAZ] | 1-6 6-3 7-5 | | | | | | | | | |
25‑May‑2008 | Roland Garros Q | Clay | Q1 | 267 | 183 | Marrero d. Fernando Vicente [ESP] | 6-4 7-5 | | | | | | | | | |
12‑May‑2008 | Aarhus CH | Clay | R32 | 268 | 228 | Filip Prpic [SWE] d. Marrero | 6-4 6-4 | | | | | | | | | |
5‑May‑2008 | Telde CH | Clay | R16 | 253 | 281 | Louk Sorensen [IRL] d. Marrero | 6-0 6-1 | | | | | | | | | |
5‑May‑2008 | Telde CH | Clay | R32 | 253 | 127 | Marrero d. (3)Rik De Voest [RSA] | 6-4 6-0 | | | | | | | | | |
28‑Apr‑2008 | Lanzarote CH | Hard | R16 | 261 | 162 | (7)Robert Smeets [AUS] d. Marrero | 6-4 6-1 | | | | | | | | | |
28‑Apr‑2008 | Lanzarote CH | Hard | R32 | 261 | 213 | Marrero d. Lukasz Kubot [POL] | 7-6(5) 1-6 7-6(4) | | | | | | | | | |
14‑Apr‑2008 | Valencia | Clay | R32 | 270 | 80 | Santiago Ventura [ESP] d. (Q)Marrero | 7-6(3) 7-6(6) | | 0.92 | 5.2% | 1.0% | 65.6% | 71.4% | 51.5% | 3/4 | 2:32 |
14‑Apr‑2008 | Valencia Q | Clay | Q3 | 270 | 151 | (8)Marrero d. (4)Mikhail Ledovskikh [RUS] | 6-3 6-2 | | | | | | | | | |
14‑Apr‑2008 | Valencia Q | Clay | Q2 | 270 | 1828 | (8)Marrero d. Marcelo Palacios Siegenthale [ESP] | 6-4 6-1 | | | | | | | | | |
14‑Apr‑2008 | Valencia Q | Clay | Q1 | 270 | 1487 | (8)Marrero d. Morgan Phillips [GBR] | 6-4 6-2 | | | | | | | | | |
7‑Apr‑2008 | Monza CH | Clay | QF | 302 | 56 | (1)Albert Montanes [ESP] d. (Q)Marrero | 6-4 6-1 | | | | | | | | | |
7‑Apr‑2008 | Monza CH | Clay | R16 | 302 | 104 | (Q)Marrero d. (6)Martin Vassallo Arguello [ARG] | 6-4 0-6 7-6(6) | | | | | | | | | |
7‑Apr‑2008 | Monza CH | Clay | R32 | 302 | 159 | (Q)Marrero d. Joseph Sirianni [AUS] | 6-4 6-3 | | | | | | | | | |
25‑Feb‑2008 | Santiago CH | Clay | R16 | 283 | 253 | Sebastian Decoud [ARG] d. Marrero | 6-4 6-2 | | | | | | | | | |
25‑Feb‑2008 | Santiago CH | Clay | R32 | 283 | 158 | Marrero d. (5)Brian Dabul [ARG] | 6-4 6-2 | | | | | | | | | |
18‑Feb‑2008 | Buenos Aires Q | Clay | Q1 | 280 | 260 | Horacio Zeballos [ARG] d. Marrero | 5-7 7-5 6-4 | | | | | | | | | |
11‑Feb‑2008 | Costa Do Sauipe Q | Clay | Q2 | 275 | 154 | Eduardo Schwank [ARG] d. Marrero | 2-6 7-6(4) 6-2 | | | | | | | | | |
11‑Feb‑2008 | Costa Do Sauipe Q | Clay | Q1 | 275 | 114 | Marrero d. (1)Maximo Gonzalez [ARG] | 6-4 6-4 | | | | | | | | | |
28‑Jan‑2008 | Vina del Mar | Clay | R16 | 289 | 104 | Fabio Fognini [ITA] d. (Q)Marrero | 6-4 6-7(5) 6-3 | | 0.81 | 3.9% | 1.0% | 62.1% | 65.6% | 56.4% | 8/11 | 2:12 |
28‑Jan‑2008 | Vina del Mar | Clay | R32 | 289 | 213 | (Q)Marrero d. (WC)Adrian Garcia [CHI] | 6-7(2) 7-6(3) 6-4 | | 1.09 | 9.7% | 4.4% | 65.5% | 68.9% | 64.1% | 3/4 | 2:52 |
28‑Jan‑2008 | Vina del Mar Q | Clay | Q3 | 289 | 115 | Marrero d. (2)Ruben Ramirez Hidalgo [ESP] | 3-6 6-3 7-5 | | | | | | | | | |
28‑Jan‑2008 | Vina del Mar Q | Clay | Q2 | 289 | 212 | Marrero d. (8)Gabriel Trujillo Soler [ESP] | 6-4 1-6 6-4 | | | | | | | | | |
28‑Jan‑2008 | Vina del Mar Q | Clay | Q1 | 289 | 443 | Marrero d. Martin Alund [ARG] | 6-3 6-4 | | | | | | | | | |
14‑Jan‑2008 | La Serena CH | Clay | F | 362 | 132 | (2)Ruben Ramirez Hidalgo [ESP] d. (Q)Marrero | 6-3 6-1 | | | | | | | | | |
14‑Jan‑2008 | La Serena CH | Clay | SF | 362 | 257 | (Q)Marrero d. Vasilis Mazarakis [GRE] | 5-7 7-5 6-4 | | | | | | | | | |
14‑Jan‑2008 | La Serena CH | Clay | QF | 362 | 111 | (Q)Marrero d. (1)Nicolas Lapentti [ECU] | 1-6 6-4 6-3 | | | | | | | | | |
14‑Jan‑2008 | La Serena CH | Clay | R16 | 362 | 187 | (Q)Marrero d. (7)Adrian Garcia [CHI] | 6-3 6-7(3) 6-2 | | | | | | | | | |
14‑Jan‑2008 | La Serena CH | Clay | R32 | 362 | 272 | (Q)Marrero d. Sebastian Decoud [ARG] | 7-6(4) 4-6 6-4 | | | | | | | | | |