| 22‑Nov‑2010 | Buenos Aires2 CH | Clay | R16 | 1404 | 309 | Andres Molteni [ARG] d. Hartfield | 6-1 6-2 | | 0.52 | 0.0% | 5.1% | 66.7% | 57.7% | 30.8% | 3/7 | 1:09 |
| 22‑Nov‑2010 | Buenos Aires2 CH | Clay | R32 | 1404 | 77 | Hartfield d. (2)Ruben Ramirez Hidalgo [ESP] | 6-1 6-3 | | 1.39 | 4.8% | 4.8% | 72.6% | 68.9% | 41.2% | 3/4 | 1:43 |
| 1‑Nov‑2010 | Argentina F22 | Clay | R16 | 1739 | 405 | (4)Marco Trungelliti [ARG] d. (WC)Hartfield | 6-7(4) 7-6(4) 6-3 | | | | | | | | | |
| 1‑Nov‑2010 | Argentina F22 | Clay | R32 | 1739 | | (WC)Hartfield d. (Q)Matias Omar Tello [ARG] | 3-6 6-0 6-1 | | | | | | | | | |
| 25‑Oct‑2010 | Sao Paulo2 CH | Clay | R32 | 1732 | 129 | (7)Yuri Schukin [KAZ] d. Hartfield | 6-3 7-5 | | 0.73 | 5.8% | 7.2% | 56.5% | 69.2% | 40.0% | 9/13 | 1:36 |
| 4‑Oct‑2010 | Buenos Aires CH | Clay | R32 | 1730 | 209 | Juan Pablo Brzezicki [ARG] d. Hartfield | 6-0 5-7 7-5 | | 0.73 | 0.0% | 0.0% | 57.3% | 64.4% | 34.1% | 7/14 | 2:28 |
| 27‑Sep‑2010 | Cali CH | Clay | R32 | 1703 | 333 | Pablo Galdon [ARG] d. Hartfield | 6-4 4-2 RET | | 0.75 | 2.4% | 12.2% | 73.2% | 70.0% | 27.3% | 1/4 | 0:56 |
| 20‑Sep‑2010 | Bogota3 CH | Clay | R32 | 1650 | 382 | Rodrigo Guidolin [BRA] d. Hartfield | 6-2 RET | | 0.22 | 2.9% | 5.9% | 70.6% | 62.5% | 20.0% | 1/3 | 0:36 |
| 6‑Sep‑2010 | Genova CH | Clay | R32 | 1343 | 496 | (WC)Walter Trusendi [ITA] d. Hartfield | 6-3 6-2 | | 0.68 | 2.1% | 6.4% | 61.7% | 55.2% | 33.3% | 4/9 | 1:30 |
| 23‑Aug‑2010 | Manerbio CH | Clay | R32 | 1294 | 110 | (3)Steve Darcis [BEL] d. Hartfield | 6-4 6-4 | | 0.80 | 5.1% | 3.4% | 67.8% | 70.0% | 52.6% | 1/3 | 1:23 |
| 16‑Aug‑2010 | Italy F22 | Clay | R32 | 1293 | 335 | Matthias Bachinger [GER] d. (Q)Hartfield | 4-6 6-3 6-0 | | | | | | | | | |
| 21‑Jun‑2010 | Argentina F10 | Clay | R16 | 1448 | 433 | (5)Agustin Picco [ARG] d. (WC)Hartfield | 4-6 6-4 7-6(3) | | | | | | | | | |
| 21‑Jun‑2010 | Argentina F10 | Clay | R32 | 1448 | 742 | (WC)Hartfield d. Guillermo Bujniewicz [ARG] | 6-3 6-2 | | | | | | | | | |