| 2006-09-25 | Palermo | Clay | QF | 47 |  Nicolas Almagro (4) | 102 |  Martin Vassallo Arguello | 6-2 6-2 | H2H | 3 | 97 | 6 | 1 | 55.4% | 74.2% | 64.0% | 3/3 |
| 2006-09-25 | Palermo | Clay | R16 | 102 | Martin Vassallo Arguello | 153 | Oscar Hernandez (LL) | 2-6 6-4 6-4 | H2H | 3 | 125 | 5 | 3 | 56.9% | 73.2% | 51.6% | 2/6 |
| 2006-09-25 | Palermo | Clay | R32 | 102 | Martin Vassallo Arguello | 180 | Juan-Pablo Guzman (Q) | 2-6 6-3 7-5 | H2H | 3 | 115 | 0 | 5 | 70.9% | 72.1% | 56.0% | 5/8 |
| 2006-09-11 | Bucharest | Clay | R16 | 44 |  Florent Serra (2) | 108 | Martin Vassallo Arguello | 6-4 6-1 | H2H | 3 | 79 | 1 | 1 | 59.5% | 84.0% | 70.6% | 3/3 |
| 2006-09-11 | Bucharest | Clay | R32 | 108 | Martin Vassallo Arguello | 163 |  Razvan Sabau (WC) | 6-3 1-6 6-3 | H2H | 3 | 120 | 8 | 2 | 69.1% | 63.1% | 55.2% | 10/13 |
| 2006-07-31 | Sopot | Clay | R16 | 34 | Juan Ignacio Chela (5) | 111 | Martin Vassallo Arguello (Q) | 6-2 6-1 | H2H | 3 | 75 | 1 | 0 | 51.4% | 78.9% | 77.8% | 1/1 |
| 2006-07-31 | Sopot | Clay | R32 | 111 | Martin Vassallo Arguello (Q) | 90 |  Marcos Daniel | 6-4 2-0 RET | H2H | 3 | 80 | 2 | 0 | 65.4% | 88.2% | 55.6% | 0/1 |
| 2006-07-24 | Kitzbuhel | Clay | R32 | 50 |  Mikhail Youzhny (8) | 117 | Martin Vassallo Arguello | 0-6 6-4 7-6(2) | H2H | 3 | 117 | 2 | 4 | 58.3% | 71.4% | 40.0% | 2/7 |
| 2006-07-24 | Kitzbuhel | Clay | R64 | 117 | Martin Vassallo Arguello | 118 |  Dick Norman | 6-0 6-4 | H2H | 3 | 75 | 0 | 1 | 67.3% | 74.3% | 58.8% | 7/7 |
| 2006-05-29 | Roland Garros | Clay | R16 | 3 | David Nalbandian (3) | 181 | Martin Vassallo Arguello (Q) | 6-4 6-4 6-4 | H2H | 5 | 130 | 1 | 4 | 62.8% | 66.1% | 54.3% | 4/7 |
