| 2015-09-18 | Davis Cup WG PO: COL vs JPN | Clay | RR | 6 |  Kei Nishikori | 123 |  Alejandro Falla | 7-6(3) 7-6(1) 7-5 | H2H | 5 | - | - | - | - | - | - | - |
| 2015-09-18 | Davis Cup WG PO: COL vs JPN | Clay | RR | 124 | Taro Daniel | 123 | Alejandro Falla | 7-6(3) 6-3 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 2015-07-20 | Bogota | Hard | R32 | 86 |  Rajeev Ram | 120 | Alejandro Falla | 6-4 3-6 6-3 | H2H | 3 | 94 | 11 | 1 | 69.0% | 68.3% | 63.0% | 2/3 |
| 2015-07-13 | Newport | Grass | R16 | 237 |  Jan Hernych (Q) | 122 | Alejandro Falla | 7-6(5) 6-7(6) 7-6(7) | H2H | 3 | 170 | 7 | 5 | 70.3% | 63.7% | 60.5% | 8/11 |
| 2015-07-13 | Newport | Grass | R32 | 122 | Alejandro Falla | 114 |  Adrian Menendez-Maceiras | 6-1 7-5 | H2H | 3 | 88 | 2 | 2 | 45.7% | 71.9% | 52.6% | 3/5 |
| 2015-06-29 | Wimbledon | Grass | R128 | 78 |  Robin Haase | 130 | Alejandro Falla (Q) | 6-2 3-6 6-4 6-2 | H2H | 5 | 100 | 10 | 5 | 56.1% | 73.3% | 53.2% | 6/8 |
| 2015-06-15 | Halle | Grass | R16 | 51 |  Jerzy Janowicz | 147 | Alejandro Falla (Q) | 6-2 5-7 6-2 | H2H | 3 | 118 | 6 | 4 | 70.2% | 72.7% | 42.9% | 7/9 |
| 2015-06-15 | Halle | Grass | R32 | 147 | Alejandro Falla (Q) | 94 |  Lukas Lacko (Q) | 6-4 3-6 6-1 | H2H | 3 | 88 | 12 | 0 | 65.8% | 76.0% | 53.8% | 5/7 |
| 2015-05-24 | Roland Garros | Clay | R128 | 2 |  Roger Federer (2) | 109 | Alejandro Falla (LL) | 6-3 6-3 6-4 | H2H | 5 | 110 | 8 | 0 | 71.6% | 77.6% | 65.2% | 2/2 |
| 2015-05-03 | Madrid Masters | Clay | R64 | 24 |  Philipp Kohlschreiber | 118 | Alejandro Falla (Q) | 6-1 6-4 | H2H | 3 | 59 | 6 | 0 | 73.3% | 75.8% | 66.7% | 1/2 |
