Round: 26 Ground: Clay
| Challenger Savannah | 2015/04/21 18:00 | Horacio Zeballos v Facundo Arguello | 4-6,3-6 |
| Challenger Sarasota | 2015/04/16 15:00 | Facundo Arguello v James McGee | 1-6,7-5,5-7 |
| Challenger Sarasota | 2015/04/14 19:55 | Tim Smyczek v Facundo Arguello | 4-6,2-6 |
| ATP Houston | 2015/04/07 18:30 | Hyeon Chung v Facundo Arguello | 6-3,7-5 |
| ATP Houston Qual | 2015/04/05 21:50 | Andrea Collarini v Facundo Arguello | 6-7,5-7 |
| ATP Miami Qual | 2015/03/23 20:30 | Facundo Arguello v Robin Haase | 6-1,3-6,2-6 |
| ATP Buenos Aires | 2015/02/26 00:00 | Rafael Nadal v Facundo Arguello | 6-4,6-0 |
| ATP Buenos Aires | 2015/02/24 18:50 | Facundo Arguello v Albert Montanes | 6-3,6-2 |
| Challenger Savannah | 2015/04/20 18:05 | Jason Kubler v Jared Donaldson | 4-6,3-6 |
| Challenger Sarasota | 2015/04/17 22:30 | Jared Donaldson v Federico Delbonis | 2-6,3-6 |
| Challenger Sarasota | 2015/04/15 15:00 | Jared Donaldson v Gastao Elias | 6-2,6-4 |
| Challenger Sarasota | 2015/04/13 23:00 | Radek Stepanek v Jared Donaldson | 3-6,6-7 |
| ATP Houston Qual | 2015/04/05 22:00 | Denis Kudla v Jared Donaldson | 6-3,6-3 |
| ATP Houston Qual | 2015/04/04 20:25 | Jared Donaldson v Gastao Elias | 7-6,3-6,6-4 |
| ATP Delray Beach Qual | 2015/02/14 20:05 | John-Patrick Smith v Jared Donaldson | 6-4,6-4 |
| ATP Memphis | 2015/02/11 20:30 | Jared Donaldson v Sam Querrey | 4-6,1-6 |