Round: 25 Ground: Grass
| ATP Ginebra | 2015/05/22 10:00 | Thomaz Bellucci v Santiago Giraldo | 6-3,6-4 |
| ATP Ginebra | 2015/05/21 10:00 | Santiago Giraldo v Marin Cilic | 7-5,6-3 |
| ATP Ginebra | 2015/05/19 11:20 | Mikhail Youzhny v Santiago Giraldo | 4-6,4-6 |
| ATP Ginebra | 2015/05/17 14:10 | Ricardas Berankis v Santiago Giraldo | 3-6,7-6,3-6 |
| ATP Madrid | 2015/05/04 16:15 | Fabio Fognini v Santiago Giraldo | 6-2,6-3 |
| ATP Barcelona | 2015/04/23 09:00 | Kei Nishikori v Santiago Giraldo | 6-2,6-1 |
| ATP Barcelona | 2015/04/22 09:00 | Joao Sousa v Santiago Giraldo | 3-6,6-3,1-6 |
| ATP Houston | 2015/04/10 23:50 | Santiago Giraldo v Jack Sock | 4-6,4-6 |
| ATP Madrid | 2015/05/05 17:25 | Ivo Karlovic v Richard Gasquet | 3-6,4-6 |
| ATP Miami | 2015/03/28 18:50 | Alejandro Falla v Ivo Karlovic | 6-4,6-2 |
| ATP Delray Beach | 2015/02/22 20:00 | Ivo Karlovic v Donald Young | 6-3,6-3 |
| ATP Delray Beach | 2015/02/22 01:00 | Adrian Mannarino v Ivo Karlovic | 3-6,4-6 |
| ATP Delray Beach | 2015/02/21 01:00 | Ivo Karlovic v Steve Johnson | 6-2,7-6 |
| ATP Delray Beach | 2015/02/18 17:30 | Ivo Karlovic v Thanasi Kokkinakis | 7-6,7-6 |
| ATP Delray Beach | 2015/02/17 01:00 | Ivo Karlovic v Dustin Brown | 6-3,6-7,6-2 |
| ATP Memphis | 2015/02/11 18:15 | Austin Krajicek v Ivo Karlovic | 7-6,4-6,6-4 |