Round: 23 Ground: Hardcourt outdoor
| ATP Washington | 2015/08/04 20:00 | Lukas Lacko v Steve Johnson | 5-7,3-6 |
| ATP Newport | 2015/07/15 17:30 | Lukas Lacko v Jack Sock | 6-3,6-7,4-6 |
| ATP Newport | 2015/07/14 15:00 | Niels Desein v Lukas Lacko | 3-6,6-3,2-6 |
| Wimbledon | 2015/06/29 14:25 | Lukas Lacko v Steve Johnson | 3-6,7-6,6-4,1-6,4-6 |
| ATP Halle | 2015/06/15 13:50 | Alejandro Falla v Lukas Lacko | 6-4,3-6,6-1 |
| ATP Halle Qual | 2015/06/14 11:30 | Lukas Lacko v Jurgen Melzer | 4-6,6-3,7-5 |
| ATP Halle Qual | 2015/06/13 13:50 | Lukas Lacko v Peter Gojowczyk | 7-6,3-6,6-4 |
| ATP Miami Qual | 2015/03/23 19:30 | Lukas Lacko v Denis Kudla | 6-7,6-4,7-5 |
| Challenger Segovia | 2015/08/08 09:50 | Marcel Granollers v Evgeny Donskoy | 2-6,6-7 |
| Challenger Segovia | 2015/08/07 10:50 | Marcel Granollers v Yannick Mertens | 6-2,6-4 |
| Challenger Segovia | 2015/08/04 16:00 | Marcel Granollers v Caio Zampieri | 6-1,6-1 |
| ATP Umag | 2015/07/21 18:00 | Borna Coric v Marcel Granollers | 6-3,6-3 |
| Wimbledon | 2015/07/01 14:40 | Leonardo Mayer v Marcel Granollers | 6-3,7-6,6-3 |
| Wimbledon | 2015/06/29 10:30 | Janko Tipsarevic v Marcel Granollers | 3-6,4-6,2-6 |
| ATP Madrid | 2015/05/07 18:45 | Marcel Granollers v Andy Murray | 2-6,0-6 |
| ATP Madrid | 2015/05/06 17:50 | Gael Monfils v Marcel Granollers | 6-7,7-6,4-6 |