Round: 25 Ground: Hardcourt indoor
| US Open | 2015/08/31 16:35 | Lukas Lacko v Marcel Granollers | 2-6,3-6,1-6 |
| 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 |
| US Open Qual | 2015/08/27 22:05 | Alexander Zverev v Nils Langer | 6-4,6-7,6-3 |
| Challenger Marburg | 2015/07/04 13:00 | Inigo C Huegun v Nils Langer | 2-6,7-6,6-3 |
| Challenger Marburg | 2015/07/03 16:00 | Nils Langer v Daniel Brands | 6-2,6-4 |
| Challenger Marburg | 2015/07/01 16:05 | Nils Langer v Jason Kubler | 7-6,6-3 |
| Challenger Marburg | 2015/06/30 15:55 | Jurgen Zopp v Nils Langer | 6-7,3-6 |
| Challenger Perugia | 2015/06/16 08:00 | Marco Cecchinato v Nils Langer | 6-3,6-1 |
| ITF Italy F11 | 2015/05/29 14:40 | Nils Langer v Lorenzo Sonego | 4-6,2-6 |
| ITF Italy F11 | 2015/05/28 11:00 | Nils Langer v Matteo Trevisan | 6-1,3-6,7-6 |