Round: 25 Ground: Hardcourt indoor
| Challenger Brest | 2015/10/23 12:50 | Igor Sijsling v Luca Vanni | 5-7,6-4,6-7 |
| Challenger Brest | 2015/10/22 11:45 | Igor Sijsling v Maxime Tabatruong | 6-2,6-0 |
| Challenger Brest | 2015/10/20 14:40 | John-Patrick Smith v Igor Sijsling | 7-6,6-7,4-6 |
| Challenger Orleans | 2015/09/30 20:10 | Igor Sijsling v Marco Chiudinelli | 3-6,7-5,3-6 |
| Challenger Como | 2015/09/01 09:30 | Fernando Romboli v Igor Sijsling | 6-3,1-6,6-3 |
| US Open Qual | 2015/08/26 17:30 | Nicolas Almagro v Igor Sijsling | 7-6,6-3 |
| Wimbledon | 2015/06/30 13:05 | Sam Querrey v Igor Sijsling | 7-5,6-3,6-4 |
| Wimbledon Qual | 2015/06/24 10:00 | Jurgen Melzer v Igor Sijsling | 6-1,5-7,3-6 |
| ITF USA F35 | 2015/12/05 15:30 | Eric Quigley v Daniel Nguyen | 5-7,1-6 |
| ITF USA F35 | 2015/12/04 17:00 | Adam El Mihdawy v Eric Quigley | 1-6,1-6 |
| ITF USA F35 | 2015/12/03 18:40 | Patrick Daciek v Eric Quigley | 6-7,3-6 |
| ITF USA F35 | 2015/12/01 21:00 | Michael Shabaz v Eric Quigley | 6-7,6-7 |
| Challenger Knoxville | 2015/11/11 18:40 | Jared Donaldson v Eric Quigley | 6-4,4-6,6-4 |
| Challenger Charlottesville | 2015/11/03 15:00 | Noah Rubin v Eric Quigley | 3-6,7-6,6-4 |
| Challenger Las Vegas | 2015/10/21 20:15 | Jared Donaldson v Eric Quigley | 6-2,2-6,7-6 |
| Challenger Las Vegas Qual | 2015/10/19 17:00 | Eric Quigley v Takanyi Garanganga | 6-1,6-2 |