Round: 26 Ground: Hardcourt indoor
| Wimbledon Qual | 2015/06/22 14:30 | Roberto Carballes Baena v Igor Sijsling | 4-6,7-5,3-6 |
| Challenger Heilbronn | 2015/05/12 11:35 | Yoshihito Nishioka v Igor Sijsling | 6-4,6-7,7-6 |
| Challenger St Brieuc | 2015/04/07 09:00 | Uladzimir Ignatik v Igor Sijsling | 2-6,6-4,6-4 |
| ATP Delray Beach | 2015/02/17 18:10 | Yoshihito Nishioka v Igor Sijsling | 7-5,6-1 |
| ATP Memphis | 2015/02/10 17:00 | Igor Sijsling v Bernard Tomic | 6-4,3-6,2-6 |
| ATP Chennai | 2015/01/06 10:30 | Elias Ymer v Igor Sijsling | 6-4,4-6,6-3 |
| Challenger Orleans | 2014/09/26 11:00 | Thomaz Bellucci v Igor Sijsling | 6-4,6-1 |
| Challenger Orleans | 2014/09/24 14:50 | Kenny de Schepper v Igor Sijsling | 4-6,6-3,3-6 |
| Wimbledon Qual | 2015/06/22 16:15 | Marco Chiudinelli v Albert Montanes | 6-3,4-6,10-8 |
| ATP Geneva | 2014/10/28 19:40 | Filip Krajinovic v Marco Chiudinelli | 6-4,6-7,6-3 |
| US Open | 2014/08/27 15:00 | Illya Marchenko v Marco Chiudinelli | 7-6,4-6,7-6,7-6 |
| US Open Qual | 2014/08/22 17:50 | Marco Chiudinelli v Hiroki Moriya | 6-1,6-7,6-1 |
| US Open Qual | 2014/08/21 15:00 | Malek Jaziri v Marco Chiudinelli | 3-6,7-6,1-6 |
| Challenger Segovia | 2014/08/02 15:50 | Adrian Mannarino v Marco Chiudinelli | 6-1,6-2 |
| Challenger Segovia | 2014/08/01 16:35 | Gerard Granollers-Pujol v Marco Chiudinelli | 3-6,6-7 |
| Challenger Segovia | 2014/07/30 11:30 | Antonio Cembellin Prieto v Marco Chiudinelli | 2-6,3-6 |