Stadium: Van Mossel Kia Court Round: 25 Ground: Clay
| Challenger Amersfoort | 2019/07/16 08:00 | Julian Lenz v Igor Sijsling | 4-6,1-6 |
| Challenger Amersfoort | 2019/07/15 08:00 | Igor Sijsling v Sergio Martos Gornes | 6-1,6-1 |
| ITF M15 Den Haag | 2019/07/06 12:10 | Igor Sijsling v Matias Zukas | 6-7,6-1,3-6 |
| ITF M15 Den Haag | 2019/07/05 15:00 | Manuel Guinard v Igor Sijsling | 0-6,2-6 |
| ITF M15 Den Haag | 2019/07/04 16:00 | Bart Van Den Berg v Igor Sijsling | 3-6,2-6 |
| ITF M15 Den Haag | 2019/07/03 13:35 | Mats Hermans v Igor Sijsling | 2-6,1-6 |
| ITF M15 Alkmaar | 2019/06/28 14:35 | Jesper De Jong v Igor Sijsling | 7-6,3-6,6-4 |
| ITF M15 Alkmaar | 2019/06/27 15:15 | Michiel de Krom v Igor Sijsling | 3-6,3-6 |
| Challenger Blois | 2019/06/21 16:15 | Facundo Arguello v Johan Sebastien Tatlot | 6-4,6-0 |
| Challenger Blois | 2019/06/20 11:35 | Johan Sebastien Tatlot v Pedro Martinez | 1-6,7-6,7-5 |
| Challenger Blois | 2019/06/18 12:55 | Johan Sebastien Tatlot v Maxime Hamou | 6-3,6-4 |
| Challenger Lyon | 2019/06/12 16:00 | Johan Sebastien Tatlot v Pedro Sousa | 1-6,7-6,3-6 |
| Challenger Lyon | 2019/06/10 12:20 | Zdenek Kolar v Johan Sebastien Tatlot | 5-7,4-6 |
| French Open | 2019/05/22 14:15 | Johan Sebastien Tatlot v Mikael Ymer | 6-3,6-7,1-6 |
| French Open | 2019/05/20 08:00 | Tatsuma Ito v Johan Sebastien Tatlot | 2-6,6-7 |
| Challenger Lisbon | 2019/05/13 13:50 | Roberto Marcora v Johan Sebastien Tatlot | 4-6,7-5,6-3 |