Stadium: Court 15 Round: 29 Ground: Hardcourt indoor
| Challenger Amersfoort | 2019/07/17 13:35 | Igor Sijsling v Johan Sebastien Tatlot | 6-3,7-5 |
| ITF M25 Plaisir | 2020/09/19 12:30 | Johan Sebastien Tatlot v Daniel Cukierman | 6-4,5-7,7-5 |
| ITF M25 Plaisir | 2020/09/18 12:40 | Louis Dussin v Johan Sebastien Tatlot | 4-6,3-6 |
| ITF M25 Plaisir | 2020/09/17 14:40 | George Loffhagen v Johan Sebastien Tatlot | 6-4,6-7,1-6 |
| ITF M25 Plaisir | 2020/09/16 08:00 | Johan Sebastien Tatlot v Edan Leshem | 6-2,6-4 |
| ITF M25 Palm Coast | 2020/02/05 19:40 | Agustin Velotti v Johan Sebastien Tatlot | 7-6,6-3 |
| ITF M25 Palm Coast | 2020/02/04 17:10 | Johan Sebastien Tatlot v Toby Alex Kodat | 6-2,6-1 |
| ITF M25 Weston | 2020/01/30 14:55 | Christian Lindell v Johan Sebastien Tatlot | 6-3,6-4 |
| ITF M25 Weston | 2020/01/29 16:00 | Johan Sebastien Tatlot v Jaume Pla Malfeito | 6-1,6-3 |
| ITF M25 Plaisir | 2020/09/19 15:25 | Yannick Mertens v Igor Sijsling | 1-6,6-7 |
| ITF M25 Plaisir | 2020/09/18 11:00 | Igor Sijsling v Guilherme Clezar | 6-4,6-4 |
| ITF M25 Plaisir | 2020/09/17 10:55 | Igor Sijsling v Lucas Poullain | 6-2,6-7,6-2 |
| ITF M25 Plaisir | 2020/09/16 11:00 | Igor Sijsling v Boris Fassbender | 6-1,6-3 |
| ITF M15 Alkmaar | 2020/08/30 13:00 | Igor Sijsling v Jacopo Berrettini | 6-2,6-1 |
| ITF M15 Alkmaar | 2020/08/29 13:30 | Igor Sijsling v Jesper De Jong | 6-3,6-2 |
| ITF M15 Alkmaar | 2020/08/28 15:45 | Igor Sijsling v Shintaro Mochizuki | 6-1,6-1 |
| ITF M15 Alkmaar | 2020/08/27 15:50 | Igor Sijsling v Pol Martin Tiffon | 6-4,6-4 |