Stadium: Court 15 Round: 26 Ground: Hardcourt indoor
| 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 |
| ITF M15 Alkmaar | 2020/08/26 11:00 | Igor Sijsling v Sidane Pontjodikromo | 6-1,6-0 |
| ITF M25 Vogau | 2020/08/21 11:15 | Igor Sijsling v Manuel Guinard | 1-6,3-6 |
| ITF M25 Vogau | 2020/08/20 12:55 | Tobias Simon v Igor Sijsling | 5-7,4-6 |
| ITF M25 Plaisir | 2020/09/16 10:30 | Hugo Pontico v Lucas Poullain | 4-6,2-6 |
| ITF M15 Sintra | 2020/09/08 08:30 | Roberto Ortega-Olmedo v Lucas Poullain | 6-7,7-6,6-3 |
| ITF M15 Toulouse | 2020/03/11 11:30 | Lucas Poullain v Paul Cayre | 3-6,2-6 |
| ITF M25 Glasgow | 2020/02/23 12:40 | Lucas Poullain v Jack Draper | 0-6,7-5,6-3 |
| ITF M25 Glasgow | 2020/02/22 11:25 | Lucas Poullain v Jesper De Jong | 7-6,6-1 |
| ITF M25 Glasgow | 2020/02/21 12:10 | Valentin Royer v Lucas Poullain | 2-6,6-7 |
| ITF M25 Glasgow | 2020/02/20 13:05 | Antoine Bellier v Lucas Poullain | 5-7,2-6 |
| ITF M25 Glasgow | 2020/02/18 10:00 | Lucas Poullain v Matteo Martineau | 6-4,6-4 |