Stadium: Pista 8 Round: 26 Ground: Clay
| ITF M25 Fort Worth MD | 2019/10/22 20:00 | Fearnley/Gray v De Jong/Nijboer | 6-4,3-6,10-5 |
| ITF M25 Waco MD | 2019/10/19 19:05 | Geerts/Whitehouse v De Jong/Nijboer | 6-7,1-6 |
| ITF M25 Waco MD | 2019/10/18 19:05 | De Jong/Nijboer v Bradley/Findel-Hawkins | 6-2,6-4 |
| ITF M25 Waco MD | 2019/10/17 23:15 | Farren/Mchugh v De Jong/Nijboer | 6-4,2-6,5-10 |
| ITF M25 Waco MD | 2019/10/16 22:40 | Maginley/Roberts v De Jong/Nijboer | 1-6,6-3,7-10 |
| ITF M25 Falun MD | 2019/10/02 16:25 | De Jong/Nijboer v Kopp/Veldheer | 7-6,6-3 |
| ITF M15 Pajulahti MD | 2019/09/21 08:00 | De Jong/Nijboer v Catarina/Crepatte | 4-6,6-1,5-10 |
| ITF M15 Pajulahti MD | 2019/09/20 12:00 | De Jong/Nijboer v Jorda Sanchis/Strombachs | 7-6,6-3 |