Stadium: Court 7 Round: 44 Ground: Clay
| ITF M15 Alkmaar | 2020/08/23 08:30 | Weng, Jing Long v Raphael Collignon | 0-6,2-6 |
| ITF M15 Alkmaar | 2020/08/23 08:30 | Cheraag Bajwa v Eisinga, Zachary | 1-6,2-6 |
| ITF - M15 Antalya | 2020/03/09 08:00 | Eisinga, Zachary v Strom, Gustaf | 2-6,0-6 |
| ITF - M15 Antalya | 2020/03/08 08:00 | Eisinga, Zachary v Rudiukov, Ilya | 2-0 |
| ITF - M15 Sharm El Sheikh | 2019/11/22 08:00 | Ryan Nijboer v Eisinga, Zachary | 6-3,3-6,7-5 |
| ITF - M15 Sharm El Sheikh | 2019/11/21 09:15 | Eisinga, Zachary v Krainer, L. | 6-4,6-4 |
| ITF - M15 Sharm El Sheikh | 2019/11/20 10:05 | Eisinga, Zachary v Boerma, Pelle | 6-3,6-4 |
| ITF - M15 Sharm El Sheikh | 2019/11/14 08:00 | Eisinga, Zachary v Marek Gengel | 4-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2019/11/13 09:20 | Eisinga, Zachary v Kazuma Kawachi | 4-6,6-1,6-2 |