| ITF M25 Ricany | 2021/08/29 09:00 | Jesse De Jager v Noel Larwig | 3-6,6-3,4-10 |
| ITF M25 Poznan | 2021/08/24 08:00 | Harry Wendelken v Jesse De Jager | 6-1,6-3 |
| ITF M25 Poznan | 2021/08/22 08:00 | Jesse De Jager v Ioannis Stamoulos | 6-3,6-0 |
| ITF M15 Lodz | 2021/08/16 09:30 | Alan Bojarski v Jesse De Jager | 7-5,7-5 |
| ITF M15 Lodz | 2021/08/15 09:30 | Jesse De Jager v Sean Hess | 6-4,3-6,10-7 |
| ITF M25 Pitesti | 2021/08/02 08:30 | Ray Ho v Jesse De Jager | 6-2,4-6,10-5 |
| ITF M25 Pitesti | 2021/08/01 10:00 | Jesse De Jager v Andrei Cuceu | 1-6,6-3,10-4 |
| ITF M25 Telfs | 2021/07/12 10:35 | Jesse De Jager v Francisco Vittar | 1-6,6-2,8-10 |
| ITF M15 Cairo | 2021/09/30 11:45 | Luciano Darderi v Zachary Eisinga | 6-2,6-0 |
| ITF M15 Cairo | 2021/09/29 08:45 | Zachary Eisinga v Amr Asrawy | 6-0,6-1 |
| ITF M15 Cairo | 2021/09/23 08:00 | Billy Harris v Zachary Eisinga | 6-1,6-0 |
| ITF M15 Cairo | 2021/09/22 10:30 | Zachary Eisinga v Muthu A Senthilkumar | 5-7,6-3,6-1 |
| ITF M15 Cairo | 2021/09/16 11:30 | Simone Roncalli v Zachary Eisinga | 6-3,6-4 |
| ITF M15 Cairo | 2021/09/15 10:40 | Gabriel Ciro Da Silva v Zachary Eisinga | 7-6,4-6,2-6 |
| ITF M15 Huy | 2021/08/25 12:50 | Zachary Eisinga v Marvin Netuschil | 4-6,6-7 |
| ITF M15 Oldenzaal | 2021/08/18 14:10 | Constantin Schmitz v Zachary Eisinga | 6-3,7-6 |