| British Open Women | 05/20 16:00 | 7 | Aitken, Lisa v Heijden, Milou van Der | 3-0 | |
| Manchester Open Women | 05/10 16:30 | 8 | Evans, Tesni v Heijden, Milou van Der | 3-0 | |
| Manchester Open Women | 05/09 17:15 | 7 | Chadwick, Rachael v Heijden, Milou van Der | 0-3 | |
| European Team Championships Women | 05/02 13:30 | - | Sarah-Jane Perry v Heijden, Milou van Der | 7-4 | |
| El Gouna International - Femmes | 04/17 11:30 | 7 | Letourneau, Danielle v Heijden, Milou van Der | 3-0 | |
| DPD Open | 04/09 18:00 | 7 | Heijden, Milou van Der v Millie Tomlinson | 1-3 | |
| Texas Open 2019, Women | 03/27 23:30 | 8 | Heijden, Milou van Der v Tinne Gilis | 2-3 | |
| PSA World Championships - Femmes | 02/24 01:00 | 7 | Heijden, Milou van Der v Evans, Tesni | 0-3 | |
| DPD Open | 01/31 22:00 | 7 | Rachel Arnold v Heijden, Milou van Der | 3-1 | |
| DPD Open | 01/19 17:00 | 8 | Serme, Camille v Heijden, Milou van Der | 3-0 | |
| DPD Open | 01/18 17:00 | 7 | Mendez, Haley v Heijden, Milou van Der | 1-3 | |
| DPD Open | 11/20 09:00 | 8 | Chinappa, Joshna v Heijden, Milou van Der | 3-1 | |
| DPD Open | 11/19 07:00 | 7 | Yi, Lee Ka v Heijden, Milou van Der | 1-3 | |
| DPD Open | 10/17 21:30 | 7 | Heijden, Milou van Der v Hollie Naughton | 0-3 | |
| DPD Open | 10/07 21:45 | 8 | King, Joelle v Heijden, Milou van Der | 3-1 | |
| DPD Open | 10/06 21:45 | 7 | Heijden, Milou van Der v Hollie Naughton | 3-0 | |
| DPD Open | 09/28 19:00 | 8 | Heijden, Milou van Der v Au, Annie | 0-3 | |
| DPD Open | 09/27 19:00 | 7 | Millie Tomlinson v Heijden, Milou van Der | 0-3 | |
| DPD Open | 09/05 10:00 | 8 | Heijden, Milou van Der v Lucy Turmel | 0-3 | |
| DPD Open | 05/15 18:15 | 7 | Heijden, Milou van Der v Welily, Raneem El | 0-3 | |
| DPD Open | 05/14 16:15 | 1 | Heijden, Milou van Der v Tsz-Ling, Liu | 3-1 | |
| DPD Open | 05/13 16:15 | 14 | Heijden, Milou van Der v Bartley, Kace | 3-1 | |
| DPD Open | 04/18 15:00 | 14 | Courtice, Julianne v Heijden, Milou van Der | 3-2 | |
| DPD Open | 02/21 23:00 | 1 | Heijden, Milou van Der v Tinne Gilis | 1-3 | |
| DPD Open | 02/20 23:00 | 14 | Heijden, Milou van Der v Catalina Pelaez | 3-0 | |
| DPD Open | 01/18 23:15 | 14 | Mendez, Haley v Heijden, Milou van Der | 3-1 | |
| DPD Open | 11/14 04:00 | 7 | Heijden, Milou van Der v Evans, Tesni | 0-3 | |
| DPD Open | 11/13 05:30 | 1 | Heijden, Milou van Der v Kobayashi, Misaki | 3-2 | |
| DPD Open | 11/12 05:45 | 14 | Heijden, Milou van Der v Hana Moataz | 3-2 | |
| DPD Open | 10/19 23:00 | 7 | Heijden, Milou van Der v Nour El Tayeb | 0-3 |