| World Championships WD | 12/14 12:00 | 6 | Honderich R / Tsai K v Tirtosentono/Van Der Aar | L | 2-0 | |
| World Championships WD | 12/12 12:20 | 6 | Dandu / Santosh v Tirtosentono/Van Der Aar | - | Retired | |
| Scottish Open WD | 11/27 18:20 | - | Honderich R / Tsai K v Tirtosentono/Van Der Aar | L | 2-0 | |
| Scottish Open WD | 11/27 11:20 | - | Busch C / Schulz A v Tirtosentono/Van Der Aar | W | 0-2 | |
| Scottish Open WD | 11/26 19:40 | - | Tirtosentono/Van Der Aar v K. Bhat/Gautam | W | 2-0 | |
| Scottish Open WD | 11/26 14:20 | - | Tirtosentono/Van Der Aar v Low/Siow | W | 2-1 | |
| Hylo Open WD | 11/03 12:30 | 5 | Tirtosentono/Van Der Aar v Moore/Somerville | L | 0-2 | |
| Open de France - Doubles Femmes | 10/28 17:20 | - | Tirtosentono/Van Der Aar v Kim/Kong | L | 0-2 | |
| Open de France - Doubles Femmes | 10/27 11:00 | 5 | Jakkampudi / S Ram v Tirtosentono/Van Der Aar | - | Retired | |
| Denmark Open WD | 10/21 11:20 | - | Liu / Xia v Tirtosentono/Van Der Aar | L | 2-0 | |
| Denmark Open WD | 10/20 07:20 | 5 | Tirtosentono/Van Der Aar v Matsuyama/Shida | - | Retired | |
| Dutch Open WD | 10/16 14:00 | - | Tirtosentono/Van Der Aar v Magnusson/Nistad | L | 1-2 | |
| Dutch Open WD | 10/16 08:40 | - | Hopton/Pugh v Tirtosentono/Van Der Aar | W | 1-2 | |
| Dutch Open WD | 10/15 17:20 | - | Tirtosentono/Van Der Aar v Pope/Stognija | W | 2-0 | |
| Dutch Open WD | 10/14 07:15 | - | Tirtosentono/Van Der Aar v Hendahewa T P / Sirimannage K I | - | Walkover | |
| Spain Int WD | 06/19 13:00 | - | Tirtosentono/Van Der Aar v Lopez P / Usle L | W | 2-0 | |
| Spain Int WD | 06/19 07:40 | - | Rodriguez/Setien v Tirtosentono/Van Der Aar | W | 0-2 | |
| Spain Int WD | 06/18 15:15 | - | Fankhauser/Stern v Tirtosentono/Van Der Aar | W | 1-2 | |
| Spain Int WD | 06/18 10:35 | - | Boiarun A / Iakovleva A v Tirtosentono/Van Der Aar | W | 0-2 | |
| Spain Int WD | 06/17 16:20 | - | Tirtosentono/Van Der Aar v Caballero/Ramirez | W | 2-0 | |
| Masters d'Espagne - Doubles Femmes | 05/22 13:00 | 2 | Magelund A / Ravn F v Tirtosentono/Van Der Aar | L | 2-1 | |
| Masters d'Espagne - Doubles Femmes | 05/21 10:10 | 3 | Hopton/Pugh v Tirtosentono/Van Der Aar | W | 0-2 | |
| Masters d'Espagne - Doubles Femmes | 05/20 10:15 | 4 | Palermo/Jille v Tirtosentono/Van Der Aar | W | 1-2 | |
| Masters d'Espagne - Doubles Femmes | 05/18 12:55 | 5 | Yap R C / Yap Y v Tirtosentono/Van Der Aar | W | 1-2 | |
| Portuguese Int. WD | 05/08 14:40 | 1 | Tirtosentono/Van Der Aar v Busch C / Schulz A | L | 0-2 | |
| Portuguese Int. WD | 05/08 10:40 | 1 | Tirtosentono/Van Der Aar v F. Goncalves/Goncalves | W | 2-0 | |
| Portuguese Int. WD | 05/07 17:40 | 5 | Tirtosentono/Van Der Aar v Borgstedt E / Pirzamanbein B | W | 2-0 | |
| Open de Suisse - Doubles Femmes | 03/03 08:20 | 5 | Piek S / Seinen C v Tirtosentono/Van Der Aar | L | 2-1 | |
| SaarLorLux Open 2019, WD | 10/27 14:15 | 5 | Tirtosentono/Van Der Aar v Magelund A / Ravn F | L | 1-2 |