| Italian Int. WD | 12/13 10:20 | - | Janssens E / Ostermeyer K v Bolotova E / Davletova A | L | 0-2 | |
| SaarLorLux Open 2019, WD | 10/31 14:30 | 4 | Moore J / Williams V v Janssens E / Ostermeyer K | L | 2-0 | |
| SaarLorLux Open 2019, WD | 10/30 10:00 | 5 | Bauer S / Moinard J v Janssens E / Ostermeyer K | W | 0-2 | |
| Dutch Open WD | 10/09 14:50 | 5 | Janssens E / Ostermeyer K v Boeje A / Poulsen M | L | 1-2 | |
| Belgian Int. WD | 09/13 09:20 | 3 | Janssens E / Ostermeyer K v Honderich R / Tsai K | L | 0-2 | |
| Belgian Int. WD | 09/12 18:40 | 4 | Salehar I / Salehar L v Janssens E / Ostermeyer K | W | 0-2 | |
| Kharkiv International 2019, WD | 09/07 07:40 | 3 | Birch C / Smith L v Janssens E / Ostermeyer K | L | 2-0 | |
| Kharkiv International 2019, WD | 09/05 10:40 | 5 | Janssens E / Ostermeyer K v Ilyinskaya M / Zharka Y | - | Retired | |
| US Open 2019, WD | 07/10 20:30 | 5 | Araki A / Imai R v Janssens E / Ostermeyer K | L | 2-1 | |
| Canada Open WD | 07/04 21:55 | 4 | Matsuyama/Shida v Janssens E / Ostermeyer K | L | 2-0 | |
| Canada Open WD | 07/03 15:50 | 5 | Lee/Lee v Janssens E / Ostermeyer K | W | 0-2 | |
| Open de Pologne - Doubles Femmes | 03/29 14:30 | - | Putri V / Sukoco V A v Janssens E / Ostermeyer K | D |
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| Orléans Masters - Doubles Femmes | 03/20 16:10 | 5 | Janssens E / Ostermeyer K v Dandu / Santosh | L | 0-2 | |
| Open de Suisse - Doubles Femmes - Qualif. | 03/12 14:20 | - | Janssens E / Ostermeyer K v Finne Ipsen/Surrow | L | 0-2 | |
| Masters d'Espagne - Doubles Femmes | 02/20 11:20 | 5 | Hsu Y C / Hu L F v Janssens E / Ostermeyer K | L | 2-1 | |
| Giraldilla Int. XD | 11/22 14:40 | 5 | Birch C / Smith L v Janssens E / Ostermeyer K | L | 2-0 | |
| Open de Suisse - Doubles Femmes - Qualif. | 11/21 16:35 | - | Janssens E / Ostermeyer K v Holden A / Tolman L | W | 2-0 | |
| Giraldilla Int. XD | 10/31 15:30 | 5 | Istarani N K M / Pradipta R A v Janssens E / Ostermeyer K | L | 2-0 | |
| Dutch Open WD | 10/11 17:10 | 4 | Janssens E / Ostermeyer K v Matsuyama/Shida | L | 0-2 | |
| Dutch Open WD | 10/10 16:35 | 5 | Holenz K / Molitor A v Janssens E / Ostermeyer K | W | 0-2 |