| Billie Jean King Cup | 04/08 15:40 | 3 | Hennemann/Rinaldo Persson v Grammatikopoulou/Papamichail | 4-6,5-7 | |
| WTA Barranquilla DF | 08/19 22:45 | 29 | Grammatikopoulou/Papamichail v Lizarazo/Perez Garcia | 7-6,7-5 | |
| WTA Barranquilla DF | 08/18 19:00 | 28 | Stevanovic/Udvardy v Grammatikopoulou/Papamichail | 4-6,4-6 | |
| WTA Barranquilla DF | 08/17 20:00 | 27 | Grammatikopoulou/Papamichail v Herazo Gonzalez/Hesse | 6-3,6-4 | |
| Billie Jean King Cup | 04/14 14:30 | 3 | Grammatikopoulou/Papamichail v Jorge/Jorge | CANC | |
| Billie Jean King Cup | 04/13 12:55 | 3 | Grammatikopoulou/Papamichail v Berberovic/Husaric | 6-3,7-6 | |
| Billie Jean King Cup | 04/13 12:55 | - | Grammatikopoulou/Papamichail v Berberovic/Herdzelas | CANC | |
| Billie Jean King Cup | 04/12 15:35 | 3 | Grammatikopoulou/Papamichail v Genovese/Pellicano | 6-1,6-2 | |
| Billie Jean King Cup | 04/12 12:55 | 3 | Grammatikopoulou/Papamichail v Curmi/Genovese | CANC | |
| Billie Jean King Cup | 04/11 13:05 | 3 | Grammatikopoulou/Papamichail v D Fruchtman/Kimchi | 6-1,6-0 | |
| ITF W25 Olimpia DF | 03/11 19:10 | 26 | Bosio/Carle v Grammatikopoulou/Papamichail | 6-2,6-4 | |
| Fed Cup 2020 | 02/06 18:15 | 2 | Klaffner/Kraus v Grammatikopoulou/Papamichail | 7-5,7-6 |