Stadium: Court 1 Round: 44 Ground: Clay
| ITF W25 Prague | 2019/09/02 08:00 | Diana Sumova v Ines Ibbou | 2-6,4-6 |
| ITF W25 Prague | 2019/09/01 08:00 | Diana Sumova v Zuzana Bohatova | 6-0,6-2 |
| ITF W25 Prague | 2019/08/26 08:00 | Nika Radisic v Diana Sumova | 6-2,6-1 |
| ITF W25 Bad Saulgau | 2019/07/29 09:40 | Sylvie Zund v Diana Sumova | 6-0,4-6,10-8 |
| ITF W25 Horb | 2019/07/22 10:00 | Gabriela Duca v Diana Sumova | 6-3,6-1 |
| WTA Prague | 2019/04/27 12:00 | Diana Sumova v Aliona Bolsova Zadoinov | 4-6,2-6 |
| ITF Women Brno | 2018/09/30 09:00 | Diana Sumova v Nefisa Berberovic | 6-7,4-6 |
| ITF Women Brno | 2018/09/29 10:45 | Barbora Miklova v Diana Sumova | 6-7,6-3,1-6 |
| ITF W15 Focsani | 2019/09/12 10:20 | Oana S Corneanu v Andreea Mitu | 3-6,2-6 |
| ITF W15 Focsani | 2019/09/10 09:50 | Paula Arias Manjon v Oana S Corneanu | 0-6,6-3,2-6 |
| ITF W15 Curtea de Arges | 2019/09/04 09:30 | Oana S Corneanu v Bianka Bekefi | 0-6,5-7 |
| ITF W15 Batumi | 2019/08/29 06:00 | Oana S Corneanu v Aleksandra Pospelova | 0-6,0-6 |
| ITF W15 Batumi | 2019/08/28 11:30 | Oana S Corneanu v Julia Konishi Camargo Silva | 6-1,6-4 |
| ITF W15 Bucharest | 2019/07/10 08:55 | Andreea Prisacariu v Oana S Corneanu | 6-2,6-7,6-1 |
| ITF W15 Antalya | 2019/02/25 12:30 | Amanda Carreras v Oana S Corneanu | 6-1,7-5 |
| ITF W15 Antalya | 2019/02/25 07:00 | Oana S Corneanu v Rebeca Pereira | 6-2,6-1 |