| ITF W15 Antalya | 03/03 07:00 | 62 | 주리크, 노카 v Rianna Ioana Coreisa | 6-0,6-1 | |
| ITF W15 Antalya | 02/25 07:00 | 62 | 세브치코바, 린다 v Rianna Ioana Coreisa | 6-2,6-4 | |
| ITF W15 Antalya | 01/29 07:00 | 62 | 그란베어, 알리나 v Rianna Ioana Coreisa | 6-3,6-3 | |
| ITF W15 Antalya | 01/28 07:00 | 62 | Tomiris Mussina v Rianna Ioana Coreisa | 0-6,0-6 | |
| ITF W15 Antalya | 01/22 09:00 | 62 | Andrea Obradovic v Rianna Ioana Coreisa | 6-1,6-2 | |
| ITF W15 Heraklion | 11/29 10:20 | 25 | Rianna Ioana Coreisa v Varul, Liisa | 4-6,0-6 | |
| ITF W25 Heraklion | 11/20 08:00 | 62 | Karolina Krajmer v Rianna Ioana Coreisa | 6-2,6-1 | |
| ITF W25 Heraklion | 11/19 09:00 | 62 | Ginevra Terracina v Rianna Ioana Coreisa | 0-6,3-6 | |
| ITF W25 Heraklion | 11/12 08:00 | 54 | 스바티코바, 라우라 v Rianna Ioana Coreisa | 6-3,6-3 | |
| ITF W40 Heraklion | 11/05 07:00 | 62 | 보지시나코바, 잉그리드 v Rianna Ioana Coreisa | 4-6,7-6,10-3 | |
| UTR Pro Beograd Women | 10/09 08:33 | - | Rianna Coreisa v 므트센틀리트즈, 엘레니 | 1-6,0-1 | |
| UTR Pro Beograd Women | 10/08 06:00 | - | Rianna Coreisa v 미카카, 사라 | 6-1,7-5 | |
| UTR Pro Beograd Women | 10/06 07:30 | - | Sofia M Barbulescu v Rianna Coreisa | 3-6,6-1,7-5 | |
| UTR Pro Beograd Women | 10/04 11:21 | - | Rianna Coreisa v Bianca Barbulescu | 5-7,3-6 | |
| UTR Pro Beograd Women | 10/03 08:42 | - | Rianna Coreisa v Nina Zabrdac | 6-3,6-1 | |
| UTR Pro Beograd Women | 10/02 07:30 | - | Rianna Coreisa v Alexia I Marginean | 3-6,0-6 | |
| ITF W15 Bucharest | 06/18 11:30 | 62 | Rianna Ioana Coreisa v Sophie Isabele Jurca | 3-6,2-6 | |
| ITF W60 Caserta | 06/04 10:40 | 54 | Rianna Ioana Coreisa v Denise Valente | 2-6,0-6 | |
| ITF W60 Grado | 05/21 10:55 | 54 | Rianna Ioana Coreisa v 카레가로, 마르티나 | 5-7,2-6 | |
| ITF W60 Zagreb | 05/07 09:30 | 54 | Rianna Ioana Coreisa v 스바티코바, 라우라 | 2-6,1-6 | |
| ITF W15 Antalya | 04/17 06:50 | 62 | Rianna Ioana Coreisa v Natalia Slaba | 0-6,0-6 | |
| ITF W15 Antalya | 04/16 07:00 | 62 | Rothacker, Katharina v Rianna Ioana Coreisa | 2-6,3-6 | |
| ITF W15 Antalya | 04/09 06:30 | 62 | Lorena Schaedel v Rianna Ioana Coreisa | 6-4,6-0 | |
| ITF W15 Antalya | 04/03 09:45 | 62 | 알루세인 압델 아지즈, 라미스 v Rianna Ioana Coreisa | 7-5,6-1 | |
| Antalya, Singles Qualifying W-ITF-TUR-35A | 01/16 11:05 | 62 | Rianna Ioana Coreisa v Gio Jang | 4-6,7-6,6-10 | |
| Antalya, Singles Qualifying W-ITF-TUR-35A | 01/15 06:30 | 62 | 닉체비치, 티 v Rianna Ioana Coreisa | 4-6,2-6 | |
| ITF W15 Antalya | 01/08 07:00 | 62 | 산토스 산체즈, 루시아 v Rianna Ioana Coreisa | 6-3,6-1 | |
| ITF W15 Antalya | 12/11 11:30 | 62 | Rianna Ioana Coreisa v Alina Khvatova | 4-6,3-6 | |
| ITF W15 Antalya | 12/04 06:30 | 62 | Iulia Andreea Ionescu v Rianna Ioana Coreisa | 6-4,6-4 | |
| ITF W15 Antalya | 11/27 06:00 | 62 | Dadaciu, Sabina v Rianna Ioana Coreisa | 6-1,6-3 |