Stadium: Court 4 Round: 25 Ground: Clay
| ITF W60 Brescia | 2023/05/30 12:00 | Sofya Lansere v Ann Li | 1-6,3-6 |
| ITF W60 Grado | 2023/05/24 08:55 | Alina Korneeva v Sofya Lansere | 4-6,7-6,6-0 |
| ITF W60 Grado | 2023/05/23 08:50 | Sofya Lansere v Maria Toma | 6-2,6-1 |
| ITF W60 Saint-Gaudens | 2023/05/17 15:30 | Kathleen Kanev v Sofya Lansere | 6-4,3-6,6-1 |
| Trnava, Simples W-ITF-SVK-03A | 2023/05/09 08:55 | Sofya Lansere v Mai Hontama | 3-6,7-6,1-6 |
| ITF W60 Prague | 2023/04/30 09:20 | Sofya Lansere v Klara Kodesova | 6-0,6-0 |
| ITF W60 Istanbul | 2023/04/26 11:20 | Astakhova, Darya v Sofya Lansere | 6-3,6-4 |
| ITF W60 Croissy-Beaubourg | 2023/03/28 14:05 | Elsa Jacquemot v Sofya Lansere | 6-3,7-6 |
| ITF W25 Kursumlijska Banja | 2023/06/06 10:15 | Stewart, Katerina v Pospelova, Aleksandra | 6-4,6-4 |
| ITF W25 Kursumlijska Banja | 2023/06/05 13:55 | Stewart, Katerina v Denisa E Plesa | 6-1,6-1 |
| ITF - W15 Kursumlijska Banja | 2023/06/02 07:30 | Yasmine Kabbaj v Stewart, Katerina | 6-0,3-6,7-6 |
| ITF - W15 Kursumlijska Banja | 2023/06/01 07:30 | Stewart, Katerina v Lia Karatancheva | 6-2,6-1 |
| ITF - W15 Kursumlijska Banja | 2023/05/31 14:55 | Stewart, Katerina v Irene Lavino | 6-2,6-1 |
| ITF - W15 Kursumlijska Banja | 2023/05/24 12:35 | Anja Stankovic v Stewart, Katerina | 6-2,3-6,6-4 |
| ITF W25 Orlando | 2023/05/12 13:55 | Stewart, Katerina v Katarina Jokic | 6-4,4-6,1-6 |
| ITF W25 Orlando | 2023/05/11 13:15 | Jenna Defalco v Stewart, Katerina | 2-6,3-6 |