Stadium: Court 3 Round: 25 Ground: Hardcourt indoor
| ITF W15 Manacor | 2020/01/22 14:00 | Ayline Esina Samardzic v Sofia Milatova | 3-6,0-6 |
| ITF W15 Ortisei | 2019/10/27 08:30 | Ayline Esina Samardzic v Greta Zwerger | 6-3,3-6,10-12 |
| ITF W60 Zagreb | 2019/09/01 07:00 | Ayline Esina Samardzic v Yana Morderger | 0-6,0-6 |
| ITF W25 Vienna | 2019/08/25 07:30 | Ayline Esina Samardzic v Julia Stamatova | 2-6,3-6 |
| ITF W15 Dublin | 2019/07/31 08:30 | Ayline Esina Samardzic v Emily Welker | 0-6,0-6 |
| ITF W25 Porto | 2019/07/24 16:05 | Shrivalli Rashmikaa Bhamidipaty v Ayline Esina Samardzic | 6-3,6-1 |
| ITF W25 Porto | 2019/07/22 17:35 | Ayline Esina Samardzic v Marie Lou Faoro | 6-1,6-7,10-5 |
| ITF W25 Palmela | 2019/07/15 14:00 | Sara Lanca v Ayline Esina Samardzic | 6-1,6-3 |
| ITF W25 Trnava | 2020/02/05 13:50 | Elitsa Kostova v Andrea Lazaro Garcia | 3-6,3-6 |
| Australian Open Women | 2020/01/14 07:55 | Elitsa Kostova v Harriet Dart | 4-6,1-6 |
| WTA Houston | 2019/11/11 16:00 | Hailey Baptiste v Elitsa Kostova | 6-2,6-4 |
| ITF W60 Las Vegas | 2019/11/06 17:00 | Stephanie Wagner v Elitsa Kostova | 7-5,6-2 |
| ITF W60 Toronto | 2019/11/01 18:05 | Kirsten Flipkens v Elitsa Kostova | 6-3,6-2 |
| ITF W60 Toronto | 2019/10/31 16:55 | Naomi Broady v Elitsa Kostova | 3-6,3-6 |
| ITF W60 Toronto | 2019/10/30 13:50 | Melodie Collard v Elitsa Kostova | 2-6,6-4,1-6 |
| ITF W25 Istanbul | 2019/10/23 09:55 | Elitsa Kostova v Anna Kubareva | 6-7,6-2,5-7 |