| ITF W40 Pazardzhik | 09/19 06:30 | 25 | [501] Lia Karatancheva v Suzan Lamens [239] | 6-3,6-2 | |
| ITF W40 Pazardzhik | 09/18 08:35 | 54 | Lia Karatancheva v Luca Udvardy | Walkover | |
| ITF W40 Pazardzhik | 09/17 10:00 | 54 | Lia Karatancheva v Defne Cirpanli | 7-5,6-1 | |
| ITF W25 Varna | 09/12 08:05 | 25 | Chantal Sauvant v Lia Karatancheva | 4-6,6-2,6-4 | |
| ITF W60 Prerov | 08/21 08:00 | 54 | Lia Karatancheva v Vendula Valdmannova | 6-3,3-6,3-6 | |
| ITF W25 Vrnjacka Banja | 08/15 14:00 | 25 | Laura Hietaranta v Lia Karatancheva | Retired | |
| ITF W100 Maspalomas | 08/10 08:30 | 26 | [276] Suzan Lamens v Lia Karatancheva [499] | 6-3,7-6 | |
| ITF W100 Maspalomas | 08/08 10:35 | 25 | [499] Lia Karatancheva v Martha Matoula [338] | 6-4,7-5 | |
| ITF W100 Maspalomas | 08/07 10:25 | 54 | [342] Sofya Lansere v Lia Karatancheva [499] | Retired | |
| ITF W100 Maspalomas | 08/06 11:25 | 54 | Anna Gabric v Lia Karatancheva | 3-6,2-6 | |
| Barcelone, Simples W-ITF-ESP-06A | 07/31 11:35 | 54 | [331] Xinyu Gao v Lia Karatancheva [499] | 6-2,6-0 | |
| Barcelone, Simples W-ITF-ESP-06A | 07/30 14:00 | 54 | Tianmi Mi v Lia Karatancheva | 6-7,3-6 | |
| ITF W100 Vitoria-Gasteiz | 07/20 09:00 | 26 | [134] Marina B Ribera v Lia Karatancheva [382] | 6-2,6-2 | |
| ITF W100 Vitoria-Gasteiz | 07/19 11:10 | 25 | [334] Aleksandra Krunic v Lia Karatancheva [382] | 2-6,1-6 | |
| ITF W100 Vitoria-Gasteiz | 07/17 11:15 | 54 | Lia Karatancheva v Rhiann Newborn | 6-3,6-1 | |
| ITF W100 Vitoria-Gasteiz | 07/16 09:35 | 54 | Lia Karatancheva v Nadine Arbaizar Martinez | 6-1,6-1 | |
| ITF W60 Liepaja | 07/05 07:25 | 25 | [383] Lia Karatancheva v Petra Marcinko [195] | 5-7,1-6 | |
| ITF W60 Liepaja | 07/03 14:15 | 24 | [365] Johanne C Svendsen v Lia Karatancheva [383] | 7-6,2-6,0-6 | |
| ITF W40 Ystad | 06/20 08:10 | 54 | [467] Anastasiya Konstantinovna Soboleva v Lia Karatancheva [382] | 6-2,6-1 | |
| ITF W40 Ystad | 06/19 08:10 | 54 | [406] Anna Klasen v Lia Karatancheva [382] | 5-7,1-6 | |
| ITF W60 Madrid | 06/12 07:30 | 54 | [380] Lia Karatancheva v Katarina Stresnakova [342] | 4-6,1-6 | |
| ITF W60 Madrid | 06/11 07:30 | 54 | Lia Karatancheva v Valeria Koussenkova | 6-0,6-0 | |
| ITF - W15 Kursumlijska Banja | 06/01 07:30 | 26 | Stewart, Katerina v Lia Karatancheva | 6-2,6-1 | |
| ITF - W15 Kursumlijska Banja | 05/31 07:00 | 25 | Ruien Zhang v Lia Karatancheva | 1-6,7-6,2-6 | |
| ITF W60 Pelham | 05/17 14:55 | 25 | [381] Lia Karatancheva v Grace Min [379] | 0-6,0-6 | |
| ITF W25 Orlando | 05/11 13:20 | 26 | [381] Lia Karatancheva v Victoria Hu [446] | 5-7,4-6 | |
| ITF W25 Orlando | 05/10 17:00 | 25 | [92] Panna Udvardy v Lia Karatancheva [381] | 2-6,3-6 | |
| ITF - W100 Bonita Springs | 05/02 14:30 | 54 | Yulia Starodubtseva v Lia Karatancheva | 6-0,6-0 | |
| ITF - W100 Bonita Springs | 05/01 18:05 | 54 | [296] Dalayna Hewitt v Lia Karatancheva [377] | 2-6,3-6 | |
| ITF W60 Charlottesville | 04/24 17:30 | 54 | Alana Smith v Lia Karatancheva | 7-6,7-6 |