| ITF W25 Aschaffenburg | 07/12 15:20 | 25 | [392] Dea Herdzelas v Yuki Naito [425] | Retired | |
| ITF W25 Stuttgart-Vaihingen | 07/07 10:00 | 27 | [425] Yuki Naito v Dea Herdzelas [392] | 1-6,6-1,7-6 | |
| ITF W25 Stuttgart-Vaihingen | 07/06 13:10 | 26 | [392] Dea Herdzelas v Sada Nahimana [265] | 7-6,1-6,6-2 | |
| ITF W25 Stuttgart-Vaihingen | 07/05 15:30 | 25 |
[448] Manon Leonard
v
Dea Herdzelas [392] |
6-4,3-6,6-7 | |
| ITF W60 Madrid | 06/16 10:55 | 27 | Dea Herdzelas v Marta Soriano Santiago | 3-6,5-7 | |
| ITF W60 Madrid | 06/15 11:20 | 26 | [404] Dea Herdzelas v Nefisa Berberovic [344] | 7-5,7-6 | |
| ITF W60 Madrid | 06/14 12:20 | 25 |
[177] Jaimee Fourlis
v
Dea Herdzelas [404] |
6-3,4-6,4-6 | |
| ITF W60 Madrid | 06/13 09:40 | 24 | [404] Dea Herdzelas v Makenna Jones [376] | 7-6,7-5 | |
| WTA Makarska | 06/06 12:00 | 26 | [230] Lina Gjorcheska v Dea Herdzelas [405] | 6-3,6-2 | |
| ITF W40 Otocec | 05/24 11:05 | 25 | [404] Dea Herdzelas v Carlota M Cirez [245] | 4-6,4-6 | |
| ITF W40 Otocec | 05/23 10:45 | 24 | Dea Herdzelas v Emma Tothova | 6-2,6-2 | |
| ITF W25 Santa Margherita | 05/04 10:20 | 26 | [431] Bianca J Fernandez v Dea Herdzelas [400] | Retired | |
| ITF W25 Santa Margherita | 05/03 14:10 | 25 | Alessandra Teodosescu v Dea Herdzelas | 3-6,5-7 | |
| ITF W25 Santa Margherita | 04/28 08:55 | 27 |
[135] Ylena In-Albon
v
Dea Herdzelas [400] |
6-3,7-6 | |
| ITF W25 Santa Margherita | 04/27 08:30 | 26 | [431] Bianca Jolie Fernandez v Dea Herdzelas [400] | 3-6,3-6 | |
| ITF W25 Santa Margherita | 04/25 10:25 | 25 |
[400] Dea Herdzelas v
Eva Vedder
[300] 
|
6-2,6-1 | |
| ITF W25 Santa Margherita | 04/22 08:55 | 28 |
[262] Katarina Zavatska
v
Dea Herdzelas [396] |
6-1,6-7,6-2 | |
| ITF W25 Santa Margherita | 04/21 09:00 | 27 | [388] Kajsa Rinaldo Persson v Dea Herdzelas [396] | 4-6,7-6,5-7 | |
| ITF W25 Santa Margherita | 04/20 11:30 | 26 | [340] Aurora Zantedeschi v Dea Herdzelas [396] | 4-6,0-6 | |
| ITF W25 Santa Margherita | 04/18 12:40 | 25 | [396] Dea Herdzelas v Misaki Matsuda [260] | 6-3,4-6,6-2 | |
| Billie Jean King Cup | 04/14 10:00 | 1 | Mika D Fruchtman v Dea Herdzelas | 0-6,2-6 | |
| Billie Jean King Cup | 04/13 10:00 | - | [202] Valentini Grammatikopoulou v Dea Herdzelas [357] | Retired | |
| Billie Jean King Cup | 04/12 09:55 | 1 | [357] Dea Herdzelas v Ines Murta [492] | 6-2,6-2 | |
| Billie Jean King Cup | 04/10 10:00 | 1 | Dea Herdzelas v Elaine Genovese | 6-2,6-1 | |
| ITF W25 Jakarta | 03/28 06:10 | 25 |
[413] Yexin Ma
v
Dea Herdzelas [344] |
2-6,6-2,6-3 | |
| ITF W25 Jakarta | 03/23 03:30 | 26 | [301] Zhuoxuan Bai v Dea Herdzelas [344] | 7-6,5-7,6-4 | |
| ITF W25 Jakarta | 03/22 02:55 | 25 |
[344] Dea Herdzelas v
Peangtarn Plipuech
[314] 
|
7-5,7-6 | |
| ITF W40 Bengaluru | 03/10 06:15 | 27 | [370] Dea Herdzelas v Ankita Raina [241] | 1-6,7-6,5-7 | |
| ITF W40 Bengaluru | 03/09 04:30 | 26 | [370] Dea Herdzelas v Daria Kudashova [404] | 6-2,6-2 | |
| ITF W40 Bengaluru | 03/08 04:30 | 25 |
[298] Francisca Jorge
v
Dea Herdzelas [370] |
4-6,7-6,3-6 |
Wikipedia - Dea Herdželaš
Dea Herdželaš (born 7 November 1996) is a Bosnian professional tennis player.
Herdželaš achieved a career-high singles ranking of world No. 183 on 23 May 2022, and reached a best doubles ranking of 334 in June 2023. As a junior, she had a best combined ranking of world No. 82, which she achieved on 21 January 2013.
Herdželaš made her debut for the Bosnia and Herzegovina Fed Cup team in February 2013, losing to Anne Keothavong of Great Britain.
Herdželaš won the 2012 Serbian national team championships with TK Partizan, winning each of her three singles matches.
Partnering Nefisa Berberović, she won the silver medal in the women's doubles at the 2018 Mediterranean Games, losing to Turkish pair Başak Eraydın and İpek Öz in the final which went to a deciding champions tiebreak.
Herdželaš has reached 19 career singles finals posting a record of nine wins. Additionally, she has reached 23 career doubles finals (7 titles). All of her finals both singles and doubles have come on the ITF Circuit.