| Billie Jean King Cup | 04/10 10:00 | 2 |
Antonia Ruzic v
Clara Tauson
|
6-7,1-6 | |
| ITF W40 Murska Sobota | 04/01 10:55 | 28 |
[232] Antonia Ruzic v
Maria Timofeeva
[257]
|
4-6,3-6 | |
| ITF W40 Murska Sobota | 03/31 07:50 | 27 |
[232] Antonia Ruzic v
Darya Astakhova
[181]
|
6-2,6-2 | |
| ITF W40 Murska Sobota | 03/30 15:30 | 26 |
Antonia Ruzic v
Emma Tothova
|
6-4,6-0 | |
| ITF W40 Murska Sobota | 03/28 15:40 | 25 |
[205] Barbora Palicova
v
Antonia Ruzic [232]
|
4-6,6-4,4-6 | |
| ITF W40 Maribor | 03/23 14:20 | 26 |
[232] Antonia Ruzic v
Lulu Sun
[237]
|
0-6,6-3,1-6 | |
| ITF W40 Maribor | 03/22 17:45 | 25 |
[368] Viktoria Morvayova
v
Antonia Ruzic [232]
|
2-6,2-6 | |
| ITF W40 Ricany | 03/19 10:00 | 29 |
[229] Lesley Pattinama Kerkhove
v
Antonia Ruzic [292]
|
4-6,1-6 | |
| ITF W40 Ricany | 03/18 11:00 | 28 |
[204] Mona Barthel
v
Antonia Ruzic [292]
|
4-6,6-7 | |
| ITF W40 Ricany | 03/17 09:00 | 27 |
Maja Chwalinska
v
Antonia Ruzic
|
Walkover | |
| ITF W40 Ricany | 03/16 09:00 | 26 |
[292] Antonia Ruzic v
Viktoria Kuzmova
[132]
|
6-2,6-1 | |
| ITF W40 Ricany | 03/14 09:00 | 25 |
[292] Antonia Ruzic v
Julie Belgraver
[427] |
6-3,6-1 | |
| ITF W40 Ricany | 03/13 12:00 | 45 |
[292] Antonia Ruzic v
Aneta Kucmova
[386] |
6-4,6-3 | |
| ITF W60 Trnava | 03/07 09:00 | 54 |
[292] Antonia Ruzic v
Elena Malygina
[367]
|
4-6,4-6 | |
| ITF W60 Trnava | 03/06 13:10 | 54 |
Antonia Ruzic v
Nina Vargova
|
6-1,6-3 | |
| ITF W60 Trnava | 02/28 08:55 | 54 |
[295] Antonia Ruzic v
Amarissa K Toth
[284]
|
6-7,3-6 | |
| ITF W60 Trnava | 02/27 09:00 | 54 |
[295] Antonia Ruzic v
Yana Morderger
[471]
|
6-3,6-2 | |
| ITF W40 Porto | 02/07 10:00 | 25 |
[296] Antonia Ruzic v
Arlinda Rushiti
[421] |
6-2,6-7,2-6 | |
| ITF W40 Porto | 01/30 13:50 | 45 |
[291] Antonia Ruzic v
Alice Rame
[450] |
2-6,4-6 | |
| WTA Portoroz | 09/12 09:00 | 19 |
[110] Cristina Bucsa
v
Antonia Ruzic [184]
|
6-4,7-5 | |
| WTA Portoroz | 09/11 09:00 | 14 |
[224] Antonia Ruzic v
Nigina Abduraimova
[172] |
7-6,6-1 | |
| ITF W25 Leiria | 09/02 14:20 | 27 |
[224] Kateryna Bondarenko
v
Antonia Ruzic [224]
|
6-2,3-6,6-3 | |
| ITF W25 Leiria | 09/01 12:35 | 26 |
[404] Amy Zhu
v
Antonia Ruzic [224]
|
7-5,3-6,3-6 | |
| ITF W25 Leiria | 08/31 10:00 | 25 |
[481] Olga Helmi
v
Antonia Ruzic [224]
|
6-3,5-7,3-6 | |
| ITF W25 Vigo | 08/28 09:30 | 29 |
[224] Antonia Ruzic v
Anna Brogan
[459] |
6-1,6-1 | |
| ITF W25 Vigo | 08/27 09:00 | 28 |
[224] Antonia Ruzic v
Eva Guerrero Alvarez
[325]
|
6-7,6-4,6-1 | |
| ITF W25 Vigo | 08/26 09:00 | 27 |
Antonia Ruzic v
Lucia Cortez Llorca
|
7-5,4-6,6-3 | |
| ITF W25 Vigo | 08/25 10:55 | 26 |
Antonia Ruzic v
Kathleen Kanev
|
3-6,6-4,6-4 | |
| ITF W25 Vigo | 08/24 10:55 | 25 |
[224] Antonia Ruzic v
Amy Zhu
[396]
|
6-3,6-2 | |
| WTA Iasi | 08/01 13:25 | 25 |
[224] Antonia Ruzic v
Nastasja Schunk
[146]
|
3-6,4-6 |
Antonia Ružić (born 20 January 2003) is a Croatian tennis player. Ružić has a career-high singles ranking of world No. 65 by the WTA, achieved on 19 January 2026. She also has a career-high WTA doubles ranking of No. 544, reached on 27 January 2025. She is the current No. 1 Croatian singles player. Ružić has won 12 singles titles on the ITF Women's Circuit.
Ružić made her Fed Cup debut for Croatia in 2020.
On her WTA Tour debut as a qualifier at the 2024 Jasmin Open in Monastir, Tunisia, Ružić reached the quarterfinals with wins over fourth seed Nadia Podoroska and Lily Miyazaki, before losing to seventh seed Lucia Bronzetti.
Following the 2025 French Open, Ružić made her top 100 debut on 9 June 2025 at world No. 98.
She reached her second WTA Tour quarterfinal at the WTA 500 2025 Monterrey Open as a qualifier with wins over eighth seed Anastasia Pavlyuchenkova and Elisabetta Cocciaretto before falling to Marie Bouzková. Ružić made her major debut at the 2025 US Open, losing to Taylor Townsend in the first round. Ružić entered the main draw of the WTA 500 2025 Ningbo Open as a lucky loser but lost to Veronika Kudermetova.