| WTA Ningbo | 10/14 05:00 | 25 |
[70] Antonia Ruzic v
Donev/Lazov
[31] |
3-6,2-6 | |
| WTA Ningbo | 10/12 03:00 | 19 |
[105] Ajla Tomljanovic
v
Antonia Ruzic [78]
|
6-2,6-0 | |
| WTA Ningbo | 10/11 03:00 | 14 |
[115] Viktoriya Tomova
v
Antonia Ruzic [78]
|
6-7,6-2,1-6 | |
| WTA Wuhan | 10/08 06:45 | 25 |
[78] Antonia Ruzic v
Clara Tauson
[12]
|
4-6,0-6 | |
| WTA Wuhan | 10/06 09:10 | 24 |
[78] Antonia Ruzic v
Magda Linette
[40]
|
6-2,6-3 | |
| WTA Wuhan | 10/05 04:00 | 19 |
[50] Emiliana Arango
v
Antonia Ruzic [80]
|
6-7,4-6 | |
| WTA Wuhan | 10/04 06:30 | 14 |
[91] Elisabetta Cocciaretto
v
Antonia Ruzic [80]
|
3-6,1-6 | |
| WTA Beijing | 09/26 07:30 | 24 |
[80] Antonia Ruzic v
Paula Badosa
[18]
|
3-6,6-7 | |
| WTA Beijing | 09/24 06:30 | 23 |
[65] Elsa Jacquemot
v
Antonia Ruzic [80]
|
3-6,3-6 | |
| US Open Women | 08/25 16:55 | 23 |
[139] Taylor Townsend
v
Antonia Ruzic [69]
|
6-4,6-4 | |
| WTA Monterrey | 08/22 04:35 | 27 |
[89] Antonia Ruzic v
Marie Bouzkova
[53]
|
3-6,2-6 | |
| WTA Monterrey | 08/20 22:25 | 26 |
[89] Antonia Ruzic v
Elisabetta Cocciaretto
[87]
|
7-6,2-6,6-0 | |
| WTA Monterrey | 08/19 23:00 | 25 |
[44] Anastasia Pavlyuchenkova
v
Antonia Ruzic [89]
|
6-7,1-6 | |
| WTA Monterrey | 08/17 21:00 | 19 |
[84] Antonia Ruzic v
Xiaodi You
[329]
|
6-0,6-4 | |
| WTA Monterrey | 08/16 21:00 | 14 |
Antonia Ruzic v
Bianca Jolie Fernandez
|
6-3,6-1 | |
| WTA Cincinnati | 08/08 15:00 | 23 |
[90] Lulu Sun
v
Antonia Ruzic [84]
|
6-4,6-4 | |
| WTA Cincinnati | 08/06 19:30 | 19 |
[94] Antonia Ruzic v
Eri Hozumi
[35]
|
6-3,6-1 | |
| WTA Cincinnati | 08/06 15:30 | 19 |
[94] Antonia Ruzic v
Usue Maitane Arconada
[401]
|
6-2,6-4 | |
| WTA Montreal | 07/30 23:20 | 24 |
[94] Antonia Ruzic v
Karolina Muchova
[14]
|
5-7,5-7 | |
| WTA Montreal | 07/29 00:50 | 23 |
[94] Antonia Ruzic v
Anastasia Potapova
[44]
|
2-6,7-5,6-0 | |
| WTA Montreal | 07/26 18:00 | 14 |
Antonia Ruzic v
Dasha Plekhanova
|
6-1,6-2 | |
| WTA Bastad | 07/11 11:40 | 28 |
[91] Antonia Ruzic v
Elisabetta Cocciaretto
[116]
|
3-6,4-6 | |
| WTA Bastad | 07/10 12:35 | 27 |
[63] Lucia Bronzetti
v
Antonia Ruzic [91]
|
4-6,2-6 | |
| WTA Bastad | 07/09 10:40 | 26 |
[192] Mona Barthel
v
Antonia Ruzic [91]
|
4-6,6-4,6-7 | |
| WTA Bastad | 07/07 11:30 | 25 |
[150] Panna Udvardy
v
Antonia Ruzic [91]
|
6-2,4-6,3-6 | |
| Wimbledon Women | 06/24 10:00 | 14 |
[91] Antonia Ruzic v
Emerson Jones
[209]
|
1-6,6-0,0-6 | |
| WTA Nottingham | 06/18 10:00 | 26 |
[98] Antonia Ruzic v
Dayana Yastremska
[46]
|
2-6,6-2,4-6 | |
| WTA Nottingham | 06/16 15:40 | 25 |
[98] Antonia Ruzic v
Lucia Bronzetti
[59]
|
6-0,6-4 | |
| WTA Nottingham | 06/15 10:00 | 19 |
[101] Olivia Gadecki
v
Antonia Ruzic [98]
|
3-6,6-0,3-6 | |
| WTA Nottingham | 06/14 10:00 | 45 |
[98] Antonia Ruzic v
Varvara Lepchenko
[122]
|
7-6,6-3 |
Antonia Ružić (born 20 January 2003) is a Croatian tennis player. Ružić has a career-high singles ranking of world No. 69 by the WTA, achieved on 25 August 2025. 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.