| ITF W25 Tainan | 06/21 02:00 | 25 | [437] Stephanie Judith Visscher v Ya Yi Yang [355] | 3-6,4-6 | |
| ITF W25 Tainan | 06/18 01:55 | 29 | [359] Ya Yi Yang v Ya-Hsuan Lee [364] | 6-3,6-1 | |
| ITF W25 Tainan | 06/17 02:00 | 28 | Ya Yi Yang v Irina Fetecau | 6-0,6-2 | |
| ITF W25 Tainan | 06/16 02:00 | 27 |
[359] Ya Yi Yang v
Kaylah McPhee
[344]
|
6-2,6-2 | |
| ITF W25 Tainan | 06/15 02:00 | 26 |
[458] Yi Tsen Cho
v
Ya Yi Yang [359] |
1-6,6-4,5-7 | |
| ITF W25 Tainan | 06/14 03:25 | 25 | Shefali Arora v Ya Yi Yang | 0-6,1-6 | |
| ITF W25 Poertschach | 06/06 12:00 | 25 | [500] Ya Yi Yang v Nina Potocnik [287] | 6-3,4-6,4-6 | |
| ITF W40 Otocec | 05/29 12:30 | 24 |
[500] Ya Yi Yang v
Susan Bandecchi
[358]
|
2-6,5-7 | |
| ITF W40 Otocec | 05/24 08:00 | 25 |
[258] Veronika Erjavec
v
Ya-Yi Yang [368] |
6-1,6-1 | |
| ITF W40 Otocec | 05/23 09:40 | 24 |
[368] Ya-Yi Yang v
CD Clan Juvenil
[356]
|
6-4,6-0 | |
| ITF W25 Osaka | 04/09 01:00 | 62 | Ya-Yi Yang v Gyeong Seo Lee | 6-2,6-7,6-10 | |
| ITF W25 Kashiwa | 04/03 03:20 | 19 | Ya Yi Yang v Dabin Kim | 4-6,3-6 | |
| ITF W25 Kofu | 03/28 06:05 | 62 |
[471] Ya Yi Yang v
Aoi Ito
[490]
|
5-7,3-6 | |
| ITF W25 Kofu | 03/28 00:30 | 62 | Ya-Yi Yang v Akiko Omae | 4-6,6-3,10-3 | |
| ITF W25 Kofu | 03/27 02:30 | 62 | Ya-Yi Yang v Yuka Hosoki | 6-0,6-4 | |
| ITF W60 Canberra | 03/23 05:30 | 26 |
[341] Naiktha Bains
v
Ya Yi Yang [471] |
4-6,7-6,6-4 | |
| ITF W60 Canberra | 03/21 23:00 | 25 | Zara Larke v Ya Yi Yang | 3-6,3-6 | |
| ITF W60 Canberra | 03/20 00:25 | 54 | [366] Ya Yi Yang v Riko Sawayanagi [486] | 6-3,0-6,1-6 | |
| ITF W60 Canberra Qual | 03/18 23:00 | 54 | Ya Yi Yang v Gabrielle Villegas | 6-4,6-4 | |
| ITF W60 Canberra | 03/15 23:00 | 26 |
[144] Olivia Gadecki
v
Ya Yi Yang [366] |
7-5,6-0 | |
| ITF W60 Canberra | 03/14 23:00 | 25 | Roopa Bains v Ya Yi Yang | 2-6,1-6 | |
| ITF W25 Swan Hill | 03/03 00:00 | 27 | [381] Ya Yi Yang v Giovine/Ormaechea [269] | 0-6,3-6 | |
| ITF W25 Swan Hill | 03/01 23:00 | 26 |
[358] Naiktha Bains
v
Ya Yi Yang [381] |
2-6,1-6 | |
| ITF W25 Swan Hill | 02/28 02:30 | 25 | [381] Ya Yi Yang v Gabriela Pantuckova [282] | 1-6,6-2,6-3 | |
| ITF W25 Swan Hill | 02/21 04:35 | 25 |
[144] Olivia Gadecki
v
Ya Yi Yang [386] |
5-7,6-3,6-2 | |
| ITF W40 Nonthaburi | 01/09 04:00 | 54 | [450] Krajicek/Klaasen v Ya Yi Yang [383] | 6-3,6-3 | |
| ITF W40 Nonthaburi Qual | 01/08 04:40 | 54 | Viera Deeperm v Ya Yi Yang | 2-6,0-6 | |
| ITF W40 Nonthaburi | 01/03 04:40 | 25 |
[409] Ya Yi Yang v
Gabriela Andrea Knutson
[470]
|
2-6,3-6 | |
| ITF W40 Nonthaburi | 01/02 04:55 | 54 | [459] Pei-Chi Lee v Ya Yi Yang [409] | 2-6,6-7 | |
| ITF W40 Nonthaburi | 01/01 07:35 | 54 | Tamachan Momkoonthod v Ya Yi Yang | 6-4,5-7,2-6 |
Yang Ya-yi (Chinese: 楊亞依; pinyin: Yáng Yàyī; born 30 May 2004) is a Taiwanese tennis player.
She has a career-high junior singles ranking by the International Tennis Federation (ITF) of 4, achieved on 26 December 2022. Her career-high by the Women's Tennis Association (WTA) is 203, achieved on 16 October 2023. On 18 September 2023, she peaked at No. 289 in the WTA doubles rankings.
Yang, who started playing tennis when she was three years old, represents the colours of Chinese Taipei in the Billie Jean King Cup.
- Singles:
- Doubles:
Yang made her WTA Tour debut at the 2023 Guadalajara Open, where she entered the main draw as a qualifier, losing in the first round to fourth seed Lucia Bronzetti.