| WTA - Dubai | 02/18 11:55 | 25 | [39] Veronika Kudermetova v Dayana Yastremska [26] | 5-7,6-3,7-6 | |
| Fed Cup 2020 | 02/08 10:55 | - | Dayana Yastremska v Elena Malygina | 6-3,6-1 | |
| Fed Cup 2020 | 02/07 13:55 | 2 | [26] Dayana Yastremska v Lea Boskovic [300] | 6-4,6-4 | |
| Fed Cup 2020 | 02/06 13:55 | 1 | [26] Dayana Yastremska v Isabella Shinikova [165] | 6-2,6-1 | |
| Australian Open - Frauen | 01/22 01:40 | 24 | [36] Caroline Wozniacki v Dayana Yastremska [21] | 7-5,7-5 | |
| Australian Open - Frauen | 01/20 23:30 | 23 | [127] Kaja Juvan v Dayana Yastremska [21] | 1-6,1-6 | |
| WTA - Adelaide | 01/18 06:00 | 29 | [1] Ashleigh Barty v Dayana Yastremska [24] | 6-2,7-5 | |
| WTA - Adelaide | 01/17 00:30 | 28 | [24] Dayana Yastremska v Aryna Sabalenka [12] | 6-4,7-6 | |
| WTA - Adelaide | 01/16 00:30 | 27 | [20] Donna Vekic v Dayana Yastremska [24] | 4-6,3-6 | |
| WTA - Adelaide | 01/15 02:30 | 26 | [24] Dayana Yastremska v Angelique Kerber [18] | Retired | |
| WTA - Adelaide | 01/13 05:20 | 25 | [24] Dayana Yastremska v Timea Babos [86] | 7-5,6-3 | |
| WTA - Brisbane | 01/07 05:50 | 25 | [9] Kiki Bertens v Dayana Yastremska [22] | 6-4,1-6,6-3 | |
| WTA - Zhuhai | 10/24 11:00 | 3 | [10] Kiki Bertens v Dayana Yastremska [24] | 6-4,6-3 | |
| WTA - Zhuhai | 10/23 09:15 | 2 | [20] Donna Vekic v Dayana Yastremska [24] | 6-7,2-6 | |
| WTA - Moskau | 10/16 11:35 | 26 | [28] Dayana Yastremska v Kirsten Flipkens [120] | 3-6,6-3,3-6 | |
| WTA - Moskau | 10/15 11:30 | 25 | [28] Dayana Yastremska v Daria Kasatkina [37] | 6-1,6-4 | |
| WTA - Tianjin | 10/11 11:00 | 27 | [45] Veronika Kudermetova v Dayana Yastremska [23] | 6-4,6-0 | |
| WTA - Tianjin | 10/10 03:00 | 26 | [96] Shuai Peng v Dayana Yastremska [23] | 2-6,4-6 | |
| WTA - Tianjin | 10/08 06:25 | 25 | [106] Lin Zhu v Dayana Yastremska [23] | 2-6,3-6 | |
| WTA - Peking | 09/30 06:00 | 25 | [26] Dayana Yastremska v Kiki Bertens [8] | 6-7,3-6 | |
| WTA - Peking | 09/29 07:15 | 24 | [30] Caroline Garcia v Dayana Yastremska [27] | 1-6,1-6 | |
| WTA - Wuhan | 09/26 11:10 | 27 | [7] Petra Kvitova v Dayana Yastremska [27] | 6-2,6-4 | |
| WTA - Wuhan | 09/25 11:00 | 26 | [27] Dayana Yastremska v Karolina Pliskova [2] | 6-1,6-4 | |
| WTA - Wuhan | 09/24 07:15 | 25 | [104] Christina McHale v Dayana Yastremska [27] | 3-6,6-7 | |
| WTA - Wuhan | 09/22 04:10 | 24 | [42] Ajla Tomljanovic v Dayana Yastremska [28] | 6-7,2-6 | |
| WTA - Osaka | 09/16 08:00 | 25 | [28] Dayana Yastremska v Anastasia Pavlyuchenkova [41] | 3-6,1-6 | |
| US Open - Damen | 08/30 23:00 | 25 | [5] Elina Svitolina v Dayana Yastremska [32] | 6-2,6-0 | |
| US Open - Damen | 08/29 15:00 | 24 | [71] Rebecca Peterson v Dayana Yastremska [32] | 4-6,1-6 | |
| US Open - Damen | 08/26 17:15 | 23 | [105] Monica Niculescu v Dayana Yastremska [32] | 4-6,6-1,2-6 | |
| WTA - Cincinnati | 08/14 20:00 | 25 | [153] Svetlana Kuznetsova v Dayana Yastremska [32] | 4-6,7-6,6-2 |
Wikipedia - Dajana Jastremska
Dajana Oleksandriwna Jastremska (ukrainisch Даяна Олександрівна Ястремська; * 15. Mai 2000 in Odessa) ist eine ukrainische Tennisspielerin.