ITF Women Cagnes-Sur-Mer | 05/11 11:55 | 27 | [116] Viktorija Golubic v Dayana Yastremska [180] | 5-7,6-1,4-6 | |
ITF Women Cagnes-Sur-Mer | 05/10 10:00 | 26 | [180] Dayana Yastremska v Jil Teichmann [149] | 6-3,6-3 | |
ITF Women Cagnes-Sur-Mer | 05/08 13:25 | 25 | [153] Olivia Rogowska v Dayana Yastremska [180] | 5-7,2-6 | |
ITF Women Cagnes-Sur-Mer Qual | 05/07 08:30 | 54 | [180] Dayana Yastremska v Jaimee Fourlis [224] | 6-2,6-2 | |
ITF Women Cagnes-Sur-Mer Qual | 05/06 08:30 | 54 | [177] Dayana Yastremska v Sara Cakarevic [325] | 6-3,7-5 | |
ITF Women Cagnes-Sur-Mer Qual | 05/05 08:00 | 54 | Dayana Yastremska v Lou Brouleau | 6-3,6-0 | |
WTA Stuttgart Qual | 04/22 14:15 | 46 | [161] Dayana Yastremska v Kaia Kanepi [62] | 2-6,4-6 | |
WTA Stuttgart Qual | 04/21 19:25 | 45 | [161] Dayana Yastremska v Marina Melnikova [306] | 6-3,6-3 | |
WTA - Charleston | 04/04 15:00 | 25 | [164] Dayana Yastremska v Bernarda Pera [101] | 6-7,6-1,4-6 | |
WTA - Charleston - Kvalifikation | 04/01 19:05 | 46 | [160] Maryna Zanevska v Dayana Yastremska [163] | 7-6,2-6,6-3 | |
WTA - Charleston - Kvalifikation | 03/31 20:55 | 45 | [223] Sesil Karatantcheva v Dayana Yastremska [163] | 7-6,4-6,4-6 | |
WTA - Acapulco | 02/27 02:15 | 25 | Monica Puig v Dayana Yastremska | Retired | |
WTA Acapulco Qual | 02/26 01:30 | - | Carol Zhao v Dayana Yastremska | 0-6,2-6 | |
WTA Acapulco Qual | 02/25 02:00 | 45 | Emina Bektas v Dayana Yastremska | 4-6,2-6 | |
WTA St. Petersburg Qual | 01/28 09:45 | 46 | Viktoria Kuzmova v Dayana Yastremska | 6-3,3-6,6-4 | |
WTA St. Petersburg Qual | 01/27 10:05 | 45 | Dayana Yastremska v Ekaterina Alexandrova | 4-6,6-3,6-2 | |
Australian Open Women Qual | 01/13 01:50 | 45 | Alexandra Dulgheru v Dayana Yastremska | 7-6,6-0 | |
Australian Open Women Qual | 01/11 03:45 | 44 | Dayana Yastremska v Misaki Doi | 6-3,6-1 | |
WTA Brisbane Qual | 12/31 02:00 | 54 | Dayana Yastremska v Kateryna Bondarenko | 2-6,6-4,4-6 | |
WTA Brisbane Qual | 12/30 03:05 | 46 | Natalia Vikhlyantseva v Dayana Yastremska | Walkover | |
WTA Brisbane Qual | 12/29 02:40 | 45 | Dayana Yastremska v Vera Lapko | 6-2,6-4 | |
ITF Women Dubai | 12/11 11:15 | 25 | [134] Vera Lapko v Dayana Yastremska [189] | 7-5,7-5 | |
WTA Moscow Qual | 10/14 12:00 | 45 | [165] Dayana Yastremska v Olga Savchuk [34] | 6-3,2-6,4-6 | |
WTA Moscow Qual | 10/14 10:45 | 45 | Dayana Yastremska v Anhelina Kalinina | Cancelled | |
ITF Women St. Petersburg | 09/23 08:00 | 29 | [208] Dayana Yastremska v Belinda Bencic [312] | 2-6,3-6 | |
ITF Women St. Petersburg | 09/22 09:50 | 28 | [46] Donna Vekic v Dayana Yastremska [208] | Retired | |
ITF Women St. Petersburg | 09/21 07:00 | 27 | [117] Aryna Sabalenka v Dayana Yastremska [208] | 6-3,5-7,1-6 | |
ITF Women St. Petersburg | 09/20 08:40 | 26 | [208] Dayana Yastremska v Vera Lapko [190] | 6-3,6-3 | |
ITF Women St. Petersburg | 09/18 09:45 | 25 | [208] Dayana Yastremska v Anna Zaja [200] | 6-3,6-4 | |
ITF Women Dunakeszi | 09/03 09:00 | 29 | [296] Katarina Zavatska v Dayana Yastremska [272] | 0-6,1-6 |
Dajana Oleksandrivna Jastremska (ukrainsk: Даяна Олександрівна Ястремська, født 15. maj 2000 i Odessa) er en ukrainsk tennisspiller.
Hun vandt i oktober 2018 sin første WTA-turnering, da hun vandt Hong Kong Open. Ved Wimbledon-mesterskaberne 2016 tabte hun finalen i pigesingle til Anastasia Potapova.
Jastremska var 14. oktober 2018 nummer 102 på WTAs verdensrangliste i single.