Name: Dayeon Back
Country: Republic of Korea
Birthdate: 24.01.02, 22 years
WTA ranking: 463
TOP ranking's position: 451 (18.03.24, 12600 points)
Points: 126
Prize money: 39.905 $
Matches total: 157
Win: 104
%: 66.24 %
Country: Republic of Korea
Birthdate: 24.01.02, 22 years
WTA ranking: 463
TOP ranking's position: 451 (18.03.24, 12600 points)
Points: 126
Prize money: 39.905 $
Matches total: 157
Win: 104
%: 66.24 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 5/5 | 2/4 | 3/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2023 | 44/15 | 44/15 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2022 | 19/11 | 19/11 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2021 | 7/8 | 2/3 | 5/4 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2020 | 1/1 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 18/7 | 18/7 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2018 | 6/3 | 3/2 | 0/0 | 3/1 | 0/0 | 0/0 | 0/0 |
| 2017 | 4/3 | 4/3 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 104/53 | 93/46 | 8/5 | 3/2 | 0/0 | 0/0 | 0/0 |
| perc. % | 66.24 % | 66.91 % | 61.54 % | 60 % | 0 % | 0 % | 0 % |
Dayeon Back / Fixtures
| 25.04.24 15:00 | 2nd round | Dayeon Back | Alice Soulie | match details |  W15 Monastir | Hard |
Dayeon Back form / year 2022 / surface: Hard
Dayeon Back / year 2022 / surface: Hard
| 19.09.22 | 1st round | Na-Lae Han | Dayeon Back | 6-1, 6-1 |  | match details |  Seoul | Hard |
| 18.09.22 | qual. | Dayeon Back | Daniela Vismane | 6-2, 6-3 |  | match details | ||
| 17.09.22 | q 1 | Dayeon Back | Lina Glushko | 7-5, 1-6, 6-1 | | match details | ||
| 11.09.22 | fin | Dayeon Back | Dabin Kim | 7-62, 3-0, Dabin Kim - retired | | match details | W15 Yeongwol | Hard |
| 10.09.22 | 1/2 | Dayeon Back | Yujin Ahn | 6-1, 4-6, 6-3 | | match details | ||
| 09.09.22 | 1/4 | Dayeon Back | Punnin Kovapitukted | 6-4, 6-1 | | match details | ||
| 08.09.22 | 2nd round | Dayeon Back | Na-Ri Kim | 3-4, Na-Ri Kim - retired | | match details | ||
| 06.09.22 | 1st round | Dayeon Back | Arisha Ladhani | 6-1, 6-0 | | match details | ||
| 01.09.22 | 2nd round | Sunam Jeong | Dayeon Back | 6-2, 6-0 | | match details | W15 Yeongwol | Hard |
| 30.08.22 | 1st round | Dayeon Back | Natsuho Arakawa | 6-0, 6-3 | | match details | ||
| 26.08.22 | 1/4 | Punnin Kovapitukted | Dayeon Back | 3-6, 7-66, 6-1 | | match details | W25 Goyang | Hard |
| 25.08.22 | 2nd round | Dayeon Back | Junri Namigata | 6-3, 6-1 | | match details | ||
| 24.08.22 | 1st round | Dayeon Back | Luksika Kumkhum | 6-3, 7-63 | | match details | ||
| 23.07.22 | 1/2 | Vaidehi Chaudhari | Dayeon Back | 6-3, 7-611 | | match details | W15 Monastir | Hard |
| 22.07.22 | 1/4 | Dayeon Back | Caroline Romeo | 6-1, 6-2 | | match details | ||
| 21.07.22 | 2nd round | Dayeon Back | Beatrice Stagno | 4-6, 6-0, 6-3 | | match details | ||
| 19.07.22 | 1st round | Dayeon Back | Lisa Mays | 6-1, 3-6, 7-65 | | match details | ||
| 14.07.22 | 2nd round | Karine Marion Job | Dayeon Back | 6-1, 6-3 | | match details | W15 Monastir | Hard |
| 12.07.22 | 1st round | Dayeon Back | Jennifer Luikham | 6-74, 6-3, 6-1 | | match details | ||
| 08.06.22 | 1st round | Na-Ri Kim | Dayeon Back | 6-3, 6-3 | | match details | W25 Incheon | Hard |
| 03.06.22 | 1/4 | Kurumi Nara | Dayeon Back | 6-3, 6-2 | | match details | W25 Changwon | Hard |
| 02.06.22 | 2nd round | Dayeon Back | Eunchae Kim | 6-4, 7-64 | | match details | ||
| 01.06.22 | 1st round | Dayeon Back | Sumin Kim | 6-1, 6-0 | | match details | ||
| 24.03.22 | 2nd round | Anna Brogan | Dayeon Back | 6-0, 6-2 | | match details |  W15 Sharm | Hard |
| 23.03.22 | 1st round | Dayeon Back | Yexin Ma | 6-75, 6-2, 7-5 | | match details | ||
| 15.03.22 | qual. | Kristina Dmitruk | Dayeon Back | 6-74, 6-2, 10-3 | | match details | W15 Sharm | Hard |
| 14.03.22 | q 2 | Dayeon Back | Nino Natsvlishvili | 6-2, 6-1 | | match details | ||
| 09.03.22 | 1st round | Tamari Gagoshidze | Dayeon Back | 2-6, 6-2, 7-5 | | match details | W15 Sharm | Hard |
| 03.03.22 | 2nd round | Hong Yi Cody Wong | Dayeon Back | 6-3, 6-2 | | match details | W15 Sharm | Hard |
| 02.03.22 | 1st round | Dayeon Back | Ilinca Dalina Amariei | 7-5, 6-3 | | match details |
