| Singles | |
|---|---|
| 2021 Boar's Head Resort Women's Open | |
| Champion |  Claire Liu |
| Runner-up |  Wang Xinyu |
| Final score | 3–6, 6–4, 4–1, ret. |
Whitney Osuigwe was the defending champion, having won the last edition in 2019 [1] but retired in the first round against Arianne Hartono.
Claire Liu won the title after Wang Xinyu retired in the final at 3–6, 6–4, 4–1.
Madison Brengle (First round, retired)
Mayar Sherif (Second round) Kristie Ahn (First round)
Irina Bara (Second round)
Olga Govortsova (First round) Wang Xinyu (Final, retired)
Harriet Dart (Quarterfinals, withdrew)
Magdalena Fręch (First round)| Semifinals | Final | ||||||||||||
| Sachia Vickery | 3 | 3 | |||||||||||
| Claire Liu | 6 | 6 | |||||||||||
| Claire Liu | 3 | 6 | 4 | ||||||||||
| 6 | Wang Xinyu | 6 | 4 | 1r | |||||||||
| Q | Katie Boulter | 3 | 0r | ||||||||||
| 6 | Wang Xinyu | 6 | 0 | ||||||||||
| First Round | Second Round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Brengle | 5 | 6 | 5r | |||||||||||||||||||||||
 Ar Rodionova | 7 | 4 | 6 | Ar Rodionova | 2 | 4 | |||||||||||||||||||||
| A Kiick | 7 | 6 | A Kiick | 6 | 6 | ||||||||||||||||||||||
| Q | G Min | 5 | 4 | A Kiick | 3 | 5 | |||||||||||||||||||||
| W Osuigwe | 4 | 6 | 0r | S Vickery | 6 | 7 | |||||||||||||||||||||
| Q |  A Hartono | 6 | 4 | 4 | Q | A Hartono | 2 | 4 | |||||||||||||||||||
| S Vickery | 4 | 6 | 6 | S Vickery | 6 | 6 | |||||||||||||||||||||
| 8 | M Fręch | 6 | 2 | 3 | S Vickery | 3 | 3 | ||||||||||||||||||||
| 4 | I Bara | 7 | 7 | C Liu | 6 | 6 | |||||||||||||||||||||
| G Talabă | 5 | 5 | 4 | I Bara | 2 | 0 | |||||||||||||||||||||
| Q | H Chang | 1 | 1 | C Liu | 6 | 6 | |||||||||||||||||||||
| C Liu | 6 | 6 | C Liu | w/o | |||||||||||||||||||||||
| Q |  A Sutjiadi | 6 | 4 | 77 | 7 | H Dart | |||||||||||||||||||||
| R Anderson | 3 | 6 | 65 | Q | A Sutjiadi | 3 | 4 | ||||||||||||||||||||
 V Cepede Royg | 6 | 3 | 5 | 7 | H Dart | 6 | 6 | ||||||||||||||||||||
| 7 | H Dart | 3 | 6 | 7 | |||||||||||||||||||||||
| First Round | Second Round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | O Govortsova | 4 | 3 | ||||||||||||||||||||||||
| WC | A Parks | 6 | 6 | WC | A Parks | 6 | 6 | ||||||||||||||||||||
 M Hibi | 4 | 62 | Q |  U Eikeri | 4 | 1 | |||||||||||||||||||||
| Q | U Eikeri | 6 | 77 | WC | A Parks | 2 | 3 | ||||||||||||||||||||
 C Paquet | 65 | 0r | Q | K Boulter | 6 | 6 | |||||||||||||||||||||
| Q | K Boulter | 77 | 2 | Q | K Boulter | 6 | 6 | ||||||||||||||||||||
| Q | M Mateas | 3 | 6 | 6 | Q | M Mateas | 4 | 0 | |||||||||||||||||||
| 3 | K Ahn | 6 | 4 | 3 | Q | K Boulter | 3 | 0r | |||||||||||||||||||
| 6 | Xin Wang | 6 | 6 | 6 | Xin Wang | 6 | 0 | ||||||||||||||||||||
| UM Arconada | 4 | 2 | 6 | Xin Wang | 6 | 6 | |||||||||||||||||||||
| WC | K Volynets | 6 | 1 | 6 | WC | K Volynets | 1 | 3 | |||||||||||||||||||
| D Lao | 2 | 6 | 4 | 6 | Xin Wang | 6 | 3 | 6 | |||||||||||||||||||
| H Baptiste | 6 | 6 | H Baptiste | 1 | 6 | 3 | |||||||||||||||||||||
| Q | J Loeb | 2 | 2 | H Baptiste | 6 | 77 | |||||||||||||||||||||
| WC | E Navarro | 4 | 1 | 2 | M Sherif | 3 | 64 | ||||||||||||||||||||
| 2 | M Sherif | 6 | 6 | ||||||||||||||||||||||||
Paula Arias Manjón and Olga Danilović were the defending champions, but they lost in the first round to Chen Pei-hsuan and Naho Sato.
Anastasia Potapova was the defending champion, but chose to compete in the Ladies' Singles main draw as a qualifier, where she retired in the first round against Tatjana Maria.
Usue Maitane Arconada and Claire Liu were the defending champions, however Arconada was no longer eligible to participate in junior events. Liu partnered Taylor Johnson, but lost in the quarterfinals to María José Portillo Ramírez and Sofia Sewing.
Duan Yingying was the defending champion, but lost in the first round to Arina Rodionova.
Jada Hart and Ena Shibahara were the defending champions, but both players were ineligible to participate.
Liang En-shuo won the girls' singles title at the 2018 Australian Open, defeating Clara Burel in the final, 6–3, 6–4.
Liang En-shuo and Wang Xinyu won the Girls' Doubles tennis title at the 2018 Australian Open, defeating Violet Apisah and Lulu Sun in the final, 7–6(7–4), 4–6, [10–5].
Lyudmyla and Nadiia Kichenok were the defending champions, but they chose to compete at the 2018 BNP Paribas Open instead.
Claire Liu was the defending champion, but chose to compete in the ladies' singles as a qualifier, she lost to Angelique Kerber in the second round.
Olga Danilović and Kaja Juvan were the defending champions, but both players chose not to participate.
Natsumi Kawaguchi and Adrienn Nagy won the Girls' Doubles tennis title at the 2019 Australian Open, defeating Chloe Beck and Emma Navarro in the final, 6–4, 6–4.
Wang Xinyu and Wang Xiyu were the defending champions, but chose not to participate.
Ekaterine Gorgodze was the defending champion, but chose to participate at the 2019 Bucharest Open instead.
Wang Xinyu and You Xiaodi were the defending champions, but Wang chose to compete at the 2019 US Open instead. You partnered alongside Chihiro Muramatsu, but lost in the first round to Eudice Chong and Aldila Sutjiadi.
Jiang Xinyu and Tang Qianhui were the two-time defending champions, but lost in the semifinals to Peng Shuai and Zhang Shuai.
Caroline Garcia was the defending champion, but lost in the second round to Wang Yafan.
Zheng Saisai was the defending champion, but chose not to participate.
Wang Yafan was the defending champion, but chose not to participate.
Ylena In-Albon was the defending champion, but chose not to participate.
Madison Keys was the defending champion but lost to compatriot Sloane Stephens in the second round, in a rematch of the previous tournament's quarterfinal.