| Singles | |
|---|---|
| 2021 LTP Charleston Pro Tennis II | |
| Champion |  Despina Papamichail |
| Runner-up |  Gabriela Cé |
| Score | 1–6, 6–3, 6–3 |
Caroline Dolehide was the defending champion, having won the previous edition in 2019, [1] however she chose to participate in qualifying for Wimbledon instead.
Despina Papamichail won the title, defeating Gabriela Cé in the final, 1–6, 6–3, 6–3.
Conny Perrin (first round) Despina Papamichail (champion)
Hanna Chang (second round) Alycia Parks (second round)
Kyōka Okamura (first round) Gabriela Cé (final)
Marcela Zacarías (first round) Alexa Glatch (quarterfinals)| Semifinals | Final | ||||||||||||
 Sofia Shapatava | 3 | 0 | |||||||||||
| 6 | Gabriela Cé | 6 | 6 | ||||||||||
| 6 | Gabriela Cé | 6 | 3 | 3 | |||||||||
| 2 | Despina Papamichail | 1 | 6 | 6 | |||||||||
| Fernanda Contreras | 2 | 2 | |||||||||||
| 2 | Despina Papamichail | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | C Perrin | 4 | 63 | ||||||||||||||||||||||||
| Q | Q Gleason | 6 | 77 | Q | Q Gleason | 6 | 62 | 2 | |||||||||||||||||||
| S Shapatava | 6 | 5 | 6 | S Shapatava | 0 | 77 | 6 | ||||||||||||||||||||
| N Hanatani | 4 | 7 | 1 | S Shapatava | 2 | 6 | 6 | ||||||||||||||||||||
| PR |  S Xu | 3 | 4 | S Chang | 6 | 4 | 2 | ||||||||||||||||||||
| S Chang | 6 | 6 | S Chang | 6 | 6 | ||||||||||||||||||||||
| Q | L Chirico | 6 | 7 | Q | L Chirico | 2 | 2 | ||||||||||||||||||||
| 7 | M Zacarías | 1 | 5 | S Shapatava | 3 | 0 | |||||||||||||||||||||
| 3 | H Chang | 77 | 6 | 6 | G Cé | 6 | 6 | ||||||||||||||||||||
| SE | P Stearns | 63 | 4 | 3 | H Chang | 6 | 3 | 2 | |||||||||||||||||||
| AS Sánchez | 6 | 4 | 7 | AS Sánchez | 2 | 6 | 6 | ||||||||||||||||||||
 ML Carlé | 2 | 6 | 5 | AS Sánchez | 4 | 2 | |||||||||||||||||||||
| M Mateas | 6 | 0 | 713 | 6 | G Cé | 6 | 6 | ||||||||||||||||||||
| K Stewart | 4 | 6 | 611 | M Mateas | 1 | 4 | |||||||||||||||||||||
| Q | M Sanchez | 0 | 2 | 6 | G Cé | 6 | 6 | ||||||||||||||||||||
| 6 | G Cé | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | K Okamura | 3 | 69 | ||||||||||||||||||||||||
 F Stollár | 6 | 711 | F Stollár | 0r | |||||||||||||||||||||||
| Q |  G Topalova | 4 | 2 | WC | E Navarro | 5 | |||||||||||||||||||||
| WC | E Navarro | 6 | 6 | WC | E Navarro | 4 | 4 | ||||||||||||||||||||
| WC | E Kalieva | 0 | 4 | F Contreras | 6 | 6 | |||||||||||||||||||||
| F Contreras | 6 | 6 | F Contreras | 6 | 6 | ||||||||||||||||||||||
| WC | E Yu | 3 | 6 | 3 | 4 | A Parks | 3 | 3 | |||||||||||||||||||
| 4 | A Parks | 6 | 3 | 6 | F Contreras | 2 | 2 | ||||||||||||||||||||
| 8 | A Glatch | 6 | 2 | 7 | 2 | D Papamichail | 6 | 6 | |||||||||||||||||||
| Q | E Sema | 2 | 6 | 5 | 8 | A Glatch | 6 | 4 | 6 | ||||||||||||||||||
| Q |  P Hourigan | 6 | 64 | 1 | Q | E Davis | 4 | 6 | 1 | ||||||||||||||||||
| Q | E Davis | 4 | 77 | 6 | 8 | A Glatch | 6 | 0 | 4 | ||||||||||||||||||
| WC | T Ng | 3 | 0 | 2 | D Papamichail | 4 | 6 | 6 | |||||||||||||||||||
| Q | C Chavatipon | 6 | 6 | Q | C Chavatipon | 3 | 3 | ||||||||||||||||||||
 A Sutjiadi | 6 | 3 | 1 | 2 | D Papamichail | 6 | 6 | ||||||||||||||||||||
| 2 | D Papamichail | 2 | 6 | 6 | |||||||||||||||||||||||
This was a new tournament in 2021.
Fiona Ferro was the defending champion, but she chose not to participate, as she was competing at the Summer Olympics.
Maja Chwalińska was the defending champion but chose not to participate.
This was the first edition of the tournament.
Anhelina Kalinina was the defending champion but chose not to participate.
Jule Niemeier was the defending champion but chose not to participate.
Jasmine Paolini was the defending champion but chose not to participate.
Varvara Gracheva was the defending champion but chose not to participate.
Lizette Cabrera and Julia Grabher were the defending champions but chose not to participate.
Valentini Grammatikopoulou and Richèl Hogenkamp were the defending champions but chose not to participate.
Despina Papamichail was the defending champion but lost in the second round to Victoria Duval.
Yulia Putintseva was the defending champion, but was defeated in the semifinals by Aleksandra Krunić.
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Magdalena Fręch was the defending champion, but chose to compete at the US Open instead.
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This was the first edition of the tournament.
Antonia Ružić was the defending champion but chose not to participate.
This was the first edition of the tournament.
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