# 2021 Dow Tennis Classic – Singles

Shelby Rogers was the defending champion, but chose not to participate.
Madison Brengle won the title, defeating Robin Anderson in the final, 6–2, 6–4.

## Seeds

* Madison Brengle (champion)
* Misaki Doi (quarterfinals, retired)
* Maddison Inglis (first round)
* Harriet Dart (first round)
* Caty McNally (semifinals)
* Katarzyna Kawa (second round)
* Lizette Cabrera (quarterfinals)
* Hailey Baptiste (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Madison Brengle | 6$^2$ | 7$^{10}$ | 6 | | | | |
| | Danielle Lao | 7$^7$ | 6$^8$ | 0 | | | | |
| | Danielle Lao | 7$^7$ | 6$^8$ | 0 | 1 | Madison Brengle | 6 | 6 |
| | | | | | | Robin Anderson | 2 | 4 |
| | Robin Anderson | 5 | 6 | 6 | | Robin Anderson | 2 | 4 |
| 5 | Caty McNally | 7 | 3 | 4 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | M Brengle | 4 | 6 | 6 | | | | | | | | | | | | | | | |
| | A Muhammad | 6 | 1 | 2 | 1 | M Brengle | 6 | 6 | | | | | | | | | | | |
| WC | A Krueger | 4 | 6$^6$ | | | S Vickery | 2 | 0 | | | | | | | | | | | |
| | S Vickery | 6 | 7$^8$ | | | | | | | 1 | M Brengle | 6 | 6 | | | | | | |
| | K Nara | 7$^7$ | 6 | | | | | | | 7 | L Cabrera | 0 | 0 | | | | | | |
| | H Chang | 6$^2$ | 3 | | | K Nara | 6 | 2 | 1 | | | | | | | | | | |
| PR | N-l Han | 6$^2$ | 3 | | 7 | L Cabrera | 4 | 6 | 6 | | | | | | | | | | |
| 7 | L Cabrera | 7$^7$ | 6 | | | | | | | | | | | | 1 | M Brengle | 6$^2$ | 7$^{10}$ | 6 |
| 4 | H Dart | 1 | 7 | 3 | | | | | | | | | | | | D Lao | 7$^7$ | 6$^8$ | 0 |
| | C Perrin | 6 | 5 | 6 | | C Perrin | 1 | 7 | 3 | | | | | | | | | | |
| | F Di Lorenzo | 6 | 4 | 6 | | F Di Lorenzo | 6 | 5 | 6 | | | | | | | | | | |
| Q | E Douglas | 4 | 6 | 4 | | | | | | | F Di Lorenzo | 6 | 4 | 2 | | | | | |
| PR | Jia Lu | 6$^5$ | 5 | | | | | | | | D Lao | 3 | 6 | 6 | | | | | |
| Q | A Glatch | 7$^7$ | 7 | | Q | A Glatch | 2 | 4 | | | | | | | | | | | |
| | D Lao | 3 | 6 | 6 | | D Lao | 6 | 6 | | | | | | | | | | | |
| 8 | H Baptiste | 6 | 3 | 1 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | K Kawa | 6 | 6 | | | | | | | | | | | | | | |
| | A Parks | 3 | 1 | | 6 | K Kawa | 3 | 3 | | | | | | | | | |
| | T Maria | 5 | 5 | | | R Anderson | 6 | 6 | | | | | | | | | |
| | R Anderson | 7 | 7 | | | | | | | R Anderson | 6 | 6 | | | | | |
| | M Zacarías | 4 | 6 | 3 | | | | | WC | K Scott | 2 | 2 | | | | | |
| Q | C Harrison | 6 | 4 | 6 | Q | C Harrison | 3 | 1 | | | | | | | | | |
| WC | K Scott | 6 | 6 | | WC | K Scott | 6 | 6 | | | | | | | | | |
| 3 | M Inglis | 4 | 4 | | | | | | | | | | | R Anderson | 5 | 6 | 6 |
| 5 | C McNally | 6 | 7 | | | | | | | | | | 5 | C McNally | 7 | 3 | 4 |
| WC | R Brantmeier | 3 | 5 | | 5 | C McNally | 6 | 6 | | | | | | | | | |
| WC | E Kalieva | 6 | 1 | | WC | E Kalieva | 0 | 3 | | | | | | | | | |
| | W Osuigwe | 3 | 0$^r$ | | | | | | 5 | C McNally | 6 | 4 | | | | | |
| Q | D Hewitt | 6 | 3 | 6 | | | | | 2 | M Doi | 4 | 2$^r$ | | | | | |
| | G Min | 3 | 6 | 1 | Q | D Hewitt | 3 | 2 | | | | | | | | | |
| | K Volynets | 7 | 1 | 6$^5$ | 2 | M Doi | 6 | 6 | | | | | | | | | |
| 2 | M Doi | 5 | 6 | 7$^7$ | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Catherine Harrison (qualified)
* Marie Benoît (qualifying competition)
* Alexa Glatch (qualified)
* Katherine Sebov (qualifying competition)
* Peangtarn Plipuech (first round)
* Aldila Sutjiadi (qualifying competition)
* Sophie Chang (qualifying competition)
* Nagi Hanatani (first round)

### Qualifiers

* Catherine Harrison
* Dalayna Hewitt
* Alexa Glatch
* Ellie Douglas

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Catherine Harrison | 6 | 6 | | | | |
| | Alexandra Riley | 0 | 0 | | | | |
| | Alexandra Riley | 0 | 0 | 1 | Catherine Harrison | 7$^7$ | 6 |
| | | | | 6 | Aldila Sutjiadi | 6$^5$ | 3 |
| WC | Karina Miller | 2 | 5 | 6 | Aldila Sutjiadi | 6$^5$ | 3 |
| 6 | Aldila Sutjiadi | 6 | 7 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Marie Benoît | 6 | 6 | | | | | | |
| WC | Emma Lella | 3 | 0 | | | | | | |
| WC | Emma Lella | 3 | 0 | | 2 | Marie Benoît | 2 | 6 | 4 |
| | | | | | | Dalayna Hewitt | 6 | 1 | 6 |
| | Dalayna Hewitt | 2 | 6 | 6 | | Dalayna Hewitt | 6 | 1 | 6 |
| 8 | Nagi Hanatani | 6 | 2 | 0 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Alexa Glatch | 6 | 6 | | | | | |
| | Beatrice Gumulya | 2 | 1 | | | | | |
| | Beatrice Gumulya | 2 | 1 | | 3 | Alexa Glatch | 6 | 6 |
| | | | | | 7 | Sophie Chang | 4 | 1 |
| PR | Ivana Popovic | 4 | 6 | 3 | 7 | Sophie Chang | 4 | 1 |
| 7 | Sophie Chang | 6 | 3 | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Katherine Sebov | 2 | 7$^9$ | 6 | | | | |
| | Quinn Gleason | 6 | 6$^7$ | 2 | | | | |
| | Quinn Gleason | 6 | 6$^7$ | 2 | 4 | Katherine Sebov | 2 | 3 |
| | | | | | | Ellie Douglas | 6 | 6 |
| | Ellie Douglas | 6 | 6 | | | Ellie Douglas | 6 | 6 |
| 5/PR | Peangtarn Plipuech | 3 | 2 | | | | | |