2021 Koser Jewelers Tennis Challenge – Doubles
# 2021 Koser Jewelers Tennis Challenge – Doubles

Vania King and Claire Liu were the defending champions, having won the previous edition in 2019 however King retired from professional tennis in April, whilst Liu chose not to participate.

Hanna Chang and Alexa Glatch won the title, defeating Samantha Murray Sharan and Valeria Savinykh in the final, $7–6^{(7–3)},$ 3–6, [11–9].

## Seeds

* Greet Minnen / Lesley Pattinama Kerkhove (first round)
* Quinn Gleason / Jamie Loeb (quarterfinals)
* Samantha Murray Sharan / Valeria Savinykh (final)
* Ankita Raina / Renata Zarazúa (quarterfinals, withdrew)

## 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

### Draw

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | G Minnen L Pattinama Kerkhove | 2 | 6 | [6] | | | | | | | | | | | | | | | |
| | P Plipuech J Rompies | 6 | 4 | [10] | | P Plipuech J Rompies | 6 | 3 | [11] | | | | | | | | | | |
| Alt | C Bucșa B Haddad Maia | 6 | 6 | | Alt | C Bucșa B Haddad Maia | 4 | 6 | [9] | | | | | | | | | | |
| | M Barthel L Küng | 1 | 2 | | | | | | | | P Plipuech J Rompies | 5 | 6 | [5] | | | | | |
| 3 | S Murray Sharan V Savinykh | 6 | 6 | | | | | | | 3 | S Murray Sharan V Savinykh | 7 | 1 | [10] | | | | | |
| | M Fręch K Kawa | 4 | 3 | | 3 | S Murray Sharan V Savinykh | w/o | | | | | | | | | | | | |
| | A Kalinskaya C Tauson | 6 | 6 | | | A Kalinskaya C Tauson | | | | | | | | | | | | | |
| | L Cabrera F Di Lorenzo | 2 | 1 | | | | | | | | | | | | 3 | S Murray Sharan V Savinykh | $6^3$ | 6 | [9] |
| | Y-c Hsieh C-y Hsu | 7 | 6 | | | | | | | | | | | | WC | H Chang A Glatch | $7^7$ | 3 | [11] |
| | Y Bonaventure N Párrizas Díaz | 5 | 4 | | | Y-c Hsieh C-y Hsu | w/o | | | | | | | | | | | | |
| WC | S Chang S Whittle | 3 | 5 | | 4 | A Raina R Zarazúa | | | | | | | | | | | | | |
| 4 | A Raina R Zarazúa | 6 | 7 | | | | | | | | Y-c Hsieh C-y Hsu | 2 | 6 | [6] | | | | | |
| | M Brengle G Min | 6 | 3 | [7] | | | | | | WC | H Chang A Glatch | 6 | 1 | [10] | | | | | |
| WC | H Chang A Glatch | 1 | 6 | [10] | WC | H Chang A Glatch | 6 | 2 | [10] | | | | | | | | | | |
| WC | E Mandlik A Parks | 3 | 3 | | 2 | Q Gleason J Loeb | 2 | 6 | [8] | | | | | | | | | | |
| 2 | Q Gleason J Loeb | 6 | 6 | | | | | | | | | | | | | | | | |
