| Doubles | |
|---|---|
| 2021 Phillip Island Trophy | |
| Champions |  Ankita Raina  Kamilla Rakhimova |
| Runners-up | Anna Blinkova Anastasia Potapova |
| Score | 2–6, 6–4, [10–7] |
The Phillip Island Trophy was a new addition to the WTA Tour in 2021. [1]
Ankita Raina and Kamilla Rakhimova won the title, defeating Anna Blinkova and Anastasia Potapova in the final, 2–6, 6–4, [10–7]. [2]
Chan Hao-ching / Latisha Chan (quarterfinals)
Monica Niculescu / 
Yang Zhaoxuan (second round)
Kaitlyn Christian / Sabrina Santamaria (second round) Andreea Mitu / Raluca Olaru (second round)
Oksana Kalashnikova / 
Cornelia Lister (second round)
Kirsten Flipkens / Greet Minnen (second round)
Makoto Ninomiya / Wang Yafan (semifinals) Misaki Doi / Nao Hibino (first round, withdrew)| Semifinals | Final | ||||||||||||
| 7 | Makoto Ninomiya Wang Yafan | 4 | 3 | ||||||||||
| Anna Blinkova Anastasia Potapova | 6 | 6 | |||||||||||
| Anna Blinkova Anastasia Potapova | 6 | 4 | [7] | ||||||||||
| Ankita Raina Kamilla Rakhimova | 2 | 6 | [10] | ||||||||||
| Ankita Raina Kamilla Rakhimova | 4 | 6 | [11] | ||||||||||
 Francesca Jones  Nadia Podoroska | 6 | 4 | [9] | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | H-c Chan L Chan | 77 | 6 | ||||||||||||||||||||||||
| C McHale V Savinykh | 6 | 6 | C McHale V Savinykh | 65 | 4 | ||||||||||||||||||||||
Y Sizikova  R Voráčová | 3 | 2 | 1 | H-c Chan L Chan | 3 | 66 | |||||||||||||||||||||
M Bouzková  S Sorribes Tormo | 7 | M Ninomiya Y Wang | 6 | 78 | |||||||||||||||||||||||
 K Birrell O Gadecki | w/o | K Birrell O Gadecki | |||||||||||||||||||||||||
| 7 | M Ninomiya Y Wang | w/o | |||||||||||||||||||||||||
| 7 | M Ninomiya Y Wang | 4 | 3 | ||||||||||||||||||||||||
| A Blinkova A Potapova | 6 | 6 | |||||||||||||||||||||||||
| 4 | A Mitu R Olaru | 68 | 63 | ||||||||||||||||||||||||
| A Blinkova A Potapova | 6 | 6 | A Blinkova A Potapova | 710 | 77 | ||||||||||||||||||||||
| L Cabrera M Inglis | 1 | 1 | A Blinkova A Potapova | 6 | 7 | ||||||||||||||||||||||
| M Brengle L Davis | 4 | 0 |  K Bondarenko N Kichenok | 2 | 5 | ||||||||||||||||||||||
| K Bondarenko N Kichenok | 6 | 6 | K Bondarenko N Kichenok | 7 | 7 | ||||||||||||||||||||||
| 6 | K Flipkens G Minnen | 5 | 5 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | O Kalashnikova C Lister | 3 | 4 | ||||||||||||||||||||||||
| M Buzărnescu PM Țig | 1 | 63 | A Raina K Rakhimova | 6 | 6 | ||||||||||||||||||||||
| A Raina K Rakhimova | 6 | 77 | A Raina K Rakhimova | 6 | 77 | ||||||||||||||||||||||
 V Lapko A Sasnovich | 6 | 6 | V Lapko A Sasnovich | 4 | 62 | ||||||||||||||||||||||
| WC | D Aiava C Kempenaers-Pocz | 0 | 4 | V Lapko A Sasnovich | 6 | 6 | |||||||||||||||||||||
| 3 | K Christian S Santamaria | 4 | 3 | ||||||||||||||||||||||||
| A Raina K Rakhimova | 4 | 6 | [11] | ||||||||||||||||||||||||
| 8 | M Doi N Hibino | F Jones N Podoroska | 6 | 4 | [9] | ||||||||||||||||||||||
| G Da Silva-Fick P Yadlapalli | w/o | G Da Silva-Fick P Yadlapalli | 3 | 6 | [6] | ||||||||||||||||||||||
| A Osborne A Sharma | 2 | 4 |  P Martić  A Sevastova | 6 | 2 | [10] | |||||||||||||||||||||
| P Martić A Sevastova | 6 | 6 | P Martić A Sevastova | 3 | 2 | ||||||||||||||||||||||
| F Jones N Podoroska | 6 | 6 | F Jones N Podoroska | 6 | 6 | ||||||||||||||||||||||
 E Cocciaretto A Muhammad | 4 | 3 | F Jones N Podoroska | 6 | 4 | [10] | |||||||||||||||||||||
| 2 | M Niculescu Z Yang | 4 | 6 | [8] | |||||||||||||||||||||||
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