Rika Fujiwara and Yuki Naito were the two-time defending champions, having won the previous editions in 2016 and 2017, however both players chose not to participate.

Choi Ji-hee and Han Na-lae won the title, defeating Haruka Kaji and Junri Namigata in the final, 6–3, 6–3.

Seeds

  1. Japan Nao Hibino / Japan Miyu Kato (quarterfinals)
  2. Japan Eri Hozumi / Japan Makoto Ninomiya (quarterfinals, withdrew)
  3. Japan Haruka Kaji / Japan Junri Namigata (final)
  4. South Korea Choi Ji-hee / South Korea Han Na-lae (champions)

Draw

Key

  • Q = Qualifier
  • WC = Wild card
  • LL = Lucky loser
  • Alt = Alternate
  • ITF = ITF entry
  • PR = Protected ranking
  • SR = Special ranking
  • SE = Special exempt
  • JE = Junior exempt
  • JR = Junior Accelerator Programme entrant
  • CO = College Accelerator Programme entrant
  • NG = Next Gen Accelerator Program entrant
  • w/o = Walkover
  • r = Retired
  • d = Defaulted

Draw

First roundQuarterfinalsSemifinalsFinal
1Japan N Hibino Japan M Kato46[10]
China S Xu China X You60[3]1Japan N Hibino Japan M Kato32
Japan K Morisaki Japan M Yonehara66Japan K Morisaki Japan M Yonehara66
United States N Cheong Japan R Ushijima14Japan K Morisaki Japan M Yonehara621
4South Korea J-h Choi South Korea N-l Han664South Korea J-h Choi South Korea N-l Han776
Japan R Saigo Japan Y Saigo014South Korea J-h Choi South Korea N-l Han26[13]
Japan M Ayukawa Japan E Sema27[5]Japan K Nara Japan Y Tanaka61[11]
Japan K Nara Japan Y Tanaka65[10]4South Korea J-h Choi South Korea N-l Han66
Japan M Imanishi China F Liu26[6]3Japan H Kaji Japan J Namigata33
Serbia N Kostić South Africa C Simmonds63[10]Serbia N Kostić South Africa C Simmonds33
Japan M Ozeki Australia I Popovic433Japan H Kaji Japan J Namigata66
3Japan H Kaji Japan J Namigata663Japan H Kaji Japan J Namigata677
South Korea S-j Jang South Korea D-b Kim36[8]Japan E Hayashi Japan A Shimizu364
Japan E Hayashi Japan A Shimizu62[10]Japan E Hayashi Japan A Shimizuw/o
Japan A Nagata Japan N Sato122Japan E Hozumi Japan M Ninomiya
2Japan E Hozumi Japan M Ninomiya66