Saat itu, Marcus Fernaldi Gideon [1]/Kevin Sanjaya Sukamuljo berhasil mengalahkan berhasil mengalahkan Mohammad Ahsan [4]/Hendra Setiawan.
Sementara di tunggal putri akan menyajikan duel wakil Jepang antara Nazomi Okuhara [3] kontra Akane Yamaguchi [4].
1. Hasil Semifinal Japan Open 2019 Wakil Indonesia
Jan O Jorgensen vs Jonatan Christie [6]: 14-21, 14-21
Mohammad Ahsan [4]/Hendra Setiawan vs Takeshi Kamura [2]/Keigo Sonoda: 22-20, 21-10
Marcus Fernaldi Gideon [1]/Kevin Sanjaya Sukamuljo vs Li Jun Hui [3]/Liu Yu Chen: 16-21, 21-11, 21-18
Hafiz Faizal [6]/Gloria Emanuelle Widjaja vs Praveen Jordan [7]/Melati Daeva Oktavianti: 15-21, 18-21
Berikut Hasil Perempat Final Japan Open 2019, Jumat (26/7/2019):
Greysia Polii/Apriyani Rahayu vs Kim So Yeong/Kong Hee Yong (Korea Selatan): 12-21, 12-21
Zheng Si Wei/Huang Ya Qiong (China) vs Hafiz Faizal/Gloria Emanuelle Widjaja: 17-21, 21-15, 19-21
Anthony Sinisuka Ginting vs Kento Momota (Jepang): 13-21, 22-20, 15-21
Marcus Fernaldi Gideon/Kevin Sanjaya Sukamuljo vs Aaron Chia/Soh Wooi Yik (Malaysia): 21-14, 22-24, 21-15
Jonatan Christie vs Anders Antonsen (Denmark): 21-12, 21-14
Tommy Sugiarto vs Sai Praneeth B (India): 12-21, 15-21