AKB48 group Unit Janken Tournament 2017 Preliminary Round (Day 1) was held in Makuhari Messe on 11 August 2017, below units have progressed to September's tournament:
Solo Unit
- Shirai Kotono
- Sakuranbo no Yosei (Sugahara Riko)
5-members unit
- otsuyoi (Fukushi Nao, Ego Yuna, Ichino Narumi, Uchiyama Mikoto, Saito Makiko)
- nyamm (Hayashi Momoka, Mita Mao, Tanigawa Airi, Azuma Yuki, Koga Narumi)
6-members unit
- Chou (Kurihara Sae, Yamashita Emiri, Matsumoto Hinata, Miyazaki Sono, Moriyasu Madoka Matsuoka Natsumi)