Since both Morning Musume. '19 and Juice=Juice were interviewed seperately to promote the new singles in the The Television magazine July issue, the magazine staff decided that they have a little battle between the groups for bragging rights, a “Hello Pro Rival Battle”. They will do a mini sports fitness test, plus capturing the attention of the camera with cute idol appeal.


https://thetv.jp/news/detail/192808/Pedometer Dash Battle 1 - Miyazaki Yuka vs. Morito Chisaki (Battle of local girls love)
Result : Miyazaki 79, Morito 69
Pedometer Dash Battle 2 - Miyamoto Karin vs. Fukumura Mizuki (Battle of Love for Hello! Project)
Result : Miyamoto 79, Fukumura 76
Total together : Morning Musume. '19 145 steps, Juice=Juice 158 steps. Juice=Juice wins
-----

https://thetv.jp/news/detail/192808/p2/Abdominal reps in 30 seconds Battle - Ishida Ayumi vs. Inaba Manaka (Battle of two Hello Pro Dance Queens)
Result : Ishida 26 reps, Inaba 28 reps.


Pushups battle - Kaga Kaede vs. Dambara Ruru (Battle of Kenshuusei Ability Test Best Performance Award Winners)
Result : Kaga 31, Dambara 30
In a score of 2 wins to 1 loss, Juice=Juice is the victor
https://thetv.jp/news/detail/192808/1157614/Morning Musume. '19 lost
https://thetv.jp/news/detail/192808/1157620/OMAKE shot, if Juice=Juice lost. Photo was taken during the interview and didn't know outcome beforehand.
https://thetv.jp/news/detail/192808/1157617/