The fourth stage at Hachioji was won by Janja Garnbret and Aleksei Rubtsov.
Here’s the final result.

Men Results
1 Aleksei Rubtsov RUS
2 Tomoa Narasaki JPN
3 Keita Watabe JPN
4 Mickael Mawem FRA
5 Jakob Schubert AUT
6 Taisei Ishimatsu JPN

Women Results
1 Janja Garnbret SLO
2 Akiyo Noguchi JPN
3 Miho Nonaka JPN
4 Shauna Coxsey GBR
5 Fanny Gibert FRA
6 Petra Klingler SUI