Click on the third or sixth rank to set the en passant target square.

Book: ∞ / 0

# move proof disproof
1 Re8 0
2 Rd8 0
3 g5 0
4 d5 0
5 f5 0
6 Ra8 0
7 g6 0
8 a5 0
9 h5 0
10 e5 0
11 a6 0
12 e6 0
13 Rc8 0
14 d6 0
15 Rh8 0
16 Rb7 0