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

Book: ∞ / 0

# move proof disproof
1 Nb4 0
2 b6 0
3 b5 0
4 Ke8 0
5 Kc8 0
6 Ra8 0
7 h5 0
8 g6 0
9 f6 0
10 Nh6 0
11 f5 0
12 h6 0
13 Rc8 0
14 e5 0
15 e6 0
16 Kc7 0
17 Kd7 0
18 g5 0
19 Nc7 0
20 Nf6 0
21 Nc5 0