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

Book: ∞ / 0

# move proof disproof
1 Nh6 0
2 Rc8 0
3 f6 0
4 g6 0
5 Ra8 0
6 b6 0
7 b4 0
8 e5 0
9 Ke8 0
10 Kc8 0
11 Kc7 0
12 Rh7 0
13 h4 0
14 d6 0
15 e6 0
16 g5 0
17 d5 0
18 f5 0
19 Nf6 0
20 Rh6 0