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

Book: ∞ / 0

# move proof disproof
1 Rc8 0
2 Nh6 0
3 Ra8 0
4 Rh6 0
5 e6 0
6 f6 0
7 Rh7 0
8 Kd7 0
9 Kd8 0
10 g6 0
11 h4 0
12 b4 0
13 b6 0
14 g5 0
15 e5 0
16 d5 0
17 Nf6 0
18 f5 0
19 Rd8 0