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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 Nd7 0
3 Rh8 0
4 a6 0
5 h4 0
6 Nh7 0
7 c5 0
8 g5 0
9 c6 0
10 Rg7 0
11 Rc8 0
12 Re8 0
13 Rb8 0
14 Rd8 0