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

Book: ∞ / 0

# move proof disproof
1 h5 0
2 Rd8 0
3 a5 0
4 d6 0
5 e5 0
6 d5 0
7 Rf8 0
8 Rg8 0
9 Ba6 0
10 Bb7 0
11 Rb8 0
12 Re8 0
13 a6 0