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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 Rg8 0
3 Ba6 0
4 h6 0
5 Ke8 0
6 Kc7 0
7 d6 0
8 Rb8 0
9 Ke7 0
10 Rf8 0
11 g6 0
12 g5 0
13 Re8 0
14 Bb7 0
15 h5 0
16 a6 0