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

Book: ∞ / 0

# move proof disproof
1 Rd8 0
2 Re8 0
3 Kd6 0
4 Ke8 0
5 e5 0
6 Nc6 0
7 Ke7 0
8 Bb7 0
9 h5 0
10 Rg8 0
11 b4 0
12 h6 0
13 Rf8 0
14 Ra7 0
15 Kc6 0
16 Kd8 0
17 Kc7 0