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

Book: ∞ / 0

# move proof disproof
1 Kf8 0
2 Ke8 0
3 Ke7 0
4 g5 0
5 Kf6 0
6 e5 0
7 Kg6 0
8 g6 0
9 Nh6 0
10 Ne7 0
11 Ra8 0
12 Rb7 0
13 d6 0
14 Bb7 0
15 Nf6 0
16 d5 0
17 Rc7 0