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

Book: ∞ / 0

# move proof disproof
1 Ra8 0
2 Nf6 0
3 Kf6 0
4 g5 0
5 g6 0
6 Ke8 0
7 Rc7 0
8 e6 0
9 Rb7 0
10 d5 0
11 d6 0
12 Ke6 0
13 Bb7 0
14 h5 0
15 Nh6 0
16 Kg6 0
17 h6 0