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

Book: ∞ / 0

# move proof disproof
1 Ke6 0
2 h5 0
3 d5 0
4 Ke5 0
5 Rg8 0
6 d6 0
7 Rb7 0
8 Bb7 0
9 a5 0
10 Rc7 0
11 h6 0
12 Kf5 0
13 Kg5 0
14 Kg6 0
15 Ra8 0
16 g6 0
17 Kf7 0
18 g5 0
19 e5 0
20 e6 0