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

Book: ∞ / 0

# move proof disproof
1 g6 0
2 h6 0
3 Re6 0
4 Ra7 0
5 Ra8 0
6 Kf7 0
7 Rg8 0
8 Rc6 0
9 g5 0
10 e6 0
11 e5 0
12 Kg6 0
13 h5 0
14 Kf5 0
15 Kg5 0
16 Ke6 0
17 Rd6 0
18 Rb6 0
19 d6 0
20 Bb7 0
21 Ke5 0