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

Book: ∞ / 0

# move proof disproof
1 e5 0
2 Kf5 0
3 Ke5 0
4 Kg7 0
5 Bg7 0
6 h6 0
7 Rg8 0
8 Ra7 0
9 h5 0
10 d5 0
11 d6 0
12 Bh6 0
13 a5 0
14 Bb7 0
15 e6 0
16 Kf7 0
17 Kg6 0
18 Ke6 0
19 g4 0
20 Rb8 0