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

Book: ∞ / 0

# move proof disproof
1 Kf5 0
2 Kf6 0
3 a5 0
4 Kf7 0
5 a6 0
6 Kh6 0
7 Ne7 0
8 Nc2 0
9 h6 0
10 Kh5 0
11 d5 0
12 Nf6 0
13 Rb8 0
14 Bb7 0
15 Ba6 0
16 Nh6 0
17 Nb3 0
18 d6 0
19 h5 0
20 Kg5 0