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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 h6 0
3 f5 0
4 Nf6 0
5 Bh6 0
6 c5 0
7 e5 0
8 e6 0
9 g5 0
10 f6 0
11 Ra7 0
12 Kc7 0
13 Nh6 0
14 Ke8 0
15 Kd8 0
16 Ke6 0
17 Bg7 0
18 h5 0
19 Bb7 0
20 Kd6 0