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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 d5 0
3 d6 0
4 Rb8 0
5 g5 0
6 Kf6 0
7 Kd6 0
8 Nh6 0
9 Nf6 0
10 e5 0
11 h6 0
12 Kf8 0
13 Ke8 0
14 Kd8 0
15 Kf7 0
16 g6 0
17 Ba6 0
18 h5 0
19 Bb7 0