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

Book: ∞ / 0

# move proof disproof
1 Re8 0
2 Nh6 0
3 a6 0
4 Bg7 0
5 a5 0
6 Kd6 0
7 Kb8 0
8 Kd8 0
9 Kb6 0
10 Kd7 0
11 Ra8 0
12 Rb8 0
13 Rd8 0
14 Kb7 0
15 Nf6 0
16 f6 0
17 f5 0
18 Bh6 0
19 c5 0
20 e6 0