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

Book: ∞ / 0

# move proof disproof
1 Re8 0
2 Rc8 0
3 Rb8 0
4 c6 0
5 Bg7 0
6 Ke8 0
7 Kc8 0
8 Ng8 0
9 Kd6 0
10 e6 0
11 Ng4 0
12 Nf5 0
13 Ra8 0
14 f6 0
15 f5 0
16 c5 0
17 Ke6 0
18 Kc6 0
19 b4 0