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

Book: ∞ / 0

# move proof disproof
1 Re8 0
2 a6 0
3 Bg7 0
4 Ng8 0
5 f5 0
6 e5 0
7 Nf5 0
8 Rd8 0
9 f6 0
10 e6 0
11 d5 0
12 Rc8 0
13 Ng4 0
14 Rb8 0
15 a5 0