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

Book: ∞ / 0

# move proof disproof
1 f5 0
2 a6 0
3 Bb7 0
4 Qh5 0
5 Qg6 0
6 d5 0
7 Rb8 0
8 d6 0
9 Bg7 0
10 h6 0
11 Ba6 0
12 Qf7 0
13 e5 0
14 h5 0
15 Nh6 0
16 e6 0
17 Qd8 0
18 Bh6 0