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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 e5 0
3 e6 0
4 Kf7 0
5 Bb7 0
6 Bh6 0
7 a6 0
8 g5 0
9 Ba6 0
10 d6 0
11 Kd8 0
12 h6 0
13 h5 0
14 Nf6 0
15 Nh6 0
16 Rb8 0
17 Bg7 0