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

Book: ∞ / 0

# move proof disproof
1 d6 0
2 Ne7 0
3 Ke7 0
4 Be7 0
5 Kd8 0
6 Kf7 0
7 Na6 0
8 f5 0
9 a6 0
10 g6 0
11 d5 0
12 g5 0
13 Nc6 0
14 Nh6 0
15 b6 0
16 b5 0
17 Bb4 0
18 Bd6 0
19 Bc5 0