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

Book: ∞ / 0

# move proof disproof
1 h5 0
2 g5 0
3 Bb7 0
4 e6 0
5 Nf6 0
6 e5 0
7 Kc7 0
8 Ke8 0
9 Kd8 0
10 Bg7 0
11 Kc6 0
12 a5 0
13 Rh7 0
14 Na6 0
15 a6 0
16 Kd6 0
17 Ke6 0
18 Nc6 0
19 Ba6 0