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

Book: ∞ / 0

# move proof disproof
1 f5 0
2 g5 0
3 f6 0
4 h6 0
5 g6 0
6 Ke6 0
7 Kd6 0
8 Bb7 0
9 e5 0
10 Rg8 0
11 Nc6 0
12 Kc7 0
13 Kc6 0
14 a6 0
15 h5 0
16 a5 0
17 Ke8 0
18 Kd8 0
19 e6 0
20 Na6 0
21 Ba6 0