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

Book: ∞ / 0

# move proof disproof
1 Ke6 0
2 c5 0
3 h5 0
4 h6 0
5 Rh8 0
6 Nc6 0
7 Na6 0
8 e6 0
9 Bb7 0
10 c6 0
11 a6 0
12 Kd6 0
13 a5 0
14 e5 0
15 Rf8 0
16 Rg8 0
17 Kc6 0
18 Ba6 0