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

Book: ∞ / 0

# move proof disproof
1 Kc6 0
2 Kc7 0
3 Rg8 0
4 Ke7 0
5 Ba6 0
6 Rh8 0
7 h6 0
8 Rb8 0
9 Rf8 0
10 h5 0
11 g6 0
12 Ke6 0
13 g5 0
14 Ke5 0
15 Re8 0
16 Bb7 0
17 a6 0
18 Kd5 0
19 Kc5 0