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

Book: ∞ / 0

# move proof disproof
1 Kf7 0
2 Ke7 0
3 Kf6 0
4 Kd6 0
5 Rg8 0
6 Re8 0
7 Rd8 0
8 h5 0
9 d6 0
10 g6 0
11 h6 0
12 Ba6 0
13 Kd5 0
14 g5 0
15 Ke5 0
16 Kf5 0
17 d5 0
18 Bb7 0
19 Rf8 0
20 Rb8 0
21 a6 0