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

Book: ∞ / 0

# move proof disproof
1 Rg8 0
2 Rd8 0
3 Rh8 0
4 h6 0
5 h5 0
6 Rf8 0
7 Kf7 0
8 Kf8 0
9 Kf6 0
10 Ba6 0
11 g6 0
12 g5 0
13 Rb8 0
14 Kd8 0
15 Ke6 0
16 Kd6 0
17 d6 0
18 Bb7 0
19 a6 0
20 d5 0