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

Book: ∞ / 0

# move proof disproof
1 Rh3 0
2 Rh1 0
3 Rh4 0
4 e5 0
5 Rh5 0
6 Nd7 0
7 Kd8 0
8 Kd7 0
9 Rh8 0
10 a5 0
11 g6 0
12 Rh6 0
13 Kf7 0
14 Rh2 0
15 g5 0
16 Nc6 0