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

Book: ∞ / 0

# move proof disproof
1 Ke8 0
2 Ke6 0
3 Kc8 0
4 g5 0
5 e4 0
6 Kc6 0
7 g6 0
8 c5 0
9 c6 0
10 Kd6 0
11 Qe8 0
12 Qb8 0
13 Rc8 0
14 Rb8 0
15 e6 0
16 Qc8 0
17 a6 0
18 a5 0
19 Rh8 0