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

Book: ∞ / 0

# move proof disproof
1 Ke6 0
2 Ke7 0
3 Kc7 0
4 Rd8 0
5 a5 0
6 a6 0
7 Rf8 0
8 Kc6 0
9 Kd6 0
10 Ke8 0
11 Kd8 0
12 Kc8 0
13 Re8 0
14 Na6 0
15 Rg8 0
16 Rc8 0
17 Nf6 0
18 Nf8 0
19 Nc6 0