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

Book: ∞ / 0

# move proof disproof
1 Rd8 0
2 Re8 0
3 Rf8 0
4 Nf6 0
5 Nf8 0
6 Rc8 0
7 Na6 0
8 Kd6 0
9 Kc6 0
10 Ra7 0
11 Ra6 0
12 Kc7 0
13 Kc8 0
14 Ke8 0
15 Ke7 0
16 Ke6 0
17 Rg8 0
18 Kd8 0
19 Nc6 0