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

Book: ∞ / 0

# move proof disproof
1 Ke7 0
2 a5 0
3 Rf8 0
4 Rd8 0
5 Ke6 0
6 a6 0
7 Kc7 0
8 Nf8 0
9 Kc8 0
10 g4 0
11 Na6 0
12 Rc8 0
13 Rg8 0
14 Nc6 0
15 f5 0
16 Kd6 0
17 Kd8 0
18 Kc6 0
19 Re8 0
20 Ke8 0