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

Book: ∞ / 0

# move proof disproof
1 Ke6 0
2 Kd8 0
3 Ke8 0
4 a6 0
5 e6 0
6 Bg7 0
7 Nf6 0
8 a5 0
9 Rc7 0
10 Kc7 0
11 Kd6 0
12 Re8 0
13 Rd8 0
14 Ra8 0
15 Kc6 0
16 Rb8 0
17 e5 0
18 Ng5 0
19 c4 0
20 Rc6 0
21 Rg8 0
22 Bh6 0