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

Book: ∞ / 0

# move proof disproof
1 c6 0
2 Kd6 0
3 Ra8 0
4 Re8 0
5 Rc8 0
6 a6 0
7 Ng8 0
8 Nf5 0
9 Bg7 0
10 Ke6 0
11 Kc6 0
12 Rb8 0
13 c5 0
14 a5 0
15 f5 0
16 f6 0
17 e6 0
18 Ng4 0
19 Ke8 0
20 Kc8 0