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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 Ke6 0
3 a6 0
4 e6 0
5 Nf6 0
6 g4 0
7 f6 0
8 Na6 0
9 Rg8 0
10 a5 0
11 Bg7 0
12 f5 0
13 e5 0
14 Kd6 0
15 Kc7 0
16 Kd8 0
17 Ke8 0
18 Bh6 0
19 Bb7 0
20 Ba6 0