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

Book: ∞ / 0

# move proof disproof
1 Rc7 0
2 Kd6 0
3 a5 0
4 Nf6 0
5 c5 0
6 Kc7 0
7 h5 0
8 Ke8 0
9 Kd8 0
10 g4 0
11 f5 0
12 Rb7 0
13 e6 0
14 h6 0
15 Ke6 0
16 Nh6 0
17 Ra8 0
18 Bb7 0
19 e5 0
20 f6 0