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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 Nf8 0
3 Ke6 0
4 Rb8 0
5 Kc6 0
6 Kd6 0
7 Qg8 0
8 Kd8 0
9 e5 0
10 c6 0
11 Rg8 0
12 e6 0
13 Bb7 0
14 Qf8 0
15 Qd8 0
16 Ra7 0
17 Rf8 0
18 f5 0
19 g4 0
20 f6 0
21 c5 0