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

Book: ∞ / 0

# move proof disproof
1 Kc7 0
2 Kd8 0
3 Qf7 0
4 Nc6 0
5 Qd8 0
6 Na6 0
7 Nh6 0
8 a5 0
9 Qh5 0
10 Qg6 0
11 Ba6 0
12 Bg7 0
13 Kd6 0
14 Ke6 0
15 Bb7 0
16 Kc6 0
17 Bh6 0
18 a6 0
19 e6 0
20 Nf6 0