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

Book: ∞ / 0

# move proof disproof
1 Qf7 0
2 Kd8 0
3 Qd8 0
4 Kc6 0
5 Qg6 0
6 a6 0
7 Nf6 0
8 Kd6 0
9 Bh6 0
10 Qh5 0
11 Nh6 0
12 Bg7 0
13 Rb8 0
14 e6 0
15 c5 0
16 Ke6 0
17 a5 0
18 c6 0
19 Ba6 0
20 Bb7 0