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

Book: ∞ / 0

# move proof disproof
1 Kf7 0
2 Ra6 0
3 Ra8 0
4 g6 0
5 e6 0
6 Kd8 0
7 h6 0
8 h5 0
9 d6 0
10 e5 0
11 Rb7 0
12 d5 0
13 Nh6 0
14 Nf6 0
15 Bb7 0
16 Ba6 0
17 a4 0
18 g5 0
19 Rc7 0