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

Book: ∞ / 0

# move proof disproof
1 e6 0
2 h6 0
3 Qf7 0
4 Qd8 0
5 Rb7 0
6 e5 0
7 Rc7 0
8 d5 0
9 Bh6 0
10 Nf6 0
11 d6 0
12 h5 0
13 Nh6 0
14 g5 0
15 Bg7 0
16 Ra8 0
17 Bb7 0