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

Book: ∞ / 0

# move proof disproof
1 Ke8 0
2 h6 0
3 c5 0
4 Ke6 0
5 Kc6 0
6 Bg7 0
7 a6 0
8 c6 0
9 Kd6 0
10 h5 0
11 Bh6 0
12 Nc6 0
13 Qe8 0
14 Na6 0
15 a5 0
16 Bb7 0
17 Ba6 0
18 Nf6 0
19 Nh6 0
20 e6 0
21 e5 0