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

Book: ∞ / 0

# move proof disproof
1 h5 0
2 Kc6 0
3 Kd6 0
4 Ke7 0
5 c5 0
6 a5 0
7 Bf8 0
8 Na6 0
9 Nc6 0
10 Bb7 0
11 Bf6 0
12 Nf6 0
13 e4 0
14 Bh6 0
15 c6 0
16 a6 0
17 h6 0
18 Ke6 0
19 Nh6 0
20 Ne7 0
21 Ba6 0
22 Ke8 0
23 Kd8 0