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

Book: ∞ / 0

# move proof disproof
1 Bf8 0
2 g4 0
3 Ba6 0
4 c5 0
5 Re8 0
6 Na6 0
7 Rf8 0
8 a5 0
9 Rg8 0
10 Bg7 0
11 Ke6 0
12 Rd8 0
13 Bb7 0
14 a6 0
15 Kc7 0
16 Ke7 0
17 Kd8 0
18 Ke8 0
19 Kd6 0