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

Book: ∞ / 0

# move proof disproof
1 Bf8 0
2 e6 0
3 a5 0
4 c5 0
5 Nf7 0
6 Ndc6 0
7 Nbc6 0
8 Bb7 0
9 a6 0
10 c6 0
11 Re8 0
12 Rg8 0
13 Nb7 0
14 g4 0
15 Rf8 0
16 Kd6 0
17 Ne6 0
18 Ba6 0
19 Na6 0
20 Ke8 0
21 Kc6 0
22 Bg7 0
23 Ke6 0