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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 f5 0
3 Kd6 0
4 Kc6 0
5 Bf8 0
6 f6 0
7 Ke6 0
8 Kc7 0
9 Kd8 0
10 Ke8 0
11 Na6 0
12 Nf8 0
13 Rf8 0
14 Nf6 0
15 Re8 0
16 Rd8 0
17 e6 0
18 Bb7 0
19 Ba6 0
20 Nc6 0
21 Rg8 0
22 Bg7 0
23 g4 0
24 e5 0