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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 Nc6 0
3 Bf8 0
4 Rd8 0
5 Rf8 0
6 Bb7 0
7 Ke6 0
8 Ke8 0
9 Kd8 0
10 Ba6 0
11 Kc6 0
12 Bg7 0
13 Rg8 0
14 Re8 0
15 a6 0
16 Nf8 0
17 Kd6 0
18 a5 0
19 Na6 0
20 Kc7 0
21 e6 0
22 e5 0