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

Book: ∞ / 0

# move proof disproof
1 Na6 0
2 Nc6 0
3 Ng5 0
4 Ke6 0
5 Rc8 0
6 f5 0
7 Re8 0
8 Rg8 0
9 a5 0
10 Kc7 0
11 Nf8 0
12 Rf8 0
13 Rh8 0
14 Ke8 0
15 Kc8 0
16 Ke7 0
17 Kc6 0
18 a6 0
19 Kd6 0