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

Book: ∞ / 0

# move proof disproof
1 e5 0
2 Nf6 0
3 Na6 0
4 Nc6 0
5 e6 0
6 Kc6 0
7 Ke8 0
8 c5 0
9 Kd6 0
10 Bh6 0
11 a5 0
12 a6 0
13 c6 0
14 Rg7 0
15 Rg6 0
16 Qe8 0
17 Bb7 0
18 Ba6 0
19 Bg7 0
20 Ke6 0
21 Rh8 0