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

Book: ∞ / 0

# move proof disproof
1 Re8 0
2 Rf8 0
3 f6 0
4 Nc6 0
5 Ke6 0
6 Nf6 0
7 e5 0
8 c5 0
9 Na6 0
10 e6 0
11 Nf8 0
12 Ba6 0
13 f5 0
14 g4 0
15 Bb7 0
16 Ke8 0
17 Kd6 0
18 Rg8 0
19 Qg8 0
20 Qe8 0
21 Qf8 0
22 Kc6 0
23 c6 0
24 a6 0