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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 Raf8 0
3 Rhf8 0
4 Rae8 0
5 Rag8 0
6 Rhe8 0
7 c5 0
8 Rac8 0
9 g6 0
10 g5 0
11 Rhg8 0
12 e6 0
13 a6 0
14 h4 0
15 Nf8 0
16 Ng5 0
17 Rhb8 0
18 Rab8 0
19 Rad8 0
20 Rhd8 0
21 a5 0
22 Rhc8 0