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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Ng5 0
3 Nf6 0
4 g6 0
5 a5 0
6 h5 0
7 g5 0
8 Rhd8 0
9 Rhc8 0
10 Nf8 0
11 Rad8 0
12 Rhg8 0
13 Rac8 0
14 Rag8 0
15 c5 0
16 c6 0
17 Rae8 0
18 Rhe8 0
19 Rab8 0
20 Rhb8 0
21 Raf8 0
22 Rhf8 0