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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Rh8 0
3 Ra8 0
4 Re8 0
5 e6 0
6 e5 0
7 c6 0
8 h5 0
9 g6 0
10 Nh7 0
11 g5 0
12 Ng6 0
13 Nd7 0
14 c5 0
15 Rd8 0
16 a5 0
17 Ne6 0
18 Rb8 0