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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 a5 0
3 Rh8 0
4 h6 0
5 h5 0
6 a6 0
7 d6 0
8 Rb8 0
9 Bb7 0
10 Re8 0
11 Rf8 0
12 Ba6 0
13 Rd8 0
14 g5 0
15 g6 0