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

Book: ∞ / 0

# move proof disproof
1 Nf5 0
2 Ng4 0
3 a6 0
4 d6 0
5 Rf8 0
6 Nf7 0
7 Ng8 0
8 Re8 0
9 Rb8 0
10 g6 0
11 g5 0
12 Rg8 0
13 Rd8 0
14 d5 0
15 Ba6 0
16 Bb7 0