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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Rb3 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 Bb8 win in 5 half-moves
6 Ra6 win in 5 half-moves
7 Rc6 win in 5 half-moves
8 Bd8 loss in 2 half-moves
9 Nb5 loss in 2 half-moves
10 Nb7 loss in 2 half-moves
11 Nc4 loss in 2 half-moves
12 Nc8 loss in 2 half-moves
13 Ne4 loss in 2 half-moves
14 Ne8 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Nf5 loss in 1 half-moves
19 Nf7 loss in 1 half-moves