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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Nb4 draw
3 Nc5 draw
4 Nc7 draw
5 Rb2 draw
6 Rb8 draw
7 Nb8 loss in 4 half-moves
8 Ra7 loss in 4 half-moves
9 d8=B loss in 2 half-moves
10 d8=K loss in 2 half-moves
11 d8=N loss in 2 half-moves
12 d8=Q loss in 2 half-moves
13 d8=R loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves