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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Ra7 draw
3 Rb2 draw
4 Rb3 draw
5 Rb4 draw
6 K7b8 loss in 2 half-moves
7 K7d7 loss in 2 half-moves
8 K7d8 loss in 2 half-moves
9 K8b8 loss in 2 half-moves
10 K8d7 loss in 2 half-moves
11 K8d8 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb8 loss in 2 half-moves