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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Kb5 win in 5 half-moves
3 Kc5 win in 5 half-moves
4 K4b4 draw
5 K3b4 loss in 2 half-moves
6 K3d3 loss in 2 half-moves
7 K3d4 loss in 2 half-moves
8 K4d3 loss in 2 half-moves
9 K4d4 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves