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

EGTB: win in 6 half-moves

# move score
1 Kb6 win in 5 half-moves
2 Rb1 draw
3 Rb2 draw
4 Ka7 loss in 2 half-moves
5 Ka8 loss in 2 half-moves
6 Kbc8 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kcc8 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves