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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb5 win in 1 half-moves
3 Rb4 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 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Kb6 loss in 1 half-moves
16 Rb6 loss in 1 half-moves