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 Kc6 draw
3 Rb5 draw
4 Rb6 draw
5 Rb8 draw
6 Kd6 loss in 22 half-moves
7 Kb8 loss in 10 half-moves
8 Kb6 loss in 6 half-moves
9 Kc8 loss in 6 half-moves
10 Kd7 loss in 4 half-moves
11 Kd8 loss in 4 half-moves
12 Ra7 loss in 4 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves