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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kd7 draw
3 Rb1 draw
4 Rb4 draw
5 Rb5 draw
6 Ra7 loss in 4 half-moves
7 Kb6 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb8 loss in 2 half-moves