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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rb7 win in 1 half-moves
4 Rb2 draw
5 Kb6 loss in 2 half-moves
6 Kc4 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kd4 loss in 2 half-moves
9 Kd5 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Kb4 loss in 1 half-moves
15 Rb4 loss in 1 half-moves