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

EGTB: win in 2 half-moves

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