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

EGTB: win in 2 half-moves

# move score
1 Kb2 win in 1 half-moves
2 Kc2 draw
3 Ra2 draw
4 Rb1 draw
5 Kd1 loss in 2 half-moves
6 Kd2 loss in 2 half-moves
7 Ra3 loss in 2 half-moves
8 Ra5 loss in 2 half-moves
9 Ra6 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Kb1 loss in 1 half-moves
13 Ra4 loss in 1 half-moves