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

EGTB: win in 44 half-moves

# move score
1 Kb4 win in 43 half-moves
2 Kb5 win in 43 half-moves
3 Kc2 win in 43 half-moves
4 Kc1 win in 47 half-moves
5 Ka4 win in 51 half-moves
6 Ra2 win in 51 half-moves
7 Ka6 draw
8 Kb6 draw
9 Kd2 draw
10 Ke1 draw
11 Rb1 draw
12 Rc1 draw
13 Ke2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves