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 Kc2 draw
3 Kd2 draw
4 Kdd4 draw
5 Ke2 draw
6 Ra3 draw
7 Rb3 draw
8 Rc1 draw
9 Rc2 draw
10 Kb3 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kcd4 loss in 1 half-moves
15 Ke3 loss in 1 half-moves
16 Ke4 loss in 1 half-moves