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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Rb3 win in 3 half-moves
3 Kc6 win in 5 half-moves
4 Kd6 win in 7 half-moves
5 Kc5 win in 9 half-moves
6 Kd3 draw
7 Kdc4 draw
8 Kdd4 draw
9 Ke4 draw
10 Ke5 draw
11 Ra5 draw
12 Ra7 draw
13 Kb2 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kcc4 loss in 2 half-moves
17 Kcd4 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Ra8 loss in 2 half-moves