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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Rd6 win in 3 half-moves
3 Kb3 win in 5 half-moves
4 Kc4 win in 5 half-moves
5 Kd4 win in 5 half-moves
6 Rb6 win in 5 half-moves
7 Kd3 win in 7 half-moves
8 Kd6 win in 7 half-moves
9 Kb2 draw
10 Kc2 draw
11 Kd2 draw
12 Ra1 draw
13 Ra3 draw
14 Ra7 draw
15 Ra8 draw
16 Rc6 draw
17 Kd5 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Ke7 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
22 Kf6 loss in 2 half-moves
23 Kf7 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Ra4 loss in 2 half-moves
26 Ra5 loss in 2 half-moves