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

EGTB: win in 4 half-moves

# move score
1 Rd3 win in 3 half-moves
2 K5d4 draw
3 K5e4 draw
4 Kd3 draw
5 Kd5 draw
6 Kd6 draw
7 Ke6 draw
8 Ra5 draw
9 Ra7 draw
10 Rb3 draw
11 Rc3 draw
12 K3d4 loss in 2 half-moves
13 K3e4 loss in 2 half-moves
14 K3f4 loss in 2 half-moves
15 K5f4 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Kf3 loss in 2 half-moves
20 Kf5 loss in 2 half-moves
21 Kf6 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Ra6 loss in 2 half-moves
26 Ra8 loss in 2 half-moves