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

EGTB: win in 4 half-moves

# move score
1 Rc3 win in 3 half-moves
2 Kf2 win in 7 half-moves
3 Kc4 win in 13 half-moves
4 Kc5 win in 13 half-moves
5 Kd5 win in 15 half-moves
6 Kc3 draw
7 Kdd3 draw
8 Kde4 draw
9 Ke5 draw
10 Ked3 draw
11 Ra4 draw
12 Ra8 draw
13 Rb3 draw
14 Rd3 draw
15 Kd2 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Kee4 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Ra7 loss in 2 half-moves