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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kd3 win in 5 half-moves
3 Ke3 win in 5 half-moves
4 Ka2 draw
5 Kb1 draw
6 Kd4 draw
7 Kf3 draw
8 Kf4 draw
9 Ra2 draw
10 Ra4 draw
11 Ra5 draw
12 Ra6 draw
13 Rb3 draw
14 Re3 draw
15 Rf3 draw
16 Rg3 draw
17 Rh3 draw
18 Kd5 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Kf5 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Ra8 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rd3 loss in 2 half-moves