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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kc6 win in 5 half-moves
3 K3a4 draw
4 K5a4 draw
5 Ra3 draw
6 Ra4 draw
7 Ra5 draw
8 Re6 draw
9 Rf6 draw
10 Rg6 draw
11 Ka2 loss in 2 half-moves
12 Ka3 loss in 2 half-moves
13 Ka5 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rc6 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Rh6 loss in 2 half-moves
26 K3b4 loss in 1 half-moves
27 K3c4 loss in 1 half-moves
28 K5b4 loss in 1 half-moves
29 K5c4 loss in 1 half-moves