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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Ra2 win in 3 half-moves
3 Ra5 win in 3 half-moves
4 K3b3 win in 7 half-moves
5 K3b4 win in 7 half-moves
6 K4b3 win in 7 half-moves
7 K4b4 win in 7 half-moves
8 Kb2 win in 7 half-moves
9 K3d3 draw
10 K3d4 draw
11 K4d3 draw
12 K4d4 draw
13 Kc2 draw
14 Kd2 draw
15 Ra1 draw
16 Ra3 draw
17 Ra4 draw
18 Rb6 draw
19 Rg6 draw
20 Kc5 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Ra7 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rc6 loss in 2 half-moves
25 Rd6 loss in 2 half-moves
26 Re6 loss in 2 half-moves
27 Rf6 loss in 2 half-moves
28 Rh6 loss in 2 half-moves