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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 K3b3 win in 5 half-moves
3 K4b3 win in 5 half-moves
4 K4b4 win in 5 half-moves
5 Kb2 win in 5 half-moves
6 Kb5 win in 5 half-moves
7 Rb8 win in 5 half-moves
8 K3b4 win in 9 half-moves
9 Ra3 win in 11 half-moves
10 Kc2 draw
11 Kc5 draw
12 Kd2 draw
13 Ra1 draw
14 Ra4 draw
15 Ra7 draw
16 Rc8 draw
17 Rh8 draw
18 K3d3 loss in 2 half-moves
19 K3d4 loss in 2 half-moves
20 K4d3 loss in 2 half-moves
21 K4d4 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rg8 loss in 2 half-moves