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