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

EGTB: win in 6 half-moves

# move score
1 Ra8 win in 5 half-moves
2 K3a3 draw
3 K3a4 draw
4 K4a3 draw
5 K4a4 draw
6 Ka2 draw
7 Ka5 draw
8 Kb5 draw
9 Rb8 draw
10 Rg1 draw
11 Rg5 draw
12 Rg6 draw
13 Rg7 draw
14 Rh8 draw
15 K3c3 loss in 2 half-moves
16 K3c4 loss in 2 half-moves
17 K4c3 loss in 2 half-moves
18 K4c4 loss in 2 half-moves
19 Kb2 loss in 2 half-moves
20 Kc2 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg3 loss in 2 half-moves
28 Rg4 loss in 2 half-moves