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

EGTB: win in 10 half-moves

# move score
1 Ra8 win in 9 half-moves
2 K2a3 draw
3 K2b3 draw
4 K4a3 draw
5 K4b3 draw
6 Ka1 draw
7 Ka2 draw
8 Ka4 draw
9 Ka5 draw
10 Kb1 draw
11 Kb5 draw
12 Rb8 draw
13 Rg8 draw
14 Rh1 draw
15 Rh5 draw
16 Rh6 draw
17 Rh7 draw
18 K2c3 loss in 2 half-moves
19 K4c3 loss in 2 half-moves
20 Kc1 loss in 2 half-moves
21 Kc2 loss in 2 half-moves
22 Kc4 loss in 2 half-moves
23 Kc5 loss in 2 half-moves
24 Rc8 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 Rh2 loss in 2 half-moves
29 Rh3 loss in 2 half-moves
30 Rh4 loss in 2 half-moves