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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Ka6 draw
6 Ka7 draw
7 Ka8 draw
8 Kb3 draw
9 Kb5 draw
10 Kb6 draw
11 Kb8 draw
12 Kc3 draw
13 Rb8 draw
14 Rg2 draw
15 Rh8 draw
16 Kc4 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kc7 loss in 2 half-moves
20 Kc8 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg4 loss in 2 half-moves
28 Rg5 loss in 2 half-moves
29 Rg6 loss in 2 half-moves
30 Rg7 loss in 2 half-moves