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 Rb8 draw
3 Rc8 draw
4 Rd8 draw
5 Re8 draw
6 Rf8 draw
7 Rg3 draw
8 Rg4 draw
9 Rg5 draw
10 Rg6 draw
11 Ka4 loss in 2 half-moves
12 Ka5 loss in 2 half-moves
13 Ka6 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kbc4 loss in 2 half-moves
17 Kbc5 loss in 2 half-moves
18 Kbc6 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Kdc4 loss in 2 half-moves
22 Kdc5 loss in 2 half-moves
23 Kdc6 loss in 2 half-moves
24 Ke4 loss in 2 half-moves
25 Ke5 loss in 2 half-moves
26 Ke6 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rg2 loss in 2 half-moves
29 Rg7 loss in 2 half-moves
30 Rh8 loss in 2 half-moves