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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Ra3 draw
3 Ra4 draw
4 Ra5 draw
5 Rg7 draw
6 Rh7 draw
7 Ka1 loss in 2 half-moves
8 Ka3 loss in 2 half-moves
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Kf4 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Rd7 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Rf7 loss in 2 half-moves