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 Re7 draw
3 Rf7 draw
4 Rg7 draw
5 Ka1 loss in 2 half-moves
6 Ka3 loss in 2 half-moves
7 Kab1 loss in 2 half-moves
8 Kab2 loss in 2 half-moves
9 Kab3 loss in 2 half-moves
10 Kc1 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kcb1 loss in 2 half-moves
13 Kcb2 loss in 2 half-moves
14 Kcb3 loss in 2 half-moves
15 Kd1 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Rd7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves