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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Ra1 draw
4 Rf1 draw
5 Rg1 draw
6 Rh1 draw
7 K8b7 loss in 2 half-moves
8 K7b7 loss in 1 half-moves
9 K7b8 loss in 1 half-moves
10 K8b8 loss in 1 half-moves
11 Rb2 loss in 1 half-moves
12 Rb3 loss in 1 half-moves
13 Rb4 loss in 1 half-moves
14 Rb5 loss in 1 half-moves
15 Rb6 loss in 1 half-moves
16 Rb7 loss in 1 half-moves
17 Rb8 loss in 1 half-moves
18 Rc1 loss in 1 half-moves
19 Rd1 loss in 1 half-moves
20 Re1 loss in 1 half-moves