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

EGTB: win in 2 half-moves

# move score
1 Kb8 win in 1 half-moves
2 Kc8 win in 1 half-moves
3 Kd8 win in 1 half-moves
4 Rf1 draw
5 K6b6 loss in 2 half-moves
6 K6b7 loss in 2 half-moves
7 K6d6 loss in 2 half-moves
8 K6d7 loss in 2 half-moves
9 K7b6 loss in 2 half-moves
10 K7b7 loss in 2 half-moves
11 K7d6 loss in 2 half-moves
12 K7d7 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Rd1 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves