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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rf8 draw
3 K2a3 loss in 2 half-moves
4 K2b3 loss in 2 half-moves
5 K2c3 loss in 2 half-moves
6 K4a3 loss in 2 half-moves
7 K4b3 loss in 2 half-moves
8 K4c3 loss in 2 half-moves
9 Ka1 loss in 2 half-moves
10 Ka2 loss in 2 half-moves
11 Ka4 loss in 2 half-moves
12 Ka5 loss in 2 half-moves
13 Kb1 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh8 loss in 2 half-moves