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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kc5 draw
6 Kd5 draw
7 Kd7 draw
8 Ke5 draw
9 Ke6 draw
10 Ra7 draw
11 Rb5 draw
12 Rb6 draw
13 Re7 draw
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves
23 Kc6 loss in 1 half-moves
24 Kc7 loss in 1 half-moves
25 Ke7 loss in 1 half-moves