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 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb4 draw
6 Kb6 draw
7 Kc4 draw
8 Kc5 draw
9 Kc6 draw
10 Kd1 draw
11 Kd2 draw
12 Kd3 draw
13 Ke1 draw
14 Kf1 draw
15 Kf2 draw
16 Ra7 draw
17 Rc7 draw
18 Rd7 draw
19 Re7 draw
20 Ke3 loss in 2 half-moves
21 Kf3 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves