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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kd1 draw
6 Kd2 draw
7 Ke1 draw
8 Kf1 draw
9 Kf2 draw
10 Ra8 draw
11 Rc8 draw
12 Rd8 draw
13 Rh1 draw
14 Rh2 draw
15 Rh3 draw
16 Rh4 draw
17 Kd3 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Kf3 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh5 loss in 2 half-moves
24 Rh6 loss in 2 half-moves
25 Rh7 loss in 2 half-moves