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 Kd5 win in 5 half-moves
3 Kb1 draw
4 Kb2 draw
5 Kb6 draw
6 Kb7 draw
7 Kc2 draw
8 Kc5 draw
9 Kc7 draw
10 Kd6 draw
11 Kd7 draw
12 Ra8 draw
13 Rc8 draw
14 Rd8 draw
15 Re3 draw
16 Re4 draw
17 Re5 draw
18 Re6 draw
19 Re7 draw
20 Kb5 loss in 2 half-moves
21 Kd1 loss in 2 half-moves
22 Kd2 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Re2 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves