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 Ra8 draw
3 Rc8 draw
4 Re1 draw
5 Re5 draw
6 Re6 draw
7 Re7 draw
8 Rh8 draw
9 Ka2 loss in 2 half-moves
10 Ka4 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kb7 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kc7 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves