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 Ka5 win in 5 half-moves
3 Ka1 draw
4 Ka2 draw
5 Ka3 draw
6 Ka7 draw
7 Kb1 draw
8 Kb6 draw
9 Kb7 draw
10 Kc1 draw
11 Kc2 draw
12 Kc3 draw
13 Ra8 draw
14 Rc8 draw
15 Rd8 draw
16 Re3 draw
17 Re4 draw
18 Re5 draw
19 Re6 draw
20 Re7 draw
21 Kb3 loss in 2 half-moves
22 Kb5 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