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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Ka3 draw
3 Ka5 draw
4 Kab3 draw
5 Kab4 draw
6 Kab5 draw
7 Kc3 draw
8 Kc5 draw
9 Kcb3 draw
10 Kcb4 draw
11 Kcb5 draw
12 Kd3 draw
13 Ra8 draw
14 Rb8 draw
15 Rc8 draw
16 Re1 draw
17 Re2 draw
18 Re3 draw
19 Re7 draw
20 Kd4 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Re6 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