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 Rh1 draw
17 Kd4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh2 loss in 2 half-moves
23 Rh3 loss in 2 half-moves
24 Rh4 loss in 2 half-moves
25 Rh5 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh7 loss in 2 half-moves