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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb4 draw
6 Kb7 draw
7 Kbb6 draw
8 Kc7 draw
9 Kcb6 draw
10 Kd6 draw
11 Kd7 draw
12 Rb8 draw
13 Rc8 draw
14 Rg1 draw
15 Rg5 draw
16 Rg6 draw
17 Rg7 draw
18 Rh8 draw
19 Kbc5 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kcc5 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg3 loss in 2 half-moves
28 Rg4 loss in 2 half-moves