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 Ka5 draw
3 Ka6 draw
4 Ka7 draw
5 Kbb5 draw
6 Kbb7 draw
7 Kbc7 draw
8 Kcb5 draw
9 Kcb7 draw
10 Kcc7 draw
11 Kd6 draw
12 Kd7 draw
13 Rb8 draw
14 Rc8 draw
15 Rg1 draw
16 Rg5 draw
17 Rg6 draw
18 Rg7 draw
19 Rh8 draw
20 Kbc5 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